修改后台权限

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/elicitationUrlExample.d.ts

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+export {};
+//# sourceMappingURL=elicitationUrlExample.d.ts.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/elicitationUrlExample.d.ts.map

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+{"version":3,"file":"elicitationUrlExample.d.ts","sourceRoot":"","sources":["../../../../src/examples/client/elicitationUrlExample.ts"],"names":[],"mappings":""}

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/elicitationUrlExample.js

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+// Run with: npx tsx src/examples/client/elicitationUrlExample.ts
+//
+// This example demonstrates how to use URL elicitation to securely
+// collect user input in a remote (HTTP) server.
+// URL elicitation allows servers to prompt the end-user to open a URL in their browser
+// to collect sensitive information.
+import { Client } from '../../client/index.js';
+import { StreamableHTTPClientTransport } from '../../client/streamableHttp.js';
+import { createInterface } from 'node:readline';
+import { ListToolsResultSchema, CallToolResultSchema, ElicitRequestSchema, McpError, ErrorCode, UrlElicitationRequiredError, ElicitationCompleteNotificationSchema } from '../../types.js';
+import { getDisplayName } from '../../shared/metadataUtils.js';
+import { InMemoryOAuthClientProvider } from './simpleOAuthClientProvider.js';
+import { UnauthorizedError } from '../../client/auth.js';
+import { createServer } from 'node:http';
+// Set up OAuth (required for this example)
+const OAUTH_CALLBACK_PORT = 8090; // Use different port than auth server (3001)
+const OAUTH_CALLBACK_URL = `http://localhost:${OAUTH_CALLBACK_PORT}/callback`;
+let oauthProvider = undefined;
+console.log('Getting OAuth token...');
+const clientMetadata = {
+    client_name: 'Elicitation MCP Client',
+    redirect_uris: [OAUTH_CALLBACK_URL],
+    grant_types: ['authorization_code', 'refresh_token'],
+    response_types: ['code'],
+    token_endpoint_auth_method: 'client_secret_post',
+    scope: 'mcp:tools'
+};
+oauthProvider = new InMemoryOAuthClientProvider(OAUTH_CALLBACK_URL, clientMetadata, (redirectUrl) => {
+    console.log(`\n🔗 Please open this URL in your browser to authorize:\n  ${redirectUrl.toString()}`);
+});
+// Create readline interface for user input
+const readline = createInterface({
+    input: process.stdin,
+    output: process.stdout
+});
+let abortCommand = new AbortController();
+// Global client and transport for interactive commands
+let client = null;
+let transport = null;
+let serverUrl = 'http://localhost:3000/mcp';
+let sessionId = undefined;
+let isProcessingCommand = false;
+let isProcessingElicitations = false;
+const elicitationQueue = [];
+let elicitationQueueSignal = null;
+let elicitationsCompleteSignal = null;
+// Map to track pending URL elicitations waiting for completion notifications
+const pendingURLElicitations = new Map();
+async function main() {
+    console.log('MCP Interactive Client');
+    console.log('=====================');
+    // Connect to server immediately with default settings
+    await connect();
+    // Start the elicitation loop in the background
+    elicitationLoop().catch(error => {
+        console.error('Unexpected error in elicitation loop:', error);
+        process.exit(1);
+    });
+    // Short delay allowing the server to send any SSE elicitations on connection
+    await new Promise(resolve => setTimeout(resolve, 200));
+    // Wait until we are done processing any initial elicitations
+    await waitForElicitationsToComplete();
+    // Print help and start the command loop
+    printHelp();
+    await commandLoop();
+}
+async function waitForElicitationsToComplete() {
+    // Wait until the queue is empty and nothing is being processed
+    while (elicitationQueue.length > 0 || isProcessingElicitations) {
+        await new Promise(resolve => setTimeout(resolve, 100));
+    }
+}
+function printHelp() {
+    console.log('\nAvailable commands:');
+    console.log('  connect [url]              - Connect to MCP server (default: http://localhost:3000/mcp)');
+    console.log('  disconnect                 - Disconnect from server');
+    console.log('  terminate-session          - Terminate the current session');
+    console.log('  reconnect                  - Reconnect to the server');
+    console.log('  list-tools                 - List available tools');
+    console.log('  call-tool <name> [args]    - Call a tool with optional JSON arguments');
+    console.log('  payment-confirm            - Test URL elicitation via error response with payment-confirm tool');
+    console.log('  third-party-auth           - Test tool that requires third-party OAuth credentials');
+    console.log('  help                       - Show this help');
+    console.log('  quit                       - Exit the program');
+}
+async function commandLoop() {
+    await new Promise(resolve => {
+        if (!isProcessingElicitations) {
+            resolve();
+        }
+        else {
+            elicitationsCompleteSignal = resolve;
+        }
+    });
+    readline.question('\n> ', { signal: abortCommand.signal }, async (input) => {
+        isProcessingCommand = true;
+        const args = input.trim().split(/\s+/);
+        const command = args[0]?.toLowerCase();
+        try {
+            switch (command) {
+                case 'connect':
+                    await connect(args[1]);
+                    break;
+                case 'disconnect':
+                    await disconnect();
+                    break;
+                case 'terminate-session':
+                    await terminateSession();
+                    break;
+                case 'reconnect':
+                    await reconnect();
+                    break;
+                case 'list-tools':
+                    await listTools();
+                    break;
+                case 'call-tool':
+                    if (args.length < 2) {
+                        console.log('Usage: call-tool <name> [args]');
+                    }
+                    else {
+                        const toolName = args[1];
+                        let toolArgs = {};
+                        if (args.length > 2) {
+                            try {
+                                toolArgs = JSON.parse(args.slice(2).join(' '));
+                            }
+                            catch {
+                                console.log('Invalid JSON arguments. Using empty args.');
+                            }
+                        }
+                        await callTool(toolName, toolArgs);
+                    }
+                    break;
+                case 'payment-confirm':
+                    await callPaymentConfirmTool();
+                    break;
+                case 'third-party-auth':
+                    await callThirdPartyAuthTool();
+                    break;
+                case 'help':
+                    printHelp();
+                    break;
+                case 'quit':
+                case 'exit':
+                    await cleanup();
+                    return;
+                default:
+                    if (command) {
+                        console.log(`Unknown command: ${command}`);
+                    }
+                    break;
+            }
+        }
+        catch (error) {
+            console.error(`Error executing command: ${error}`);
+        }
+        finally {
+            isProcessingCommand = false;
+        }
+        // Process another command after we've processed the this one
+        await commandLoop();
+    });
+}
+async function elicitationLoop() {
+    while (true) {
+        // Wait until we have elicitations to process
+        await new Promise(resolve => {
+            if (elicitationQueue.length > 0) {
+                resolve();
+            }
+            else {
+                elicitationQueueSignal = resolve;
+            }
+        });
+        isProcessingElicitations = true;
+        abortCommand.abort(); // Abort the command loop if it's running
+        // Process all queued elicitations
+        while (elicitationQueue.length > 0) {
+            const queued = elicitationQueue.shift();
+            console.log(`📤 Processing queued elicitation (${elicitationQueue.length} remaining)`);
+            try {
+                const result = await handleElicitationRequest(queued.request);
+                queued.resolve(result);
+            }
+            catch (error) {
+                queued.reject(error instanceof Error ? error : new Error(String(error)));
+            }
+        }
+        console.log('✅ All queued elicitations processed. Resuming command loop...\n');
+        isProcessingElicitations = false;
+        // Reset the abort controller for the next command loop
+        abortCommand = new AbortController();
+        // Resume the command loop
+        if (elicitationsCompleteSignal) {
+            elicitationsCompleteSignal();
+            elicitationsCompleteSignal = null;
+        }
+    }
+}
+/**
+ * Enqueues an elicitation request and returns the result.
+ *
+ * This function is used so that our CLI (which can only handle one input request at a time)
+ * can handle elicitation requests and the command loop.
+ *
+ * @param request - The elicitation request to be handled
+ * @returns The elicitation result
+ */
+async function elicitationRequestHandler(request) {
+    // If we are processing a command, handle this elicitation immediately
+    if (isProcessingCommand) {
+        console.log('📋 Processing elicitation immediately (during command execution)');
+        return await handleElicitationRequest(request);
+    }
+    // Otherwise, queue the request to be handled by the elicitation loop
+    console.log(`📥 Queueing elicitation request (queue size will be: ${elicitationQueue.length + 1})`);
+    return new Promise((resolve, reject) => {
+        elicitationQueue.push({
+            request,
+            resolve,
+            reject
+        });
+        // Signal the elicitation loop that there's work to do
+        if (elicitationQueueSignal) {
+            elicitationQueueSignal();
+            elicitationQueueSignal = null;
+        }
+    });
+}
+/**
+ * Handles an elicitation request.
+ *
+ * This function is used to handle the elicitation request and return the result.
+ *
+ * @param request - The elicitation request to be handled
+ * @returns The elicitation result
+ */
+async function handleElicitationRequest(request) {
+    const mode = request.params.mode;
+    console.log('\n🔔 Elicitation Request Received:');
+    console.log(`Mode: ${mode}`);
+    if (mode === 'url') {
+        return {
+            action: await handleURLElicitation(request.params)
+        };
+    }
+    else {
+        // Should not happen because the client declares its capabilities to the server,
+        // but being defensive is a good practice:
+        throw new McpError(ErrorCode.InvalidParams, `Unsupported elicitation mode: ${mode}`);
+    }
+}
+/**
+ * Handles a URL elicitation by opening the URL in the browser.
+ *
+ * Note: This is a shared code for both request handlers and error handlers.
+ * As a result of sharing schema, there is no big forking of logic for the client.
+ *
+ * @param params - The URL elicitation request parameters
+ * @returns The action to take (accept, cancel, or decline)
+ */
+async function handleURLElicitation(params) {
+    const url = params.url;
+    const elicitationId = params.elicitationId;
+    const message = params.message;
+    console.log(`🆔 Elicitation ID: ${elicitationId}`); // Print for illustration
+    // Parse URL to show domain for security
+    let domain = 'unknown domain';
+    try {
+        const parsedUrl = new URL(url);
+        domain = parsedUrl.hostname;
+    }
+    catch {
+        console.error('Invalid URL provided by server');
+        return 'decline';
+    }
+    // Example security warning to help prevent phishing attacks
+    console.log('\n⚠️  \x1b[33mSECURITY WARNING\x1b[0m ⚠️');
+    console.log('\x1b[33mThe server is requesting you to open an external URL.\x1b[0m');
+    console.log('\x1b[33mOnly proceed if you trust this server and understand why it needs this.\x1b[0m\n');
+    console.log(`🌐 Target domain: \x1b[36m${domain}\x1b[0m`);
+    console.log(`🔗 Full URL: \x1b[36m${url}\x1b[0m`);
+    console.log(`\nℹ️ Server's reason:\n\n\x1b[36m${message}\x1b[0m\n`);
+    // 1. Ask for user consent to open the URL
+    const consent = await new Promise(resolve => {
+        readline.question('\nDo you want to open this URL in your browser? (y/n): ', input => {
+            resolve(input.trim().toLowerCase());
+        });
+    });
+    // 2. If user did not consent, return appropriate result
+    if (consent === 'no' || consent === 'n') {
+        console.log('❌ URL navigation declined.');
+        return 'decline';
+    }
+    else if (consent !== 'yes' && consent !== 'y') {
+        console.log('🚫 Invalid response. Cancelling elicitation.');
+        return 'cancel';
+    }
+    // 3. Wait for completion notification in the background
+    const completionPromise = new Promise((resolve, reject) => {
+        const timeout = setTimeout(() => {
+            pendingURLElicitations.delete(elicitationId);
+            console.log(`\x1b[31m❌ Elicitation ${elicitationId} timed out waiting for completion.\x1b[0m`);
+            reject(new Error('Elicitation completion timeout'));
+        }, 5 * 60 * 1000); // 5 minute timeout
+        pendingURLElicitations.set(elicitationId, {
+            resolve: () => {
+                clearTimeout(timeout);
+                resolve();
+            },
+            reject,
+            timeout
+        });
+    });
+    completionPromise.catch(error => {
+        console.error('Background completion wait failed:', error);
+    });
+    // 4. Direct user to open the URL in their browser
+    console.log(`\n🔗 Please open this URL in your browser:\n  ${url}`);
+    console.log('\n⏳ Waiting for you to complete the interaction in your browser...');
+    console.log('   The server will send a notification once you complete the action.');
+    // 5. Acknowledge the user accepted the elicitation
+    return 'accept';
+}
+/**
+ * Example OAuth callback handler - in production, use a more robust approach
+ * for handling callbacks and storing tokens
+ */
+/**
+ * Starts a temporary HTTP server to receive the OAuth callback
+ */
+async function waitForOAuthCallback() {
+    return new Promise((resolve, reject) => {
+        const server = createServer((req, res) => {
+            // Ignore favicon requests
+            if (req.url === '/favicon.ico') {
+                res.writeHead(404);
+                res.end();
+                return;
+            }
+            console.log(`📥 Received callback: ${req.url}`);
+            const parsedUrl = new URL(req.url || '', 'http://localhost');
+            const code = parsedUrl.searchParams.get('code');
+            const error = parsedUrl.searchParams.get('error');
+            if (code) {
+                console.log(`✅ Authorization code received: ${code?.substring(0, 10)}...`);
+                res.writeHead(200, { 'Content-Type': 'text/html' });
+                res.end(`
+          <html>
+            <body>
+              <h1>Authorization Successful!</h1>
+              <p>This simulates successful authorization of the MCP client, which now has an access token for the MCP server.</p>
+              <p>This window will close automatically in 10 seconds.</p>
+              <script>setTimeout(() => window.close(), 10000);</script>
+            </body>
+          </html>
+        `);
+                resolve(code);
+                setTimeout(() => server.close(), 15000);
+            }
+            else if (error) {
+                console.log(`❌ Authorization error: ${error}`);
+                res.writeHead(400, { 'Content-Type': 'text/html' });
+                res.end(`
+          <html>
+            <body>
+              <h1>Authorization Failed</h1>
+              <p>Error: ${error}</p>
+            </body>
+          </html>
+        `);
+                reject(new Error(`OAuth authorization failed: ${error}`));
+            }
+            else {
+                console.log(`❌ No authorization code or error in callback`);
+                res.writeHead(400);
+                res.end('Bad request');
+                reject(new Error('No authorization code provided'));
+            }
+        });
+        server.listen(OAUTH_CALLBACK_PORT, () => {
+            console.log(`OAuth callback server started on http://localhost:${OAUTH_CALLBACK_PORT}`);
+        });
+    });
+}
+/**
+ * Attempts to connect to the MCP server with OAuth authentication.
+ * Handles OAuth flow recursively if authorization is required.
+ */
+async function attemptConnection(oauthProvider) {
+    console.log('🚢 Creating transport with OAuth provider...');
+    const baseUrl = new URL(serverUrl);
+    transport = new StreamableHTTPClientTransport(baseUrl, {
+        sessionId: sessionId,
+        authProvider: oauthProvider
+    });
+    console.log('🚢 Transport created');
+    try {
+        console.log('🔌 Attempting connection (this will trigger OAuth redirect if needed)...');
+        await client.connect(transport);
+        sessionId = transport.sessionId;
+        console.log('Transport created with session ID:', sessionId);
+        console.log('✅ Connected successfully');
+    }
+    catch (error) {
+        if (error instanceof UnauthorizedError) {
+            console.log('🔐 OAuth required - waiting for authorization...');
+            const callbackPromise = waitForOAuthCallback();
+            const authCode = await callbackPromise;
+            await transport.finishAuth(authCode);
+            console.log('🔐 Authorization code received:', authCode);
+            console.log('🔌 Reconnecting with authenticated transport...');
+            // Recursively retry connection after OAuth completion
+            await attemptConnection(oauthProvider);
+        }
+        else {
+            console.error('❌ Connection failed with non-auth error:', error);
+            throw error;
+        }
+    }
+}
+async function connect(url) {
+    if (client) {
+        console.log('Already connected. Disconnect first.');
+        return;
+    }
+    if (url) {
+        serverUrl = url;
+    }
+    console.log(`🔗 Attempting to connect to ${serverUrl}...`);
+    // Create a new client with elicitation capability
+    console.log('👤 Creating MCP client...');
+    client = new Client({
+        name: 'example-client',
+        version: '1.0.0'
+    }, {
+        capabilities: {
+            elicitation: {
+                // Only URL elicitation is supported in this demo
+                // (see server/elicitationExample.ts for a demo of form mode elicitation)
+                url: {}
+            }
+        }
+    });
+    console.log('👤 Client created');
+    // Set up elicitation request handler with proper validation
+    client.setRequestHandler(ElicitRequestSchema, elicitationRequestHandler);
+    // Set up notification handler for elicitation completion
+    client.setNotificationHandler(ElicitationCompleteNotificationSchema, notification => {
+        const { elicitationId } = notification.params;
+        const pending = pendingURLElicitations.get(elicitationId);
+        if (pending) {
+            clearTimeout(pending.timeout);
+            pendingURLElicitations.delete(elicitationId);
+            console.log(`\x1b[32m✅ Elicitation ${elicitationId} completed!\x1b[0m`);
+            pending.resolve();
+        }
+        else {
+            // Shouldn't happen - discard it!
+            console.warn(`Received completion notification for unknown elicitation: ${elicitationId}`);
+        }
+    });
+    try {
+        console.log('🔐 Starting OAuth flow...');
+        await attemptConnection(oauthProvider);
+        console.log('Connected to MCP server');
+        // Set up error handler after connection is established so we don't double log errors
+        client.onerror = error => {
+            console.error('\x1b[31mClient error:', error, '\x1b[0m');
+        };
+    }
+    catch (error) {
+        console.error('Failed to connect:', error);
+        client = null;
+        transport = null;
+        return;
+    }
+}
+async function disconnect() {
+    if (!client || !transport) {
+        console.log('Not connected.');
+        return;
+    }
+    try {
+        await transport.close();
+        console.log('Disconnected from MCP server');
+        client = null;
+        transport = null;
+    }
+    catch (error) {
+        console.error('Error disconnecting:', error);
+    }
+}
+async function terminateSession() {
+    if (!client || !transport) {
+        console.log('Not connected.');
+        return;
+    }
+    try {
+        console.log('Terminating session with ID:', transport.sessionId);
+        await transport.terminateSession();
+        console.log('Session terminated successfully');
+        // Check if sessionId was cleared after termination
+        if (!transport.sessionId) {
+            console.log('Session ID has been cleared');
+            sessionId = undefined;
+            // Also close the transport and clear client objects
+            await transport.close();
+            console.log('Transport closed after session termination');
+            client = null;
+            transport = null;
+        }
+        else {
+            console.log('Server responded with 405 Method Not Allowed (session termination not supported)');
+            console.log('Session ID is still active:', transport.sessionId);
+        }
+    }
+    catch (error) {
+        console.error('Error terminating session:', error);
+    }
+}
+async function reconnect() {
+    if (client) {
+        await disconnect();
+    }
+    await connect();
+}
+async function listTools() {
+    if (!client) {
+        console.log('Not connected to server.');
+        return;
+    }
+    try {
+        const toolsRequest = {
+            method: 'tools/list',
+            params: {}
+        };
+        const toolsResult = await client.request(toolsRequest, ListToolsResultSchema);
+        console.log('Available tools:');
+        if (toolsResult.tools.length === 0) {
+            console.log('  No tools available');
+        }
+        else {
+            for (const tool of toolsResult.tools) {
+                console.log(`  - id: ${tool.name}, name: ${getDisplayName(tool)}, description: ${tool.description}`);
+            }
+        }
+    }
+    catch (error) {
+        console.log(`Tools not supported by this server (${error})`);
+    }
+}
+async function callTool(name, args) {
+    if (!client) {
+        console.log('Not connected to server.');
+        return;
+    }
+    try {
+        const request = {
+            method: 'tools/call',
+            params: {
+                name,
+                arguments: args
+            }
+        };
+        console.log(`Calling tool '${name}' with args:`, args);
+        const result = await client.request(request, CallToolResultSchema);
+        console.log('Tool result:');
+        const resourceLinks = [];
+        result.content.forEach(item => {
+            if (item.type === 'text') {
+                console.log(`  ${item.text}`);
+            }
+            else if (item.type === 'resource_link') {
+                const resourceLink = item;
+                resourceLinks.push(resourceLink);
+                console.log(`  📁 Resource Link: ${resourceLink.name}`);
+                console.log(`     URI: ${resourceLink.uri}`);
+                if (resourceLink.mimeType) {
+                    console.log(`     Type: ${resourceLink.mimeType}`);
+                }
+                if (resourceLink.description) {
+                    console.log(`     Description: ${resourceLink.description}`);
+                }
+            }
+            else if (item.type === 'resource') {
+                console.log(`  [Embedded Resource: ${item.resource.uri}]`);
+            }
+            else if (item.type === 'image') {
+                console.log(`  [Image: ${item.mimeType}]`);
+            }
+            else if (item.type === 'audio') {
+                console.log(`  [Audio: ${item.mimeType}]`);
+            }
+            else {
+                console.log(`  [Unknown content type]:`, item);
+            }
+        });
+        // Offer to read resource links
+        if (resourceLinks.length > 0) {
+            console.log(`\nFound ${resourceLinks.length} resource link(s). Use 'read-resource <uri>' to read their content.`);
+        }
+    }
+    catch (error) {
+        if (error instanceof UrlElicitationRequiredError) {
+            console.log('\n🔔 Elicitation Required Error Received:');
+            console.log(`Message: ${error.message}`);
+            for (const e of error.elicitations) {
+                await handleURLElicitation(e); // For the error handler, we discard the action result because we don't respond to an error response
+            }
+            return;
+        }
+        console.log(`Error calling tool ${name}: ${error}`);
+    }
+}
+async function cleanup() {
+    if (client && transport) {
+        try {
+            // First try to terminate the session gracefully
+            if (transport.sessionId) {
+                try {
+                    console.log('Terminating session before exit...');
+                    await transport.terminateSession();
+                    console.log('Session terminated successfully');
+                }
+                catch (error) {
+                    console.error('Error terminating session:', error);
+                }
+            }
+            // Then close the transport
+            await transport.close();
+        }
+        catch (error) {
+            console.error('Error closing transport:', error);
+        }
+    }
+    process.stdin.setRawMode(false);
+    readline.close();
+    console.log('\nGoodbye!');
+    process.exit(0);
+}
+async function callPaymentConfirmTool() {
+    console.log('Calling payment-confirm tool...');
+    await callTool('payment-confirm', { cartId: 'cart_123' });
+}
+async function callThirdPartyAuthTool() {
+    console.log('Calling third-party-auth tool...');
+    await callTool('third-party-auth', { param1: 'test' });
+}
+// Set up raw mode for keyboard input to capture Escape key
+process.stdin.setRawMode(true);
+process.stdin.on('data', async (data) => {
+    // Check for Escape key (27)
+    if (data.length === 1 && data[0] === 27) {
+        console.log('\nESC key pressed. Disconnecting from server...');
+        // Abort current operation and disconnect from server
+        if (client && transport) {
+            await disconnect();
+            console.log('Disconnected. Press Enter to continue.');
+        }
+        else {
+            console.log('Not connected to server.');
+        }
+        // Re-display the prompt
+        process.stdout.write('> ');
+    }
+});
+// Handle Ctrl+C
+process.on('SIGINT', async () => {
+    console.log('\nReceived SIGINT. Cleaning up...');
+    await cleanup();
+});
+// Start the interactive client
+main().catch((error) => {
+    console.error('Error running MCP client:', error);
+    process.exit(1);
+});
+//# sourceMappingURL=elicitationUrlExample.js.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/multipleClientsParallel.d.ts

@@ -0,0 +1,2 @@
+export {};
+//# sourceMappingURL=multipleClientsParallel.d.ts.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/multipleClientsParallel.d.ts.map

@@ -0,0 +1 @@
+{"version":3,"file":"multipleClientsParallel.d.ts","sourceRoot":"","sources":["../../../../src/examples/client/multipleClientsParallel.ts"],"names":[],"mappings":""}

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/multipleClientsParallel.js

@@ -0,0 +1,132 @@
+import { Client } from '../../client/index.js';
+import { StreamableHTTPClientTransport } from '../../client/streamableHttp.js';
+import { CallToolResultSchema, LoggingMessageNotificationSchema } from '../../types.js';
+/**
+ * Multiple Clients MCP Example
+ *
+ * This client demonstrates how to:
+ * 1. Create multiple MCP clients in parallel
+ * 2. Each client calls a single tool
+ * 3. Track notifications from each client independently
+ */
+// Command line args processing
+const args = process.argv.slice(2);
+const serverUrl = args[0] || 'http://localhost:3000/mcp';
+async function createAndRunClient(config) {
+    console.log(`[${config.id}] Creating client: ${config.name}`);
+    const client = new Client({
+        name: config.name,
+        version: '1.0.0'
+    });
+    const transport = new StreamableHTTPClientTransport(new URL(serverUrl));
+    // Set up client-specific error handler
+    client.onerror = error => {
+        console.error(`[${config.id}] Client error:`, error);
+    };
+    // Set up client-specific notification handler
+    client.setNotificationHandler(LoggingMessageNotificationSchema, notification => {
+        console.log(`[${config.id}] Notification: ${notification.params.data}`);
+    });
+    try {
+        // Connect to the server
+        await client.connect(transport);
+        console.log(`[${config.id}] Connected to MCP server`);
+        // Call the specified tool
+        console.log(`[${config.id}] Calling tool: ${config.toolName}`);
+        const toolRequest = {
+            method: 'tools/call',
+            params: {
+                name: config.toolName,
+                arguments: {
+                    ...config.toolArguments,
+                    // Add client ID to arguments for identification in notifications
+                    caller: config.id
+                }
+            }
+        };
+        const result = await client.request(toolRequest, CallToolResultSchema);
+        console.log(`[${config.id}] Tool call completed`);
+        // Keep the connection open for a bit to receive notifications
+        await new Promise(resolve => setTimeout(resolve, 5000));
+        // Disconnect
+        await transport.close();
+        console.log(`[${config.id}] Disconnected from MCP server`);
+        return { id: config.id, result };
+    }
+    catch (error) {
+        console.error(`[${config.id}] Error:`, error);
+        throw error;
+    }
+}
+async function main() {
+    console.log('MCP Multiple Clients Example');
+    console.log('============================');
+    console.log(`Server URL: ${serverUrl}`);
+    console.log('');
+    try {
+        // Define client configurations
+        const clientConfigs = [
+            {
+                id: 'client1',
+                name: 'basic-client-1',
+                toolName: 'start-notification-stream',
+                toolArguments: {
+                    interval: 3, // 1 second between notifications
+                    count: 5 // Send 5 notifications
+                }
+            },
+            {
+                id: 'client2',
+                name: 'basic-client-2',
+                toolName: 'start-notification-stream',
+                toolArguments: {
+                    interval: 2, // 2 seconds between notifications
+                    count: 3 // Send 3 notifications
+                }
+            },
+            {
+                id: 'client3',
+                name: 'basic-client-3',
+                toolName: 'start-notification-stream',
+                toolArguments: {
+                    interval: 1, // 0.5 second between notifications
+                    count: 8 // Send 8 notifications
+                }
+            }
+        ];
+        // Start all clients in parallel
+        console.log(`Starting ${clientConfigs.length} clients in parallel...`);
+        console.log('');
+        const clientPromises = clientConfigs.map(config => createAndRunClient(config));
+        const results = await Promise.all(clientPromises);
+        // Display results from all clients
+        console.log('\n=== Final Results ===');
+        results.forEach(({ id, result }) => {
+            console.log(`\n[${id}] Tool result:`);
+            if (Array.isArray(result.content)) {
+                result.content.forEach((item) => {
+                    if (item.type === 'text' && item.text) {
+                        console.log(`  ${item.text}`);
+                    }
+                    else {
+                        console.log(`  ${item.type} content:`, item);
+                    }
+                });
+            }
+            else {
+                console.log(`  Unexpected result format:`, result);
+            }
+        });
+        console.log('\n=== All clients completed successfully ===');
+    }
+    catch (error) {
+        console.error('Error running multiple clients:', error);
+        process.exit(1);
+    }
+}
+// Start the example
+main().catch((error) => {
+    console.error('Error running MCP multiple clients example:', error);
+    process.exit(1);
+});
+//# sourceMappingURL=multipleClientsParallel.js.map

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node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/parallelToolCallsClient.d.ts

@@ -0,0 +1,2 @@
+export {};
+//# sourceMappingURL=parallelToolCallsClient.d.ts.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/parallelToolCallsClient.d.ts.map

@@ -0,0 +1 @@
+{"version":3,"file":"parallelToolCallsClient.d.ts","sourceRoot":"","sources":["../../../../src/examples/client/parallelToolCallsClient.ts"],"names":[],"mappings":""}

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/parallelToolCallsClient.js

@@ -0,0 +1,174 @@
+import { Client } from '../../client/index.js';
+import { StreamableHTTPClientTransport } from '../../client/streamableHttp.js';
+import { ListToolsResultSchema, CallToolResultSchema, LoggingMessageNotificationSchema } from '../../types.js';
+/**
+ * Parallel Tool Calls MCP Client
+ *
+ * This client demonstrates how to:
+ * 1. Start multiple tool calls in parallel
+ * 2. Track notifications from each tool call using a caller parameter
+ */
+// Command line args processing
+const args = process.argv.slice(2);
+const serverUrl = args[0] || 'http://localhost:3000/mcp';
+async function main() {
+    console.log('MCP Parallel Tool Calls Client');
+    console.log('==============================');
+    console.log(`Connecting to server at: ${serverUrl}`);
+    let client;
+    let transport;
+    try {
+        // Create client with streamable HTTP transport
+        client = new Client({
+            name: 'parallel-tool-calls-client',
+            version: '1.0.0'
+        });
+        client.onerror = error => {
+            console.error('Client error:', error);
+        };
+        // Connect to the server
+        transport = new StreamableHTTPClientTransport(new URL(serverUrl));
+        await client.connect(transport);
+        console.log('Successfully connected to MCP server');
+        // Set up notification handler with caller identification
+        client.setNotificationHandler(LoggingMessageNotificationSchema, notification => {
+            console.log(`Notification: ${notification.params.data}`);
+        });
+        console.log('List tools');
+        const toolsRequest = await listTools(client);
+        console.log('Tools: ', toolsRequest);
+        // 2. Start multiple notification tools in parallel
+        console.log('\n=== Starting Multiple Notification Streams in Parallel ===');
+        const toolResults = await startParallelNotificationTools(client);
+        // Log the results from each tool call
+        for (const [caller, result] of Object.entries(toolResults)) {
+            console.log(`\n=== Tool result for ${caller} ===`);
+            result.content.forEach((item) => {
+                if (item.type === 'text') {
+                    console.log(`  ${item.text}`);
+                }
+                else {
+                    console.log(`  ${item.type} content:`, item);
+                }
+            });
+        }
+        // 3. Wait for all notifications (10 seconds)
+        console.log('\n=== Waiting for all notifications ===');
+        await new Promise(resolve => setTimeout(resolve, 10000));
+        // 4. Disconnect
+        console.log('\n=== Disconnecting ===');
+        await transport.close();
+        console.log('Disconnected from MCP server');
+    }
+    catch (error) {
+        console.error('Error running client:', error);
+        process.exit(1);
+    }
+}
+/**
+ * List available tools on the server
+ */
+async function listTools(client) {
+    try {
+        const toolsRequest = {
+            method: 'tools/list',
+            params: {}
+        };
+        const toolsResult = await client.request(toolsRequest, ListToolsResultSchema);
+        console.log('Available tools:');
+        if (toolsResult.tools.length === 0) {
+            console.log('  No tools available');
+        }
+        else {
+            for (const tool of toolsResult.tools) {
+                console.log(`  - ${tool.name}: ${tool.description}`);
+            }
+        }
+    }
+    catch (error) {
+        console.log(`Tools not supported by this server: ${error}`);
+    }
+}
+/**
+ * Start multiple notification tools in parallel with different configurations
+ * Each tool call includes a caller parameter to identify its notifications
+ */
+async function startParallelNotificationTools(client) {
+    try {
+        // Define multiple tool calls with different configurations
+        const toolCalls = [
+            {
+                caller: 'fast-notifier',
+                request: {
+                    method: 'tools/call',
+                    params: {
+                        name: 'start-notification-stream',
+                        arguments: {
+                            interval: 2, // 0.5 second between notifications
+                            count: 10, // Send 10 notifications
+                            caller: 'fast-notifier' // Identify this tool call
+                        }
+                    }
+                }
+            },
+            {
+                caller: 'slow-notifier',
+                request: {
+                    method: 'tools/call',
+                    params: {
+                        name: 'start-notification-stream',
+                        arguments: {
+                            interval: 5, // 2 seconds between notifications
+                            count: 5, // Send 5 notifications
+                            caller: 'slow-notifier' // Identify this tool call
+                        }
+                    }
+                }
+            },
+            {
+                caller: 'burst-notifier',
+                request: {
+                    method: 'tools/call',
+                    params: {
+                        name: 'start-notification-stream',
+                        arguments: {
+                            interval: 1, // 0.1 second between notifications
+                            count: 3, // Send just 3 notifications
+                            caller: 'burst-notifier' // Identify this tool call
+                        }
+                    }
+                }
+            }
+        ];
+        console.log(`Starting ${toolCalls.length} notification tools in parallel...`);
+        // Start all tool calls in parallel
+        const toolPromises = toolCalls.map(({ caller, request }) => {
+            console.log(`Starting tool call for ${caller}...`);
+            return client
+                .request(request, CallToolResultSchema)
+                .then(result => ({ caller, result }))
+                .catch(error => {
+                console.error(`Error in tool call for ${caller}:`, error);
+                throw error;
+            });
+        });
+        // Wait for all tool calls to complete
+        const results = await Promise.all(toolPromises);
+        // Organize results by caller
+        const resultsByTool = {};
+        results.forEach(({ caller, result }) => {
+            resultsByTool[caller] = result;
+        });
+        return resultsByTool;
+    }
+    catch (error) {
+        console.error(`Error starting parallel notification tools:`, error);
+        throw error;
+    }
+}
+// Start the client
+main().catch((error) => {
+    console.error('Error running MCP client:', error);
+    process.exit(1);
+});
+//# sourceMappingURL=parallelToolCallsClient.js.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/parallelToolCallsClient.js.map

@@ -0,0 +1 @@
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node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/simpleClientCredentials.d.ts

@@ -0,0 +1,20 @@
+#!/usr/bin/env node
+/**
+ * Example demonstrating client_credentials grant for machine-to-machine authentication.
+ *
+ * Supports two authentication methods based on environment variables:
+ *
+ * 1. client_secret_basic (default):
+ *    MCP_CLIENT_ID - OAuth client ID (required)
+ *    MCP_CLIENT_SECRET - OAuth client secret (required)
+ *
+ * 2. private_key_jwt (when MCP_CLIENT_PRIVATE_KEY_PEM is set):
+ *    MCP_CLIENT_ID - OAuth client ID (required)
+ *    MCP_CLIENT_PRIVATE_KEY_PEM - PEM-encoded private key for JWT signing (required)
+ *    MCP_CLIENT_ALGORITHM - Signing algorithm (default: RS256)
+ *
+ * Common:
+ *    MCP_SERVER_URL - Server URL (default: http://localhost:3000/mcp)
+ */
+export {};
+//# sourceMappingURL=simpleClientCredentials.d.ts.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/simpleClientCredentials.d.ts.map

@@ -0,0 +1 @@
+{"version":3,"file":"simpleClientCredentials.d.ts","sourceRoot":"","sources":["../../../../src/examples/client/simpleClientCredentials.ts"],"names":[],"mappings":";AAEA;;;;;;;;;;;;;;;;GAgBG"}

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/simpleClientCredentials.js

@@ -0,0 +1,68 @@
+#!/usr/bin/env node
+/**
+ * Example demonstrating client_credentials grant for machine-to-machine authentication.
+ *
+ * Supports two authentication methods based on environment variables:
+ *
+ * 1. client_secret_basic (default):
+ *    MCP_CLIENT_ID - OAuth client ID (required)
+ *    MCP_CLIENT_SECRET - OAuth client secret (required)
+ *
+ * 2. private_key_jwt (when MCP_CLIENT_PRIVATE_KEY_PEM is set):
+ *    MCP_CLIENT_ID - OAuth client ID (required)
+ *    MCP_CLIENT_PRIVATE_KEY_PEM - PEM-encoded private key for JWT signing (required)
+ *    MCP_CLIENT_ALGORITHM - Signing algorithm (default: RS256)
+ *
+ * Common:
+ *    MCP_SERVER_URL - Server URL (default: http://localhost:3000/mcp)
+ */
+import { Client } from '../../client/index.js';
+import { StreamableHTTPClientTransport } from '../../client/streamableHttp.js';
+import { ClientCredentialsProvider, PrivateKeyJwtProvider } from '../../client/auth-extensions.js';
+const DEFAULT_SERVER_URL = process.env.MCP_SERVER_URL || 'http://localhost:3000/mcp';
+function createProvider() {
+    const clientId = process.env.MCP_CLIENT_ID;
+    if (!clientId) {
+        console.error('MCP_CLIENT_ID environment variable is required');
+        process.exit(1);
+    }
+    // If private key is provided, use private_key_jwt authentication
+    const privateKeyPem = process.env.MCP_CLIENT_PRIVATE_KEY_PEM;
+    if (privateKeyPem) {
+        const algorithm = process.env.MCP_CLIENT_ALGORITHM || 'RS256';
+        console.log('Using private_key_jwt authentication');
+        return new PrivateKeyJwtProvider({
+            clientId,
+            privateKey: privateKeyPem,
+            algorithm
+        });
+    }
+    // Otherwise, use client_secret_basic authentication
+    const clientSecret = process.env.MCP_CLIENT_SECRET;
+    if (!clientSecret) {
+        console.error('MCP_CLIENT_SECRET or MCP_CLIENT_PRIVATE_KEY_PEM environment variable is required');
+        process.exit(1);
+    }
+    console.log('Using client_secret_basic authentication');
+    return new ClientCredentialsProvider({
+        clientId,
+        clientSecret
+    });
+}
+async function main() {
+    const provider = createProvider();
+    const client = new Client({ name: 'client-credentials-example', version: '1.0.0' }, { capabilities: {} });
+    const transport = new StreamableHTTPClientTransport(new URL(DEFAULT_SERVER_URL), {
+        authProvider: provider
+    });
+    await client.connect(transport);
+    console.log('Connected successfully.');
+    const tools = await client.listTools();
+    console.log('Available tools:', tools.tools.map(t => t.name).join(', ') || '(none)');
+    await transport.close();
+}
+main().catch(err => {
+    console.error(err);
+    process.exit(1);
+});
+//# sourceMappingURL=simpleClientCredentials.js.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/simpleClientCredentials.js.map

@@ -0,0 +1 @@
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node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/simpleOAuthClient.d.ts

@@ -0,0 +1,3 @@
+#!/usr/bin/env node
+export {};
+//# sourceMappingURL=simpleOAuthClient.d.ts.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/simpleOAuthClient.d.ts.map

@@ -0,0 +1 @@
+{"version":3,"file":"simpleOAuthClient.d.ts","sourceRoot":"","sources":["../../../../src/examples/client/simpleOAuthClient.ts"],"names":[],"mappings":""}

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/simpleOAuthClient.js

@@ -0,0 +1,395 @@
+#!/usr/bin/env node
+import { createServer } from 'node:http';
+import { createInterface } from 'node:readline';
+import { URL } from 'node:url';
+import { Client } from '../../client/index.js';
+import { StreamableHTTPClientTransport } from '../../client/streamableHttp.js';
+import { CallToolResultSchema, ListToolsResultSchema } from '../../types.js';
+import { UnauthorizedError } from '../../client/auth.js';
+import { InMemoryOAuthClientProvider } from './simpleOAuthClientProvider.js';
+// Configuration
+const DEFAULT_SERVER_URL = 'http://localhost:3000/mcp';
+const CALLBACK_PORT = 8090; // Use different port than auth server (3001)
+const CALLBACK_URL = `http://localhost:${CALLBACK_PORT}/callback`;
+/**
+ * Interactive MCP client with OAuth authentication
+ * Demonstrates the complete OAuth flow with browser-based authorization
+ */
+class InteractiveOAuthClient {
+    constructor(serverUrl, clientMetadataUrl) {
+        this.serverUrl = serverUrl;
+        this.clientMetadataUrl = clientMetadataUrl;
+        this.client = null;
+        this.rl = createInterface({
+            input: process.stdin,
+            output: process.stdout
+        });
+    }
+    /**
+     * Prompts user for input via readline
+     */
+    async question(query) {
+        return new Promise(resolve => {
+            this.rl.question(query, resolve);
+        });
+    }
+    /**
+     * Example OAuth callback handler - in production, use a more robust approach
+     * for handling callbacks and storing tokens
+     */
+    /**
+     * Starts a temporary HTTP server to receive the OAuth callback
+     */
+    async waitForOAuthCallback() {
+        return new Promise((resolve, reject) => {
+            const server = createServer((req, res) => {
+                // Ignore favicon requests
+                if (req.url === '/favicon.ico') {
+                    res.writeHead(404);
+                    res.end();
+                    return;
+                }
+                console.log(`📥 Received callback: ${req.url}`);
+                const parsedUrl = new URL(req.url || '', 'http://localhost');
+                const code = parsedUrl.searchParams.get('code');
+                const error = parsedUrl.searchParams.get('error');
+                if (code) {
+                    console.log(`✅ Authorization code received: ${code?.substring(0, 10)}...`);
+                    res.writeHead(200, { 'Content-Type': 'text/html' });
+                    res.end(`
+            <html>
+              <body>
+                <h1>Authorization Successful!</h1>
+                <p>You can close this window and return to the terminal.</p>
+                <script>setTimeout(() => window.close(), 2000);</script>
+              </body>
+            </html>
+          `);
+                    resolve(code);
+                    setTimeout(() => server.close(), 3000);
+                }
+                else if (error) {
+                    console.log(`❌ Authorization error: ${error}`);
+                    res.writeHead(400, { 'Content-Type': 'text/html' });
+                    res.end(`
+            <html>
+              <body>
+                <h1>Authorization Failed</h1>
+                <p>Error: ${error}</p>
+              </body>
+            </html>
+          `);
+                    reject(new Error(`OAuth authorization failed: ${error}`));
+                }
+                else {
+                    console.log(`❌ No authorization code or error in callback`);
+                    res.writeHead(400);
+                    res.end('Bad request');
+                    reject(new Error('No authorization code provided'));
+                }
+            });
+            server.listen(CALLBACK_PORT, () => {
+                console.log(`OAuth callback server started on http://localhost:${CALLBACK_PORT}`);
+            });
+        });
+    }
+    async attemptConnection(oauthProvider) {
+        console.log('🚢 Creating transport with OAuth provider...');
+        const baseUrl = new URL(this.serverUrl);
+        const transport = new StreamableHTTPClientTransport(baseUrl, {
+            authProvider: oauthProvider
+        });
+        console.log('🚢 Transport created');
+        try {
+            console.log('🔌 Attempting connection (this will trigger OAuth redirect)...');
+            await this.client.connect(transport);
+            console.log('✅ Connected successfully');
+        }
+        catch (error) {
+            if (error instanceof UnauthorizedError) {
+                console.log('🔐 OAuth required - waiting for authorization...');
+                const callbackPromise = this.waitForOAuthCallback();
+                const authCode = await callbackPromise;
+                await transport.finishAuth(authCode);
+                console.log('🔐 Authorization code received:', authCode);
+                console.log('🔌 Reconnecting with authenticated transport...');
+                await this.attemptConnection(oauthProvider);
+            }
+            else {
+                console.error('❌ Connection failed with non-auth error:', error);
+                throw error;
+            }
+        }
+    }
+    /**
+     * Establishes connection to the MCP server with OAuth authentication
+     */
+    async connect() {
+        console.log(`🔗 Attempting to connect to ${this.serverUrl}...`);
+        const clientMetadata = {
+            client_name: 'Simple OAuth MCP Client',
+            redirect_uris: [CALLBACK_URL],
+            grant_types: ['authorization_code', 'refresh_token'],
+            response_types: ['code'],
+            token_endpoint_auth_method: 'client_secret_post'
+        };
+        console.log('🔐 Creating OAuth provider...');
+        const oauthProvider = new InMemoryOAuthClientProvider(CALLBACK_URL, clientMetadata, (redirectUrl) => {
+            console.log(`\n🔗 Please open this URL in your browser to authorize:\n  ${redirectUrl.toString()}`);
+        }, this.clientMetadataUrl);
+        console.log('🔐 OAuth provider created');
+        console.log('👤 Creating MCP client...');
+        this.client = new Client({
+            name: 'simple-oauth-client',
+            version: '1.0.0'
+        }, { capabilities: {} });
+        console.log('👤 Client created');
+        console.log('🔐 Starting OAuth flow...');
+        await this.attemptConnection(oauthProvider);
+        // Start interactive loop
+        await this.interactiveLoop();
+    }
+    /**
+     * Main interactive loop for user commands
+     */
+    async interactiveLoop() {
+        console.log('\n🎯 Interactive MCP Client with OAuth');
+        console.log('Commands:');
+        console.log('  list - List available tools');
+        console.log('  call <tool_name> [args] - Call a tool');
+        console.log('  stream <tool_name> [args] - Call a tool with streaming (shows task status)');
+        console.log('  quit - Exit the client');
+        console.log();
+        while (true) {
+            try {
+                const command = await this.question('mcp> ');
+                if (!command.trim()) {
+                    continue;
+                }
+                if (command === 'quit') {
+                    console.log('\n👋 Goodbye!');
+                    this.close();
+                    process.exit(0);
+                }
+                else if (command === 'list') {
+                    await this.listTools();
+                }
+                else if (command.startsWith('call ')) {
+                    await this.handleCallTool(command);
+                }
+                else if (command.startsWith('stream ')) {
+                    await this.handleStreamTool(command);
+                }
+                else {
+                    console.log("❌ Unknown command. Try 'list', 'call <tool_name>', 'stream <tool_name>', or 'quit'");
+                }
+            }
+            catch (error) {
+                if (error instanceof Error && error.message === 'SIGINT') {
+                    console.log('\n\n👋 Goodbye!');
+                    break;
+                }
+                console.error('❌ Error:', error);
+            }
+        }
+    }
+    async listTools() {
+        if (!this.client) {
+            console.log('❌ Not connected to server');
+            return;
+        }
+        try {
+            const request = {
+                method: 'tools/list',
+                params: {}
+            };
+            const result = await this.client.request(request, ListToolsResultSchema);
+            if (result.tools && result.tools.length > 0) {
+                console.log('\n📋 Available tools:');
+                result.tools.forEach((tool, index) => {
+                    console.log(`${index + 1}. ${tool.name}`);
+                    if (tool.description) {
+                        console.log(`   Description: ${tool.description}`);
+                    }
+                    console.log();
+                });
+            }
+            else {
+                console.log('No tools available');
+            }
+        }
+        catch (error) {
+            console.error('❌ Failed to list tools:', error);
+        }
+    }
+    async handleCallTool(command) {
+        const parts = command.split(/\s+/);
+        const toolName = parts[1];
+        if (!toolName) {
+            console.log('❌ Please specify a tool name');
+            return;
+        }
+        // Parse arguments (simple JSON-like format)
+        let toolArgs = {};
+        if (parts.length > 2) {
+            const argsString = parts.slice(2).join(' ');
+            try {
+                toolArgs = JSON.parse(argsString);
+            }
+            catch {
+                console.log('❌ Invalid arguments format (expected JSON)');
+                return;
+            }
+        }
+        await this.callTool(toolName, toolArgs);
+    }
+    async callTool(toolName, toolArgs) {
+        if (!this.client) {
+            console.log('❌ Not connected to server');
+            return;
+        }
+        try {
+            const request = {
+                method: 'tools/call',
+                params: {
+                    name: toolName,
+                    arguments: toolArgs
+                }
+            };
+            const result = await this.client.request(request, CallToolResultSchema);
+            console.log(`\n🔧 Tool '${toolName}' result:`);
+            if (result.content) {
+                result.content.forEach(content => {
+                    if (content.type === 'text') {
+                        console.log(content.text);
+                    }
+                    else {
+                        console.log(content);
+                    }
+                });
+            }
+            else {
+                console.log(result);
+            }
+        }
+        catch (error) {
+            console.error(`❌ Failed to call tool '${toolName}':`, error);
+        }
+    }
+    async handleStreamTool(command) {
+        const parts = command.split(/\s+/);
+        const toolName = parts[1];
+        if (!toolName) {
+            console.log('❌ Please specify a tool name');
+            return;
+        }
+        // Parse arguments (simple JSON-like format)
+        let toolArgs = {};
+        if (parts.length > 2) {
+            const argsString = parts.slice(2).join(' ');
+            try {
+                toolArgs = JSON.parse(argsString);
+            }
+            catch {
+                console.log('❌ Invalid arguments format (expected JSON)');
+                return;
+            }
+        }
+        await this.streamTool(toolName, toolArgs);
+    }
+    async streamTool(toolName, toolArgs) {
+        if (!this.client) {
+            console.log('❌ Not connected to server');
+            return;
+        }
+        try {
+            // Using the experimental tasks API - WARNING: may change without notice
+            console.log(`\n🔧 Streaming tool '${toolName}'...`);
+            const stream = this.client.experimental.tasks.callToolStream({
+                name: toolName,
+                arguments: toolArgs
+            }, CallToolResultSchema, {
+                task: {
+                    taskId: `task-${Date.now()}`,
+                    ttl: 60000
+                }
+            });
+            // Iterate through all messages yielded by the generator
+            for await (const message of stream) {
+                switch (message.type) {
+                    case 'taskCreated':
+                        console.log(`✓ Task created: ${message.task.taskId}`);
+                        break;
+                    case 'taskStatus':
+                        console.log(`⟳ Status: ${message.task.status}`);
+                        if (message.task.statusMessage) {
+                            console.log(`  ${message.task.statusMessage}`);
+                        }
+                        break;
+                    case 'result':
+                        console.log('✓ Completed!');
+                        message.result.content.forEach(content => {
+                            if (content.type === 'text') {
+                                console.log(content.text);
+                            }
+                            else {
+                                console.log(content);
+                            }
+                        });
+                        break;
+                    case 'error':
+                        console.log('✗ Error:');
+                        console.log(`  ${message.error.message}`);
+                        break;
+                }
+            }
+        }
+        catch (error) {
+            console.error(`❌ Failed to stream tool '${toolName}':`, error);
+        }
+    }
+    close() {
+        this.rl.close();
+        if (this.client) {
+            // Note: Client doesn't have a close method in the current implementation
+            // This would typically close the transport connection
+        }
+    }
+}
+/**
+ * Main entry point
+ */
+async function main() {
+    const args = process.argv.slice(2);
+    const serverUrl = args[0] || DEFAULT_SERVER_URL;
+    const clientMetadataUrl = args[1];
+    console.log('🚀 Simple MCP OAuth Client');
+    console.log(`Connecting to: ${serverUrl}`);
+    if (clientMetadataUrl) {
+        console.log(`Client Metadata URL: ${clientMetadataUrl}`);
+    }
+    console.log();
+    const client = new InteractiveOAuthClient(serverUrl, clientMetadataUrl);
+    // Handle graceful shutdown
+    process.on('SIGINT', () => {
+        console.log('\n\n👋 Goodbye!');
+        client.close();
+        process.exit(0);
+    });
+    try {
+        await client.connect();
+    }
+    catch (error) {
+        console.error('Failed to start client:', error);
+        process.exit(1);
+    }
+    finally {
+        client.close();
+    }
+}
+// Run if this file is executed directly
+main().catch(error => {
+    console.error('Unhandled error:', error);
+    process.exit(1);
+});
+//# sourceMappingURL=simpleOAuthClient.js.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/simpleOAuthClientProvider.d.ts

@@ -0,0 +1,26 @@
+import { OAuthClientProvider } from '../../client/auth.js';
+import { OAuthClientInformationMixed, OAuthClientMetadata, OAuthTokens } from '../../shared/auth.js';
+/**
+ * In-memory OAuth client provider for demonstration purposes
+ * In production, you should persist tokens securely
+ */
+export declare class InMemoryOAuthClientProvider implements OAuthClientProvider {
+    private readonly _redirectUrl;
+    private readonly _clientMetadata;
+    readonly clientMetadataUrl?: string | undefined;
+    private _clientInformation?;
+    private _tokens?;
+    private _codeVerifier?;
+    constructor(_redirectUrl: string | URL, _clientMetadata: OAuthClientMetadata, onRedirect?: (url: URL) => void, clientMetadataUrl?: string | undefined);
+    private _onRedirect;
+    get redirectUrl(): string | URL;
+    get clientMetadata(): OAuthClientMetadata;
+    clientInformation(): OAuthClientInformationMixed | undefined;
+    saveClientInformation(clientInformation: OAuthClientInformationMixed): void;
+    tokens(): OAuthTokens | undefined;
+    saveTokens(tokens: OAuthTokens): void;
+    redirectToAuthorization(authorizationUrl: URL): void;
+    saveCodeVerifier(codeVerifier: string): void;
+    codeVerifier(): string;
+}
+//# sourceMappingURL=simpleOAuthClientProvider.d.ts.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/simpleOAuthClientProvider.d.ts.map

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node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/simpleOAuthClientProvider.js

@@ -0,0 +1,47 @@
+/**
+ * In-memory OAuth client provider for demonstration purposes
+ * In production, you should persist tokens securely
+ */
+export class InMemoryOAuthClientProvider {
+    constructor(_redirectUrl, _clientMetadata, onRedirect, clientMetadataUrl) {
+        this._redirectUrl = _redirectUrl;
+        this._clientMetadata = _clientMetadata;
+        this.clientMetadataUrl = clientMetadataUrl;
+        this._onRedirect =
+            onRedirect ||
+                (url => {
+                    console.log(`Redirect to: ${url.toString()}`);
+                });
+    }
+    get redirectUrl() {
+        return this._redirectUrl;
+    }
+    get clientMetadata() {
+        return this._clientMetadata;
+    }
+    clientInformation() {
+        return this._clientInformation;
+    }
+    saveClientInformation(clientInformation) {
+        this._clientInformation = clientInformation;
+    }
+    tokens() {
+        return this._tokens;
+    }
+    saveTokens(tokens) {
+        this._tokens = tokens;
+    }
+    redirectToAuthorization(authorizationUrl) {
+        this._onRedirect(authorizationUrl);
+    }
+    saveCodeVerifier(codeVerifier) {
+        this._codeVerifier = codeVerifier;
+    }
+    codeVerifier() {
+        if (!this._codeVerifier) {
+            throw new Error('No code verifier saved');
+        }
+        return this._codeVerifier;
+    }
+}
+//# sourceMappingURL=simpleOAuthClientProvider.js.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/simpleOAuthClientProvider.js.map

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node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/simpleStreamableHttp.d.ts

@@ -0,0 +1,2 @@
+export {};
+//# sourceMappingURL=simpleStreamableHttp.d.ts.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/simpleStreamableHttp.d.ts.map

@@ -0,0 +1 @@
+{"version":3,"file":"simpleStreamableHttp.d.ts","sourceRoot":"","sources":["../../../../src/examples/client/simpleStreamableHttp.ts"],"names":[],"mappings":""}

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/simpleStreamableHttp.js

@@ -0,0 +1,855 @@
+import { Client } from '../../client/index.js';
+import { StreamableHTTPClientTransport } from '../../client/streamableHttp.js';
+import { createInterface } from 'node:readline';
+import { ListToolsResultSchema, CallToolResultSchema, ListPromptsResultSchema, GetPromptResultSchema, ListResourcesResultSchema, LoggingMessageNotificationSchema, ResourceListChangedNotificationSchema, ElicitRequestSchema, ReadResourceResultSchema, RELATED_TASK_META_KEY, ErrorCode, McpError } from '../../types.js';
+import { InMemoryTaskStore } from '../../experimental/tasks/stores/in-memory.js';
+import { getDisplayName } from '../../shared/metadataUtils.js';
+import { Ajv } from 'ajv';
+// Create readline interface for user input
+const readline = createInterface({
+    input: process.stdin,
+    output: process.stdout
+});
+// Track received notifications for debugging resumability
+let notificationCount = 0;
+// Global client and transport for interactive commands
+let client = null;
+let transport = null;
+let serverUrl = 'http://localhost:3000/mcp';
+let notificationsToolLastEventId = undefined;
+let sessionId = undefined;
+async function main() {
+    console.log('MCP Interactive Client');
+    console.log('=====================');
+    // Connect to server immediately with default settings
+    await connect();
+    // Print help and start the command loop
+    printHelp();
+    commandLoop();
+}
+function printHelp() {
+    console.log('\nAvailable commands:');
+    console.log('  connect [url]              - Connect to MCP server (default: http://localhost:3000/mcp)');
+    console.log('  disconnect                 - Disconnect from server');
+    console.log('  terminate-session          - Terminate the current session');
+    console.log('  reconnect                  - Reconnect to the server');
+    console.log('  list-tools                 - List available tools');
+    console.log('  call-tool <name> [args]    - Call a tool with optional JSON arguments');
+    console.log('  call-tool-task <name> [args] - Call a tool with task-based execution (example: call-tool-task delay {"duration":3000})');
+    console.log('  greet [name]               - Call the greet tool');
+    console.log('  multi-greet [name]         - Call the multi-greet tool with notifications');
+    console.log('  collect-info [type]        - Test form elicitation with collect-user-info tool (contact/preferences/feedback)');
+    console.log('  collect-info-task [type]   - Test bidirectional task support (server+client tasks) with elicitation');
+    console.log('  start-notifications [interval] [count] - Start periodic notifications');
+    console.log('  run-notifications-tool-with-resumability [interval] [count] - Run notification tool with resumability');
+    console.log('  list-prompts               - List available prompts');
+    console.log('  get-prompt [name] [args]   - Get a prompt with optional JSON arguments');
+    console.log('  list-resources             - List available resources');
+    console.log('  read-resource <uri>        - Read a specific resource by URI');
+    console.log('  help                       - Show this help');
+    console.log('  quit                       - Exit the program');
+}
+function commandLoop() {
+    readline.question('\n> ', async (input) => {
+        const args = input.trim().split(/\s+/);
+        const command = args[0]?.toLowerCase();
+        try {
+            switch (command) {
+                case 'connect':
+                    await connect(args[1]);
+                    break;
+                case 'disconnect':
+                    await disconnect();
+                    break;
+                case 'terminate-session':
+                    await terminateSession();
+                    break;
+                case 'reconnect':
+                    await reconnect();
+                    break;
+                case 'list-tools':
+                    await listTools();
+                    break;
+                case 'call-tool':
+                    if (args.length < 2) {
+                        console.log('Usage: call-tool <name> [args]');
+                    }
+                    else {
+                        const toolName = args[1];
+                        let toolArgs = {};
+                        if (args.length > 2) {
+                            try {
+                                toolArgs = JSON.parse(args.slice(2).join(' '));
+                            }
+                            catch {
+                                console.log('Invalid JSON arguments. Using empty args.');
+                            }
+                        }
+                        await callTool(toolName, toolArgs);
+                    }
+                    break;
+                case 'greet':
+                    await callGreetTool(args[1] || 'MCP User');
+                    break;
+                case 'multi-greet':
+                    await callMultiGreetTool(args[1] || 'MCP User');
+                    break;
+                case 'collect-info':
+                    await callCollectInfoTool(args[1] || 'contact');
+                    break;
+                case 'collect-info-task': {
+                    await callCollectInfoWithTask(args[1] || 'contact');
+                    break;
+                }
+                case 'start-notifications': {
+                    const interval = args[1] ? parseInt(args[1], 10) : 2000;
+                    const count = args[2] ? parseInt(args[2], 10) : 10;
+                    await startNotifications(interval, count);
+                    break;
+                }
+                case 'run-notifications-tool-with-resumability': {
+                    const interval = args[1] ? parseInt(args[1], 10) : 2000;
+                    const count = args[2] ? parseInt(args[2], 10) : 10;
+                    await runNotificationsToolWithResumability(interval, count);
+                    break;
+                }
+                case 'call-tool-task':
+                    if (args.length < 2) {
+                        console.log('Usage: call-tool-task <name> [args]');
+                    }
+                    else {
+                        const toolName = args[1];
+                        let toolArgs = {};
+                        if (args.length > 2) {
+                            try {
+                                toolArgs = JSON.parse(args.slice(2).join(' '));
+                            }
+                            catch {
+                                console.log('Invalid JSON arguments. Using empty args.');
+                            }
+                        }
+                        await callToolTask(toolName, toolArgs);
+                    }
+                    break;
+                case 'list-prompts':
+                    await listPrompts();
+                    break;
+                case 'get-prompt':
+                    if (args.length < 2) {
+                        console.log('Usage: get-prompt <name> [args]');
+                    }
+                    else {
+                        const promptName = args[1];
+                        let promptArgs = {};
+                        if (args.length > 2) {
+                            try {
+                                promptArgs = JSON.parse(args.slice(2).join(' '));
+                            }
+                            catch {
+                                console.log('Invalid JSON arguments. Using empty args.');
+                            }
+                        }
+                        await getPrompt(promptName, promptArgs);
+                    }
+                    break;
+                case 'list-resources':
+                    await listResources();
+                    break;
+                case 'read-resource':
+                    if (args.length < 2) {
+                        console.log('Usage: read-resource <uri>');
+                    }
+                    else {
+                        await readResource(args[1]);
+                    }
+                    break;
+                case 'help':
+                    printHelp();
+                    break;
+                case 'quit':
+                case 'exit':
+                    await cleanup();
+                    return;
+                default:
+                    if (command) {
+                        console.log(`Unknown command: ${command}`);
+                    }
+                    break;
+            }
+        }
+        catch (error) {
+            console.error(`Error executing command: ${error}`);
+        }
+        // Continue the command loop
+        commandLoop();
+    });
+}
+async function connect(url) {
+    if (client) {
+        console.log('Already connected. Disconnect first.');
+        return;
+    }
+    if (url) {
+        serverUrl = url;
+    }
+    console.log(`Connecting to ${serverUrl}...`);
+    try {
+        // Create task store for client-side task support
+        const clientTaskStore = new InMemoryTaskStore();
+        // Create a new client with form elicitation capability and task support
+        client = new Client({
+            name: 'example-client',
+            version: '1.0.0'
+        }, {
+            capabilities: {
+                elicitation: {
+                    form: {}
+                },
+                tasks: {
+                    requests: {
+                        elicitation: {
+                            create: {}
+                        }
+                    }
+                }
+            },
+            taskStore: clientTaskStore
+        });
+        client.onerror = error => {
+            console.error('\x1b[31mClient error:', error, '\x1b[0m');
+        };
+        // Set up elicitation request handler with proper validation and task support
+        client.setRequestHandler(ElicitRequestSchema, async (request, extra) => {
+            if (request.params.mode !== 'form') {
+                throw new McpError(ErrorCode.InvalidParams, `Unsupported elicitation mode: ${request.params.mode}`);
+            }
+            console.log('\n🔔 Elicitation (form) Request Received:');
+            console.log(`Message: ${request.params.message}`);
+            console.log(`Related Task: ${request.params._meta?.[RELATED_TASK_META_KEY]?.taskId}`);
+            console.log(`Task Creation Requested: ${request.params.task ? 'yes' : 'no'}`);
+            console.log('Requested Schema:');
+            console.log(JSON.stringify(request.params.requestedSchema, null, 2));
+            // Helper to return result, optionally creating a task if requested
+            const returnResult = async (result) => {
+                if (request.params.task && extra.taskStore) {
+                    // Create a task and store the result
+                    const task = await extra.taskStore.createTask({ ttl: extra.taskRequestedTtl });
+                    await extra.taskStore.storeTaskResult(task.taskId, 'completed', result);
+                    console.log(`📋 Created client-side task: ${task.taskId}`);
+                    return { task };
+                }
+                return result;
+            };
+            const schema = request.params.requestedSchema;
+            const properties = schema.properties;
+            const required = schema.required || [];
+            // Set up AJV validator for the requested schema
+            const ajv = new Ajv();
+            const validate = ajv.compile(schema);
+            let attempts = 0;
+            const maxAttempts = 3;
+            while (attempts < maxAttempts) {
+                attempts++;
+                console.log(`\nPlease provide the following information (attempt ${attempts}/${maxAttempts}):`);
+                const content = {};
+                let inputCancelled = false;
+                // Collect input for each field
+                for (const [fieldName, fieldSchema] of Object.entries(properties)) {
+                    const field = fieldSchema;
+                    const isRequired = required.includes(fieldName);
+                    let prompt = `${field.title || fieldName}`;
+                    // Add helpful information to the prompt
+                    if (field.description) {
+                        prompt += ` (${field.description})`;
+                    }
+                    if (field.enum) {
+                        prompt += ` [options: ${field.enum.join(', ')}]`;
+                    }
+                    if (field.type === 'number' || field.type === 'integer') {
+                        if (field.minimum !== undefined && field.maximum !== undefined) {
+                            prompt += ` [${field.minimum}-${field.maximum}]`;
+                        }
+                        else if (field.minimum !== undefined) {
+                            prompt += ` [min: ${field.minimum}]`;
+                        }
+                        else if (field.maximum !== undefined) {
+                            prompt += ` [max: ${field.maximum}]`;
+                        }
+                    }
+                    if (field.type === 'string' && field.format) {
+                        prompt += ` [format: ${field.format}]`;
+                    }
+                    if (isRequired) {
+                        prompt += ' *required*';
+                    }
+                    if (field.default !== undefined) {
+                        prompt += ` [default: ${field.default}]`;
+                    }
+                    prompt += ': ';
+                    const answer = await new Promise(resolve => {
+                        readline.question(prompt, input => {
+                            resolve(input.trim());
+                        });
+                    });
+                    // Check for cancellation
+                    if (answer.toLowerCase() === 'cancel' || answer.toLowerCase() === 'c') {
+                        inputCancelled = true;
+                        break;
+                    }
+                    // Parse and validate the input
+                    try {
+                        if (answer === '' && field.default !== undefined) {
+                            content[fieldName] = field.default;
+                        }
+                        else if (answer === '' && !isRequired) {
+                            // Skip optional empty fields
+                            continue;
+                        }
+                        else if (answer === '') {
+                            throw new Error(`${fieldName} is required`);
+                        }
+                        else {
+                            // Parse the value based on type
+                            let parsedValue;
+                            if (field.type === 'boolean') {
+                                parsedValue = answer.toLowerCase() === 'true' || answer.toLowerCase() === 'yes' || answer === '1';
+                            }
+                            else if (field.type === 'number') {
+                                parsedValue = parseFloat(answer);
+                                if (isNaN(parsedValue)) {
+                                    throw new Error(`${fieldName} must be a valid number`);
+                                }
+                            }
+                            else if (field.type === 'integer') {
+                                parsedValue = parseInt(answer, 10);
+                                if (isNaN(parsedValue)) {
+                                    throw new Error(`${fieldName} must be a valid integer`);
+                                }
+                            }
+                            else if (field.enum) {
+                                if (!field.enum.includes(answer)) {
+                                    throw new Error(`${fieldName} must be one of: ${field.enum.join(', ')}`);
+                                }
+                                parsedValue = answer;
+                            }
+                            else {
+                                parsedValue = answer;
+                            }
+                            content[fieldName] = parsedValue;
+                        }
+                    }
+                    catch (error) {
+                        console.log(`❌ Error: ${error}`);
+                        // Continue to next attempt
+                        break;
+                    }
+                }
+                if (inputCancelled) {
+                    return returnResult({ action: 'cancel' });
+                }
+                // If we didn't complete all fields due to an error, try again
+                if (Object.keys(content).length !==
+                    Object.keys(properties).filter(name => required.includes(name) || content[name] !== undefined).length) {
+                    if (attempts < maxAttempts) {
+                        console.log('Please try again...');
+                        continue;
+                    }
+                    else {
+                        console.log('Maximum attempts reached. Declining request.');
+                        return returnResult({ action: 'decline' });
+                    }
+                }
+                // Validate the complete object against the schema
+                const isValid = validate(content);
+                if (!isValid) {
+                    console.log('❌ Validation errors:');
+                    validate.errors?.forEach(error => {
+                        console.log(`  - ${error.instancePath || 'root'}: ${error.message}`);
+                    });
+                    if (attempts < maxAttempts) {
+                        console.log('Please correct the errors and try again...');
+                        continue;
+                    }
+                    else {
+                        console.log('Maximum attempts reached. Declining request.');
+                        return returnResult({ action: 'decline' });
+                    }
+                }
+                // Show the collected data and ask for confirmation
+                console.log('\n✅ Collected data:');
+                console.log(JSON.stringify(content, null, 2));
+                const confirmAnswer = await new Promise(resolve => {
+                    readline.question('\nSubmit this information? (yes/no/cancel): ', input => {
+                        resolve(input.trim().toLowerCase());
+                    });
+                });
+                switch (confirmAnswer) {
+                    case 'yes':
+                    case 'y': {
+                        return returnResult({
+                            action: 'accept',
+                            content: content
+                        });
+                    }
+                    case 'cancel':
+                    case 'c': {
+                        return returnResult({ action: 'cancel' });
+                    }
+                    case 'no':
+                    case 'n': {
+                        if (attempts < maxAttempts) {
+                            console.log('Please re-enter the information...');
+                            continue;
+                        }
+                        else {
+                            return returnResult({ action: 'decline' });
+                        }
+                        break;
+                    }
+                }
+            }
+            console.log('Maximum attempts reached. Declining request.');
+            return returnResult({ action: 'decline' });
+        });
+        transport = new StreamableHTTPClientTransport(new URL(serverUrl), {
+            sessionId: sessionId
+        });
+        // Set up notification handlers
+        client.setNotificationHandler(LoggingMessageNotificationSchema, notification => {
+            notificationCount++;
+            console.log(`\nNotification #${notificationCount}: ${notification.params.level} - ${notification.params.data}`);
+            // Re-display the prompt
+            process.stdout.write('> ');
+        });
+        client.setNotificationHandler(ResourceListChangedNotificationSchema, async (_) => {
+            console.log(`\nResource list changed notification received!`);
+            try {
+                if (!client) {
+                    console.log('Client disconnected, cannot fetch resources');
+                    return;
+                }
+                const resourcesResult = await client.request({
+                    method: 'resources/list',
+                    params: {}
+                }, ListResourcesResultSchema);
+                console.log('Available resources count:', resourcesResult.resources.length);
+            }
+            catch {
+                console.log('Failed to list resources after change notification');
+            }
+            // Re-display the prompt
+            process.stdout.write('> ');
+        });
+        // Connect the client
+        await client.connect(transport);
+        sessionId = transport.sessionId;
+        console.log('Transport created with session ID:', sessionId);
+        console.log('Connected to MCP server');
+    }
+    catch (error) {
+        console.error('Failed to connect:', error);
+        client = null;
+        transport = null;
+    }
+}
+async function disconnect() {
+    if (!client || !transport) {
+        console.log('Not connected.');
+        return;
+    }
+    try {
+        await transport.close();
+        console.log('Disconnected from MCP server');
+        client = null;
+        transport = null;
+    }
+    catch (error) {
+        console.error('Error disconnecting:', error);
+    }
+}
+async function terminateSession() {
+    if (!client || !transport) {
+        console.log('Not connected.');
+        return;
+    }
+    try {
+        console.log('Terminating session with ID:', transport.sessionId);
+        await transport.terminateSession();
+        console.log('Session terminated successfully');
+        // Check if sessionId was cleared after termination
+        if (!transport.sessionId) {
+            console.log('Session ID has been cleared');
+            sessionId = undefined;
+            // Also close the transport and clear client objects
+            await transport.close();
+            console.log('Transport closed after session termination');
+            client = null;
+            transport = null;
+        }
+        else {
+            console.log('Server responded with 405 Method Not Allowed (session termination not supported)');
+            console.log('Session ID is still active:', transport.sessionId);
+        }
+    }
+    catch (error) {
+        console.error('Error terminating session:', error);
+    }
+}
+async function reconnect() {
+    if (client) {
+        await disconnect();
+    }
+    await connect();
+}
+async function listTools() {
+    if (!client) {
+        console.log('Not connected to server.');
+        return;
+    }
+    try {
+        const toolsRequest = {
+            method: 'tools/list',
+            params: {}
+        };
+        const toolsResult = await client.request(toolsRequest, ListToolsResultSchema);
+        console.log('Available tools:');
+        if (toolsResult.tools.length === 0) {
+            console.log('  No tools available');
+        }
+        else {
+            for (const tool of toolsResult.tools) {
+                console.log(`  - id: ${tool.name}, name: ${getDisplayName(tool)}, description: ${tool.description}`);
+            }
+        }
+    }
+    catch (error) {
+        console.log(`Tools not supported by this server (${error})`);
+    }
+}
+async function callTool(name, args) {
+    if (!client) {
+        console.log('Not connected to server.');
+        return;
+    }
+    try {
+        const request = {
+            method: 'tools/call',
+            params: {
+                name,
+                arguments: args
+            }
+        };
+        console.log(`Calling tool '${name}' with args:`, args);
+        const result = await client.request(request, CallToolResultSchema);
+        console.log('Tool result:');
+        const resourceLinks = [];
+        result.content.forEach(item => {
+            if (item.type === 'text') {
+                console.log(`  ${item.text}`);
+            }
+            else if (item.type === 'resource_link') {
+                const resourceLink = item;
+                resourceLinks.push(resourceLink);
+                console.log(`  📁 Resource Link: ${resourceLink.name}`);
+                console.log(`     URI: ${resourceLink.uri}`);
+                if (resourceLink.mimeType) {
+                    console.log(`     Type: ${resourceLink.mimeType}`);
+                }
+                if (resourceLink.description) {
+                    console.log(`     Description: ${resourceLink.description}`);
+                }
+            }
+            else if (item.type === 'resource') {
+                console.log(`  [Embedded Resource: ${item.resource.uri}]`);
+            }
+            else if (item.type === 'image') {
+                console.log(`  [Image: ${item.mimeType}]`);
+            }
+            else if (item.type === 'audio') {
+                console.log(`  [Audio: ${item.mimeType}]`);
+            }
+            else {
+                console.log(`  [Unknown content type]:`, item);
+            }
+        });
+        // Offer to read resource links
+        if (resourceLinks.length > 0) {
+            console.log(`\nFound ${resourceLinks.length} resource link(s). Use 'read-resource <uri>' to read their content.`);
+        }
+    }
+    catch (error) {
+        console.log(`Error calling tool ${name}: ${error}`);
+    }
+}
+async function callGreetTool(name) {
+    await callTool('greet', { name });
+}
+async function callMultiGreetTool(name) {
+    console.log('Calling multi-greet tool with notifications...');
+    await callTool('multi-greet', { name });
+}
+async function callCollectInfoTool(infoType) {
+    console.log(`Testing form elicitation with collect-user-info tool (${infoType})...`);
+    await callTool('collect-user-info', { infoType });
+}
+async function callCollectInfoWithTask(infoType) {
+    console.log(`\n🔄 Testing bidirectional task support with collect-user-info-task tool (${infoType})...`);
+    console.log('This will create a task on the server, which will elicit input and create a task on the client.\n');
+    await callToolTask('collect-user-info-task', { infoType });
+}
+async function startNotifications(interval, count) {
+    console.log(`Starting notification stream: interval=${interval}ms, count=${count || 'unlimited'}`);
+    await callTool('start-notification-stream', { interval, count });
+}
+async function runNotificationsToolWithResumability(interval, count) {
+    if (!client) {
+        console.log('Not connected to server.');
+        return;
+    }
+    try {
+        console.log(`Starting notification stream with resumability: interval=${interval}ms, count=${count || 'unlimited'}`);
+        console.log(`Using resumption token: ${notificationsToolLastEventId || 'none'}`);
+        const request = {
+            method: 'tools/call',
+            params: {
+                name: 'start-notification-stream',
+                arguments: { interval, count }
+            }
+        };
+        const onLastEventIdUpdate = (event) => {
+            notificationsToolLastEventId = event;
+            console.log(`Updated resumption token: ${event}`);
+        };
+        const result = await client.request(request, CallToolResultSchema, {
+            resumptionToken: notificationsToolLastEventId,
+            onresumptiontoken: onLastEventIdUpdate
+        });
+        console.log('Tool result:');
+        result.content.forEach(item => {
+            if (item.type === 'text') {
+                console.log(`  ${item.text}`);
+            }
+            else {
+                console.log(`  ${item.type} content:`, item);
+            }
+        });
+    }
+    catch (error) {
+        console.log(`Error starting notification stream: ${error}`);
+    }
+}
+async function listPrompts() {
+    if (!client) {
+        console.log('Not connected to server.');
+        return;
+    }
+    try {
+        const promptsRequest = {
+            method: 'prompts/list',
+            params: {}
+        };
+        const promptsResult = await client.request(promptsRequest, ListPromptsResultSchema);
+        console.log('Available prompts:');
+        if (promptsResult.prompts.length === 0) {
+            console.log('  No prompts available');
+        }
+        else {
+            for (const prompt of promptsResult.prompts) {
+                console.log(`  - id: ${prompt.name}, name: ${getDisplayName(prompt)}, description: ${prompt.description}`);
+            }
+        }
+    }
+    catch (error) {
+        console.log(`Prompts not supported by this server (${error})`);
+    }
+}
+async function getPrompt(name, args) {
+    if (!client) {
+        console.log('Not connected to server.');
+        return;
+    }
+    try {
+        const promptRequest = {
+            method: 'prompts/get',
+            params: {
+                name,
+                arguments: args
+            }
+        };
+        const promptResult = await client.request(promptRequest, GetPromptResultSchema);
+        console.log('Prompt template:');
+        promptResult.messages.forEach((msg, index) => {
+            console.log(`  [${index + 1}] ${msg.role}: ${msg.content.type === 'text' ? msg.content.text : JSON.stringify(msg.content)}`);
+        });
+    }
+    catch (error) {
+        console.log(`Error getting prompt ${name}: ${error}`);
+    }
+}
+async function listResources() {
+    if (!client) {
+        console.log('Not connected to server.');
+        return;
+    }
+    try {
+        const resourcesRequest = {
+            method: 'resources/list',
+            params: {}
+        };
+        const resourcesResult = await client.request(resourcesRequest, ListResourcesResultSchema);
+        console.log('Available resources:');
+        if (resourcesResult.resources.length === 0) {
+            console.log('  No resources available');
+        }
+        else {
+            for (const resource of resourcesResult.resources) {
+                console.log(`  - id: ${resource.name}, name: ${getDisplayName(resource)}, description: ${resource.uri}`);
+            }
+        }
+    }
+    catch (error) {
+        console.log(`Resources not supported by this server (${error})`);
+    }
+}
+async function readResource(uri) {
+    if (!client) {
+        console.log('Not connected to server.');
+        return;
+    }
+    try {
+        const request = {
+            method: 'resources/read',
+            params: { uri }
+        };
+        console.log(`Reading resource: ${uri}`);
+        const result = await client.request(request, ReadResourceResultSchema);
+        console.log('Resource contents:');
+        for (const content of result.contents) {
+            console.log(`  URI: ${content.uri}`);
+            if (content.mimeType) {
+                console.log(`  Type: ${content.mimeType}`);
+            }
+            if ('text' in content && typeof content.text === 'string') {
+                console.log('  Content:');
+                console.log('  ---');
+                console.log(content.text
+                    .split('\n')
+                    .map((line) => '  ' + line)
+                    .join('\n'));
+                console.log('  ---');
+            }
+            else if ('blob' in content && typeof content.blob === 'string') {
+                console.log(`  [Binary data: ${content.blob.length} bytes]`);
+            }
+        }
+    }
+    catch (error) {
+        console.log(`Error reading resource ${uri}: ${error}`);
+    }
+}
+async function callToolTask(name, args) {
+    if (!client) {
+        console.log('Not connected to server.');
+        return;
+    }
+    console.log(`Calling tool '${name}' with task-based execution...`);
+    console.log('Arguments:', args);
+    // Use task-based execution - call now, fetch later
+    // Using the experimental tasks API - WARNING: may change without notice
+    console.log('This will return immediately while processing continues in the background...');
+    try {
+        // Call the tool with task metadata using streaming API
+        const stream = client.experimental.tasks.callToolStream({
+            name,
+            arguments: args
+        }, CallToolResultSchema, {
+            task: {
+                ttl: 60000 // Keep results for 60 seconds
+            }
+        });
+        console.log('Waiting for task completion...');
+        let lastStatus = '';
+        for await (const message of stream) {
+            switch (message.type) {
+                case 'taskCreated':
+                    console.log('Task created successfully with ID:', message.task.taskId);
+                    break;
+                case 'taskStatus':
+                    if (lastStatus !== message.task.status) {
+                        console.log(`  ${message.task.status}${message.task.statusMessage ? ` - ${message.task.statusMessage}` : ''}`);
+                    }
+                    lastStatus = message.task.status;
+                    break;
+                case 'result':
+                    console.log('Task completed!');
+                    console.log('Tool result:');
+                    message.result.content.forEach(item => {
+                        if (item.type === 'text') {
+                            console.log(`  ${item.text}`);
+                        }
+                    });
+                    break;
+                case 'error':
+                    throw message.error;
+            }
+        }
+    }
+    catch (error) {
+        console.log(`Error with task-based execution: ${error}`);
+    }
+}
+async function cleanup() {
+    if (client && transport) {
+        try {
+            // First try to terminate the session gracefully
+            if (transport.sessionId) {
+                try {
+                    console.log('Terminating session before exit...');
+                    await transport.terminateSession();
+                    console.log('Session terminated successfully');
+                }
+                catch (error) {
+                    console.error('Error terminating session:', error);
+                }
+            }
+            // Then close the transport
+            await transport.close();
+        }
+        catch (error) {
+            console.error('Error closing transport:', error);
+        }
+    }
+    process.stdin.setRawMode(false);
+    readline.close();
+    console.log('\nGoodbye!');
+    process.exit(0);
+}
+// Set up raw mode for keyboard input to capture Escape key
+process.stdin.setRawMode(true);
+process.stdin.on('data', async (data) => {
+    // Check for Escape key (27)
+    if (data.length === 1 && data[0] === 27) {
+        console.log('\nESC key pressed. Disconnecting from server...');
+        // Abort current operation and disconnect from server
+        if (client && transport) {
+            await disconnect();
+            console.log('Disconnected. Press Enter to continue.');
+        }
+        else {
+            console.log('Not connected to server.');
+        }
+        // Re-display the prompt
+        process.stdout.write('> ');
+    }
+});
+// Handle Ctrl+C
+process.on('SIGINT', async () => {
+    console.log('\nReceived SIGINT. Cleaning up...');
+    await cleanup();
+});
+// Start the interactive client
+main().catch((error) => {
+    console.error('Error running MCP client:', error);
+    process.exit(1);
+});
+//# sourceMappingURL=simpleStreamableHttp.js.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/simpleTaskInteractiveClient.d.ts

@@ -0,0 +1,10 @@
+/**
+ * Simple interactive task client demonstrating elicitation and sampling responses.
+ *
+ * This client connects to simpleTaskInteractive.ts server and demonstrates:
+ * - Handling elicitation requests (y/n confirmation)
+ * - Handling sampling requests (returns a hardcoded haiku)
+ * - Using task-based tool execution with streaming
+ */
+export {};
+//# sourceMappingURL=simpleTaskInteractiveClient.d.ts.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/simpleTaskInteractiveClient.d.ts.map

@@ -0,0 +1 @@
+{"version":3,"file":"simpleTaskInteractiveClient.d.ts","sourceRoot":"","sources":["../../../../src/examples/client/simpleTaskInteractiveClient.ts"],"names":[],"mappings":"AAAA;;;;;;;GAOG"}

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/simpleTaskInteractiveClient.js

@@ -0,0 +1,155 @@
+/**
+ * Simple interactive task client demonstrating elicitation and sampling responses.
+ *
+ * This client connects to simpleTaskInteractive.ts server and demonstrates:
+ * - Handling elicitation requests (y/n confirmation)
+ * - Handling sampling requests (returns a hardcoded haiku)
+ * - Using task-based tool execution with streaming
+ */
+import { Client } from '../../client/index.js';
+import { StreamableHTTPClientTransport } from '../../client/streamableHttp.js';
+import { createInterface } from 'node:readline';
+import { CallToolResultSchema, ElicitRequestSchema, CreateMessageRequestSchema, ErrorCode, McpError } from '../../types.js';
+// Create readline interface for user input
+const readline = createInterface({
+    input: process.stdin,
+    output: process.stdout
+});
+function question(prompt) {
+    return new Promise(resolve => {
+        readline.question(prompt, answer => {
+            resolve(answer.trim());
+        });
+    });
+}
+function getTextContent(result) {
+    const textContent = result.content.find((c) => c.type === 'text');
+    return textContent?.text ?? '(no text)';
+}
+async function elicitationCallback(params) {
+    console.log(`\n[Elicitation] Server asks: ${params.message}`);
+    // Simple terminal prompt for y/n
+    const response = await question('Your response (y/n): ');
+    const confirmed = ['y', 'yes', 'true', '1'].includes(response.toLowerCase());
+    console.log(`[Elicitation] Responding with: confirm=${confirmed}`);
+    return { action: 'accept', content: { confirm: confirmed } };
+}
+async function samplingCallback(params) {
+    // Get the prompt from the first message
+    let prompt = 'unknown';
+    if (params.messages && params.messages.length > 0) {
+        const firstMessage = params.messages[0];
+        const content = firstMessage.content;
+        if (typeof content === 'object' && !Array.isArray(content) && content.type === 'text' && 'text' in content) {
+            prompt = content.text;
+        }
+        else if (Array.isArray(content)) {
+            const textPart = content.find(c => c.type === 'text' && 'text' in c);
+            if (textPart && 'text' in textPart) {
+                prompt = textPart.text;
+            }
+        }
+    }
+    console.log(`\n[Sampling] Server requests LLM completion for: ${prompt}`);
+    // Return a hardcoded haiku (in real use, call your LLM here)
+    const haiku = `Cherry blossoms fall
+Softly on the quiet pond
+Spring whispers goodbye`;
+    console.log('[Sampling] Responding with haiku');
+    return {
+        model: 'mock-haiku-model',
+        role: 'assistant',
+        content: { type: 'text', text: haiku }
+    };
+}
+async function run(url) {
+    console.log('Simple Task Interactive Client');
+    console.log('==============================');
+    console.log(`Connecting to ${url}...`);
+    // Create client with elicitation and sampling capabilities
+    const client = new Client({ name: 'simple-task-interactive-client', version: '1.0.0' }, {
+        capabilities: {
+            elicitation: { form: {} },
+            sampling: {}
+        }
+    });
+    // Set up elicitation request handler
+    client.setRequestHandler(ElicitRequestSchema, async (request) => {
+        if (request.params.mode && request.params.mode !== 'form') {
+            throw new McpError(ErrorCode.InvalidParams, `Unsupported elicitation mode: ${request.params.mode}`);
+        }
+        return elicitationCallback(request.params);
+    });
+    // Set up sampling request handler
+    client.setRequestHandler(CreateMessageRequestSchema, async (request) => {
+        return samplingCallback(request.params);
+    });
+    // Connect to server
+    const transport = new StreamableHTTPClientTransport(new URL(url));
+    await client.connect(transport);
+    console.log('Connected!\n');
+    // List tools
+    const toolsResult = await client.listTools();
+    console.log(`Available tools: ${toolsResult.tools.map(t => t.name).join(', ')}`);
+    // Demo 1: Elicitation (confirm_delete)
+    console.log('\n--- Demo 1: Elicitation ---');
+    console.log('Calling confirm_delete tool...');
+    const confirmStream = client.experimental.tasks.callToolStream({ name: 'confirm_delete', arguments: { filename: 'important.txt' } }, CallToolResultSchema, { task: { ttl: 60000 } });
+    for await (const message of confirmStream) {
+        switch (message.type) {
+            case 'taskCreated':
+                console.log(`Task created: ${message.task.taskId}`);
+                break;
+            case 'taskStatus':
+                console.log(`Task status: ${message.task.status}`);
+                break;
+            case 'result':
+                console.log(`Result: ${getTextContent(message.result)}`);
+                break;
+            case 'error':
+                console.error(`Error: ${message.error}`);
+                break;
+        }
+    }
+    // Demo 2: Sampling (write_haiku)
+    console.log('\n--- Demo 2: Sampling ---');
+    console.log('Calling write_haiku tool...');
+    const haikuStream = client.experimental.tasks.callToolStream({ name: 'write_haiku', arguments: { topic: 'autumn leaves' } }, CallToolResultSchema, {
+        task: { ttl: 60000 }
+    });
+    for await (const message of haikuStream) {
+        switch (message.type) {
+            case 'taskCreated':
+                console.log(`Task created: ${message.task.taskId}`);
+                break;
+            case 'taskStatus':
+                console.log(`Task status: ${message.task.status}`);
+                break;
+            case 'result':
+                console.log(`Result:\n${getTextContent(message.result)}`);
+                break;
+            case 'error':
+                console.error(`Error: ${message.error}`);
+                break;
+        }
+    }
+    // Cleanup
+    console.log('\nDemo complete. Closing connection...');
+    await transport.close();
+    readline.close();
+}
+// Parse command line arguments
+const args = process.argv.slice(2);
+let url = 'http://localhost:8000/mcp';
+for (let i = 0; i < args.length; i++) {
+    if (args[i] === '--url' && args[i + 1]) {
+        url = args[i + 1];
+        i++;
+    }
+}
+// Run the client
+run(url).catch(error => {
+    console.error('Error running client:', error);
+    process.exit(1);
+});
+//# sourceMappingURL=simpleTaskInteractiveClient.js.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/ssePollingClient.d.ts

@@ -0,0 +1,2 @@
+export {};
+//# sourceMappingURL=ssePollingClient.d.ts.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/ssePollingClient.d.ts.map

@@ -0,0 +1 @@
+{"version":3,"file":"ssePollingClient.d.ts","sourceRoot":"","sources":["../../../../src/examples/client/ssePollingClient.ts"],"names":[],"mappings":""}

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/ssePollingClient.js

@@ -0,0 +1,93 @@
+/**
+ * SSE Polling Example Client (SEP-1699)
+ *
+ * This example demonstrates client-side behavior during server-initiated
+ * SSE stream disconnection and automatic reconnection.
+ *
+ * Key features demonstrated:
+ * - Automatic reconnection when server closes SSE stream
+ * - Event replay via Last-Event-ID header
+ * - Resumption token tracking via onresumptiontoken callback
+ *
+ * Run with: npx tsx src/examples/client/ssePollingClient.ts
+ * Requires: ssePollingExample.ts server running on port 3001
+ */
+import { Client } from '../../client/index.js';
+import { StreamableHTTPClientTransport } from '../../client/streamableHttp.js';
+import { CallToolResultSchema, LoggingMessageNotificationSchema } from '../../types.js';
+const SERVER_URL = 'http://localhost:3001/mcp';
+async function main() {
+    console.log('SSE Polling Example Client');
+    console.log('==========================');
+    console.log(`Connecting to ${SERVER_URL}...`);
+    console.log('');
+    // Create transport with reconnection options
+    const transport = new StreamableHTTPClientTransport(new URL(SERVER_URL), {
+    // Use default reconnection options - SDK handles automatic reconnection
+    });
+    // Track the last event ID for debugging
+    let lastEventId;
+    // Set up transport error handler to observe disconnections
+    // Filter out expected errors from SSE reconnection
+    transport.onerror = error => {
+        // Skip abort errors during intentional close
+        if (error.message.includes('AbortError'))
+            return;
+        // Show SSE disconnect (expected when server closes stream)
+        if (error.message.includes('Unexpected end of JSON')) {
+            console.log('[Transport] SSE stream disconnected - client will auto-reconnect');
+            return;
+        }
+        console.log(`[Transport] Error: ${error.message}`);
+    };
+    // Set up transport close handler
+    transport.onclose = () => {
+        console.log('[Transport] Connection closed');
+    };
+    // Create and connect client
+    const client = new Client({
+        name: 'sse-polling-client',
+        version: '1.0.0'
+    });
+    // Set up notification handler to receive progress updates
+    client.setNotificationHandler(LoggingMessageNotificationSchema, notification => {
+        const data = notification.params.data;
+        console.log(`[Notification] ${data}`);
+    });
+    try {
+        await client.connect(transport);
+        console.log('[Client] Connected successfully');
+        console.log('');
+        // Call the long-task tool
+        console.log('[Client] Calling long-task tool...');
+        console.log('[Client] Server will disconnect mid-task to demonstrate polling');
+        console.log('');
+        const result = await client.request({
+            method: 'tools/call',
+            params: {
+                name: 'long-task',
+                arguments: {}
+            }
+        }, CallToolResultSchema, {
+            // Track resumption tokens for debugging
+            onresumptiontoken: token => {
+                lastEventId = token;
+                console.log(`[Event ID] ${token}`);
+            }
+        });
+        console.log('');
+        console.log('[Client] Tool completed!');
+        console.log(`[Result] ${JSON.stringify(result.content, null, 2)}`);
+        console.log('');
+        console.log(`[Debug] Final event ID: ${lastEventId}`);
+    }
+    catch (error) {
+        console.error('[Error]', error);
+    }
+    finally {
+        await transport.close();
+        console.log('[Client] Disconnected');
+    }
+}
+main().catch(console.error);
+//# sourceMappingURL=ssePollingClient.js.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/ssePollingClient.js.map

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node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/streamableHttpWithSseFallbackClient.d.ts

@@ -0,0 +1,2 @@
+export {};
+//# sourceMappingURL=streamableHttpWithSseFallbackClient.d.ts.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/streamableHttpWithSseFallbackClient.d.ts.map

@@ -0,0 +1 @@
+{"version":3,"file":"streamableHttpWithSseFallbackClient.d.ts","sourceRoot":"","sources":["../../../../src/examples/client/streamableHttpWithSseFallbackClient.ts"],"names":[],"mappings":""}

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/streamableHttpWithSseFallbackClient.js

@@ -0,0 +1,166 @@
+import { Client } from '../../client/index.js';
+import { StreamableHTTPClientTransport } from '../../client/streamableHttp.js';
+import { SSEClientTransport } from '../../client/sse.js';
+import { ListToolsResultSchema, CallToolResultSchema, LoggingMessageNotificationSchema } from '../../types.js';
+/**
+ * Simplified Backwards Compatible MCP Client
+ *
+ * This client demonstrates backward compatibility with both:
+ * 1. Modern servers using Streamable HTTP transport (protocol version 2025-03-26)
+ * 2. Older servers using HTTP+SSE transport (protocol version 2024-11-05)
+ *
+ * Following the MCP specification for backwards compatibility:
+ * - Attempts to POST an initialize request to the server URL first (modern transport)
+ * - If that fails with 4xx status, falls back to GET request for SSE stream (older transport)
+ */
+// Command line args processing
+const args = process.argv.slice(2);
+const serverUrl = args[0] || 'http://localhost:3000/mcp';
+async function main() {
+    console.log('MCP Backwards Compatible Client');
+    console.log('===============================');
+    console.log(`Connecting to server at: ${serverUrl}`);
+    let client;
+    let transport;
+    try {
+        // Try connecting with automatic transport detection
+        const connection = await connectWithBackwardsCompatibility(serverUrl);
+        client = connection.client;
+        transport = connection.transport;
+        // Set up notification handler
+        client.setNotificationHandler(LoggingMessageNotificationSchema, notification => {
+            console.log(`Notification: ${notification.params.level} - ${notification.params.data}`);
+        });
+        // DEMO WORKFLOW:
+        // 1. List available tools
+        console.log('\n=== Listing Available Tools ===');
+        await listTools(client);
+        // 2. Call the notification tool
+        console.log('\n=== Starting Notification Stream ===');
+        await startNotificationTool(client);
+        // 3. Wait for all notifications (5 seconds)
+        console.log('\n=== Waiting for all notifications ===');
+        await new Promise(resolve => setTimeout(resolve, 5000));
+        // 4. Disconnect
+        console.log('\n=== Disconnecting ===');
+        await transport.close();
+        console.log('Disconnected from MCP server');
+    }
+    catch (error) {
+        console.error('Error running client:', error);
+        process.exit(1);
+    }
+}
+/**
+ * Connect to an MCP server with backwards compatibility
+ * Following the spec for client backward compatibility
+ */
+async function connectWithBackwardsCompatibility(url) {
+    console.log('1. Trying Streamable HTTP transport first...');
+    // Step 1: Try Streamable HTTP transport first
+    const client = new Client({
+        name: 'backwards-compatible-client',
+        version: '1.0.0'
+    });
+    client.onerror = error => {
+        console.error('Client error:', error);
+    };
+    const baseUrl = new URL(url);
+    try {
+        // Create modern transport
+        const streamableTransport = new StreamableHTTPClientTransport(baseUrl);
+        await client.connect(streamableTransport);
+        console.log('Successfully connected using modern Streamable HTTP transport.');
+        return {
+            client,
+            transport: streamableTransport,
+            transportType: 'streamable-http'
+        };
+    }
+    catch (error) {
+        // Step 2: If transport fails, try the older SSE transport
+        console.log(`StreamableHttp transport connection failed: ${error}`);
+        console.log('2. Falling back to deprecated HTTP+SSE transport...');
+        try {
+            // Create SSE transport pointing to /sse endpoint
+            const sseTransport = new SSEClientTransport(baseUrl);
+            const sseClient = new Client({
+                name: 'backwards-compatible-client',
+                version: '1.0.0'
+            });
+            await sseClient.connect(sseTransport);
+            console.log('Successfully connected using deprecated HTTP+SSE transport.');
+            return {
+                client: sseClient,
+                transport: sseTransport,
+                transportType: 'sse'
+            };
+        }
+        catch (sseError) {
+            console.error(`Failed to connect with either transport method:\n1. Streamable HTTP error: ${error}\n2. SSE error: ${sseError}`);
+            throw new Error('Could not connect to server with any available transport');
+        }
+    }
+}
+/**
+ * List available tools on the server
+ */
+async function listTools(client) {
+    try {
+        const toolsRequest = {
+            method: 'tools/list',
+            params: {}
+        };
+        const toolsResult = await client.request(toolsRequest, ListToolsResultSchema);
+        console.log('Available tools:');
+        if (toolsResult.tools.length === 0) {
+            console.log('  No tools available');
+        }
+        else {
+            for (const tool of toolsResult.tools) {
+                console.log(`  - ${tool.name}: ${tool.description}`);
+            }
+        }
+    }
+    catch (error) {
+        console.log(`Tools not supported by this server: ${error}`);
+    }
+}
+/**
+ * Start a notification stream by calling the notification tool
+ */
+async function startNotificationTool(client) {
+    try {
+        // Call the notification tool using reasonable defaults
+        const request = {
+            method: 'tools/call',
+            params: {
+                name: 'start-notification-stream',
+                arguments: {
+                    interval: 1000, // 1 second between notifications
+                    count: 5 // Send 5 notifications
+                }
+            }
+        };
+        console.log('Calling notification tool...');
+        const result = await client.request(request, CallToolResultSchema);
+        console.log('Tool result:');
+        result.content.forEach(item => {
+            if (item.type === 'text') {
+                console.log(`  ${item.text}`);
+            }
+            else {
+                console.log(`  ${item.type} content:`, item);
+            }
+        });
+    }
+    catch (error) {
+        console.log(`Error calling notification tool: ${error}`);
+    }
+}
+// Start the client
+main().catch((error) => {
+    console.error('Error running MCP client:', error);
+    process.exit(1);
+});
+//# sourceMappingURL=streamableHttpWithSseFallbackClient.js.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/streamableHttpWithSseFallbackClient.js.map

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node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/demoInMemoryOAuthProvider.d.ts

@@ -0,0 +1,78 @@
+import { AuthorizationParams, OAuthServerProvider } from '../../server/auth/provider.js';
+import { OAuthRegisteredClientsStore } from '../../server/auth/clients.js';
+import { OAuthClientInformationFull, OAuthMetadata, OAuthTokens } from '../../shared/auth.js';
+import { Response } from 'express';
+import { AuthInfo } from '../../server/auth/types.js';
+export declare class DemoInMemoryClientsStore implements OAuthRegisteredClientsStore {
+    private clients;
+    getClient(clientId: string): Promise<{
+        redirect_uris: string[];
+        client_id: string;
+        token_endpoint_auth_method?: string | undefined;
+        grant_types?: string[] | undefined;
+        response_types?: string[] | undefined;
+        client_name?: string | undefined;
+        client_uri?: string | undefined;
+        logo_uri?: string | undefined;
+        scope?: string | undefined;
+        contacts?: string[] | undefined;
+        tos_uri?: string | undefined;
+        policy_uri?: string | undefined;
+        jwks_uri?: string | undefined;
+        jwks?: any;
+        software_id?: string | undefined;
+        software_version?: string | undefined;
+        software_statement?: string | undefined;
+        client_secret?: string | undefined;
+        client_id_issued_at?: number | undefined;
+        client_secret_expires_at?: number | undefined;
+    } | undefined>;
+    registerClient(clientMetadata: OAuthClientInformationFull): Promise<{
+        redirect_uris: string[];
+        client_id: string;
+        token_endpoint_auth_method?: string | undefined;
+        grant_types?: string[] | undefined;
+        response_types?: string[] | undefined;
+        client_name?: string | undefined;
+        client_uri?: string | undefined;
+        logo_uri?: string | undefined;
+        scope?: string | undefined;
+        contacts?: string[] | undefined;
+        tos_uri?: string | undefined;
+        policy_uri?: string | undefined;
+        jwks_uri?: string | undefined;
+        jwks?: any;
+        software_id?: string | undefined;
+        software_version?: string | undefined;
+        software_statement?: string | undefined;
+        client_secret?: string | undefined;
+        client_id_issued_at?: number | undefined;
+        client_secret_expires_at?: number | undefined;
+    }>;
+}
+/**
+ * 🚨 DEMO ONLY - NOT FOR PRODUCTION
+ *
+ * This example demonstrates MCP OAuth flow but lacks some of the features required for production use,
+ * for example:
+ * - Persistent token storage
+ * - Rate limiting
+ */
+export declare class DemoInMemoryAuthProvider implements OAuthServerProvider {
+    private validateResource?;
+    clientsStore: DemoInMemoryClientsStore;
+    private codes;
+    private tokens;
+    constructor(validateResource?: ((resource?: URL) => boolean) | undefined);
+    authorize(client: OAuthClientInformationFull, params: AuthorizationParams, res: Response): Promise<void>;
+    challengeForAuthorizationCode(client: OAuthClientInformationFull, authorizationCode: string): Promise<string>;
+    exchangeAuthorizationCode(client: OAuthClientInformationFull, authorizationCode: string, _codeVerifier?: string): Promise<OAuthTokens>;
+    exchangeRefreshToken(_client: OAuthClientInformationFull, _refreshToken: string, _scopes?: string[], _resource?: URL): Promise<OAuthTokens>;
+    verifyAccessToken(token: string): Promise<AuthInfo>;
+}
+export declare const setupAuthServer: ({ authServerUrl, mcpServerUrl, strictResource }: {
+    authServerUrl: URL;
+    mcpServerUrl: URL;
+    strictResource: boolean;
+}) => OAuthMetadata;
+//# sourceMappingURL=demoInMemoryOAuthProvider.d.ts.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/demoInMemoryOAuthProvider.d.ts.map

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node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/demoInMemoryOAuthProvider.js

@@ -0,0 +1,196 @@
+import { randomUUID } from 'node:crypto';
+import express from 'express';
+import { createOAuthMetadata, mcpAuthRouter } from '../../server/auth/router.js';
+import { resourceUrlFromServerUrl } from '../../shared/auth-utils.js';
+import { InvalidRequestError } from '../../server/auth/errors.js';
+export class DemoInMemoryClientsStore {
+    constructor() {
+        this.clients = new Map();
+    }
+    async getClient(clientId) {
+        return this.clients.get(clientId);
+    }
+    async registerClient(clientMetadata) {
+        this.clients.set(clientMetadata.client_id, clientMetadata);
+        return clientMetadata;
+    }
+}
+/**
+ * 🚨 DEMO ONLY - NOT FOR PRODUCTION
+ *
+ * This example demonstrates MCP OAuth flow but lacks some of the features required for production use,
+ * for example:
+ * - Persistent token storage
+ * - Rate limiting
+ */
+export class DemoInMemoryAuthProvider {
+    constructor(validateResource) {
+        this.validateResource = validateResource;
+        this.clientsStore = new DemoInMemoryClientsStore();
+        this.codes = new Map();
+        this.tokens = new Map();
+    }
+    async authorize(client, params, res) {
+        const code = randomUUID();
+        const searchParams = new URLSearchParams({
+            code
+        });
+        if (params.state !== undefined) {
+            searchParams.set('state', params.state);
+        }
+        this.codes.set(code, {
+            client,
+            params
+        });
+        // Simulate a user login
+        // Set a secure HTTP-only session cookie with authorization info
+        if (res.cookie) {
+            const authCookieData = {
+                userId: 'demo_user',
+                name: 'Demo User',
+                timestamp: Date.now()
+            };
+            res.cookie('demo_session', JSON.stringify(authCookieData), {
+                httpOnly: true,
+                secure: false, // In production, this should be true
+                sameSite: 'lax',
+                maxAge: 24 * 60 * 60 * 1000, // 24 hours - for demo purposes
+                path: '/' // Available to all routes
+            });
+        }
+        if (!client.redirect_uris.includes(params.redirectUri)) {
+            throw new InvalidRequestError('Unregistered redirect_uri');
+        }
+        const targetUrl = new URL(params.redirectUri);
+        targetUrl.search = searchParams.toString();
+        res.redirect(targetUrl.toString());
+    }
+    async challengeForAuthorizationCode(client, authorizationCode) {
+        // Store the challenge with the code data
+        const codeData = this.codes.get(authorizationCode);
+        if (!codeData) {
+            throw new Error('Invalid authorization code');
+        }
+        return codeData.params.codeChallenge;
+    }
+    async exchangeAuthorizationCode(client, authorizationCode, 
+    // Note: code verifier is checked in token.ts by default
+    // it's unused here for that reason.
+    _codeVerifier) {
+        const codeData = this.codes.get(authorizationCode);
+        if (!codeData) {
+            throw new Error('Invalid authorization code');
+        }
+        if (codeData.client.client_id !== client.client_id) {
+            throw new Error(`Authorization code was not issued to this client, ${codeData.client.client_id} != ${client.client_id}`);
+        }
+        if (this.validateResource && !this.validateResource(codeData.params.resource)) {
+            throw new Error(`Invalid resource: ${codeData.params.resource}`);
+        }
+        this.codes.delete(authorizationCode);
+        const token = randomUUID();
+        const tokenData = {
+            token,
+            clientId: client.client_id,
+            scopes: codeData.params.scopes || [],
+            expiresAt: Date.now() + 3600000, // 1 hour
+            resource: codeData.params.resource,
+            type: 'access'
+        };
+        this.tokens.set(token, tokenData);
+        return {
+            access_token: token,
+            token_type: 'bearer',
+            expires_in: 3600,
+            scope: (codeData.params.scopes || []).join(' ')
+        };
+    }
+    async exchangeRefreshToken(_client, _refreshToken, _scopes, _resource) {
+        throw new Error('Not implemented for example demo');
+    }
+    async verifyAccessToken(token) {
+        const tokenData = this.tokens.get(token);
+        if (!tokenData || !tokenData.expiresAt || tokenData.expiresAt < Date.now()) {
+            throw new Error('Invalid or expired token');
+        }
+        return {
+            token,
+            clientId: tokenData.clientId,
+            scopes: tokenData.scopes,
+            expiresAt: Math.floor(tokenData.expiresAt / 1000),
+            resource: tokenData.resource
+        };
+    }
+}
+export const setupAuthServer = ({ authServerUrl, mcpServerUrl, strictResource }) => {
+    // Create separate auth server app
+    // NOTE: This is a separate app on a separate port to illustrate
+    // how to separate an OAuth Authorization Server from a Resource
+    // server in the SDK. The SDK is not intended to be provide a standalone
+    // authorization server.
+    const validateResource = strictResource
+        ? (resource) => {
+            if (!resource)
+                return false;
+            const expectedResource = resourceUrlFromServerUrl(mcpServerUrl);
+            return resource.toString() === expectedResource.toString();
+        }
+        : undefined;
+    const provider = new DemoInMemoryAuthProvider(validateResource);
+    const authApp = express();
+    authApp.use(express.json());
+    // For introspection requests
+    authApp.use(express.urlencoded());
+    // Add OAuth routes to the auth server
+    // NOTE: this will also add a protected resource metadata route,
+    // but it won't be used, so leave it.
+    authApp.use(mcpAuthRouter({
+        provider,
+        issuerUrl: authServerUrl,
+        scopesSupported: ['mcp:tools']
+    }));
+    authApp.post('/introspect', async (req, res) => {
+        try {
+            const { token } = req.body;
+            if (!token) {
+                res.status(400).json({ error: 'Token is required' });
+                return;
+            }
+            const tokenInfo = await provider.verifyAccessToken(token);
+            res.json({
+                active: true,
+                client_id: tokenInfo.clientId,
+                scope: tokenInfo.scopes.join(' '),
+                exp: tokenInfo.expiresAt,
+                aud: tokenInfo.resource
+            });
+            return;
+        }
+        catch (error) {
+            res.status(401).json({
+                active: false,
+                error: 'Unauthorized',
+                error_description: `Invalid token: ${error}`
+            });
+        }
+    });
+    const auth_port = authServerUrl.port;
+    // Start the auth server
+    authApp.listen(auth_port, error => {
+        if (error) {
+            console.error('Failed to start server:', error);
+            process.exit(1);
+        }
+        console.log(`OAuth Authorization Server listening on port ${auth_port}`);
+    });
+    // Note: we could fetch this from the server, but then we end up
+    // with some top level async which gets annoying.
+    const oauthMetadata = createOAuthMetadata({
+        provider,
+        issuerUrl: authServerUrl,
+        scopesSupported: ['mcp:tools']
+    });
+    oauthMetadata.introspection_endpoint = new URL('/introspect', authServerUrl).href;
+    return oauthMetadata;
+};
+//# sourceMappingURL=demoInMemoryOAuthProvider.js.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/elicitationFormExample.d.ts

@@ -0,0 +1,2 @@
+export {};
+//# sourceMappingURL=elicitationFormExample.d.ts.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/elicitationFormExample.d.ts.map

@@ -0,0 +1 @@
+{"version":3,"file":"elicitationFormExample.d.ts","sourceRoot":"","sources":["../../../../src/examples/server/elicitationFormExample.ts"],"names":[],"mappings":""}

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/elicitationFormExample.js

@@ -0,0 +1,458 @@
+// Run with: npx tsx src/examples/server/elicitationFormExample.ts
+//
+// This example demonstrates how to use form elicitation to collect structured user input
+// with JSON Schema validation via a local HTTP server with SSE streaming.
+// Form elicitation allows servers to request *non-sensitive* user input through the client
+// with schema-based validation.
+// Note: See also elicitationUrlExample.ts for an example of using URL elicitation
+// to collect *sensitive* user input via a browser.
+import { randomUUID } from 'node:crypto';
+import { McpServer } from '../../server/mcp.js';
+import { StreamableHTTPServerTransport } from '../../server/streamableHttp.js';
+import { isInitializeRequest } from '../../types.js';
+import { createMcpExpressApp } from '../../server/express.js';
+// Factory to create a new MCP server per session.
+// Each session needs its own server+transport pair to avoid cross-session contamination.
+const getServer = () => {
+    // Create MCP server - it will automatically use AjvJsonSchemaValidator with sensible defaults
+    // The validator supports format validation (email, date, etc.) if ajv-formats is installed
+    const mcpServer = new McpServer({
+        name: 'form-elicitation-example-server',
+        version: '1.0.0'
+    }, {
+        capabilities: {}
+    });
+    /**
+     * Example 1: Simple user registration tool
+     * Collects username, email, and password from the user
+     */
+    mcpServer.registerTool('register_user', {
+        description: 'Register a new user account by collecting their information',
+        inputSchema: {}
+    }, async () => {
+        try {
+            // Request user information through form elicitation
+            const result = await mcpServer.server.elicitInput({
+                mode: 'form',
+                message: 'Please provide your registration information:',
+                requestedSchema: {
+                    type: 'object',
+                    properties: {
+                        username: {
+                            type: 'string',
+                            title: 'Username',
+                            description: 'Your desired username (3-20 characters)',
+                            minLength: 3,
+                            maxLength: 20
+                        },
+                        email: {
+                            type: 'string',
+                            title: 'Email',
+                            description: 'Your email address',
+                            format: 'email'
+                        },
+                        password: {
+                            type: 'string',
+                            title: 'Password',
+                            description: 'Your password (min 8 characters)',
+                            minLength: 8
+                        },
+                        newsletter: {
+                            type: 'boolean',
+                            title: 'Newsletter',
+                            description: 'Subscribe to newsletter?',
+                            default: false
+                        },
+                        role: {
+                            type: 'string',
+                            title: 'Role',
+                            description: 'Your primary role',
+                            oneOf: [
+                                { const: 'developer', title: 'Developer' },
+                                { const: 'designer', title: 'Designer' },
+                                { const: 'manager', title: 'Manager' },
+                                { const: 'other', title: 'Other' }
+                            ],
+                            default: 'developer'
+                        },
+                        interests: {
+                            type: 'array',
+                            title: 'Interests',
+                            description: 'Select your areas of interest',
+                            items: {
+                                type: 'string',
+                                enum: ['frontend', 'backend', 'mobile', 'devops', 'ai']
+                            },
+                            minItems: 1,
+                            maxItems: 3
+                        }
+                    },
+                    required: ['username', 'email', 'password']
+                }
+            });
+            // Handle the different possible actions
+            if (result.action === 'accept' && result.content) {
+                const { username, email, newsletter } = result.content;
+                return {
+                    content: [
+                        {
+                            type: 'text',
+                            text: `Registration successful!\n\nUsername: ${username}\nEmail: ${email}\nNewsletter: ${newsletter ? 'Yes' : 'No'}`
+                        }
+                    ]
+                };
+            }
+            else if (result.action === 'decline') {
+                return {
+                    content: [
+                        {
+                            type: 'text',
+                            text: 'Registration cancelled by user.'
+                        }
+                    ]
+                };
+            }
+            else {
+                return {
+                    content: [
+                        {
+                            type: 'text',
+                            text: 'Registration was cancelled.'
+                        }
+                    ]
+                };
+            }
+        }
+        catch (error) {
+            return {
+                content: [
+                    {
+                        type: 'text',
+                        text: `Registration failed: ${error instanceof Error ? error.message : String(error)}`
+                    }
+                ],
+                isError: true
+            };
+        }
+    });
+    /**
+     * Example 2: Multi-step workflow with multiple form elicitation requests
+     * Demonstrates how to collect information in multiple steps
+     */
+    mcpServer.registerTool('create_event', {
+        description: 'Create a calendar event by collecting event details',
+        inputSchema: {}
+    }, async () => {
+        try {
+            // Step 1: Collect basic event information
+            const basicInfo = await mcpServer.server.elicitInput({
+                mode: 'form',
+                message: 'Step 1: Enter basic event information',
+                requestedSchema: {
+                    type: 'object',
+                    properties: {
+                        title: {
+                            type: 'string',
+                            title: 'Event Title',
+                            description: 'Name of the event',
+                            minLength: 1
+                        },
+                        description: {
+                            type: 'string',
+                            title: 'Description',
+                            description: 'Event description (optional)'
+                        }
+                    },
+                    required: ['title']
+                }
+            });
+            if (basicInfo.action !== 'accept' || !basicInfo.content) {
+                return {
+                    content: [{ type: 'text', text: 'Event creation cancelled.' }]
+                };
+            }
+            // Step 2: Collect date and time
+            const dateTime = await mcpServer.server.elicitInput({
+                mode: 'form',
+                message: 'Step 2: Enter date and time',
+                requestedSchema: {
+                    type: 'object',
+                    properties: {
+                        date: {
+                            type: 'string',
+                            title: 'Date',
+                            description: 'Event date',
+                            format: 'date'
+                        },
+                        startTime: {
+                            type: 'string',
+                            title: 'Start Time',
+                            description: 'Event start time (HH:MM)'
+                        },
+                        duration: {
+                            type: 'integer',
+                            title: 'Duration',
+                            description: 'Duration in minutes',
+                            minimum: 15,
+                            maximum: 480
+                        }
+                    },
+                    required: ['date', 'startTime', 'duration']
+                }
+            });
+            if (dateTime.action !== 'accept' || !dateTime.content) {
+                return {
+                    content: [{ type: 'text', text: 'Event creation cancelled.' }]
+                };
+            }
+            // Combine all collected information
+            const event = {
+                ...basicInfo.content,
+                ...dateTime.content
+            };
+            return {
+                content: [
+                    {
+                        type: 'text',
+                        text: `Event created successfully!\n\n${JSON.stringify(event, null, 2)}`
+                    }
+                ]
+            };
+        }
+        catch (error) {
+            return {
+                content: [
+                    {
+                        type: 'text',
+                        text: `Event creation failed: ${error instanceof Error ? error.message : String(error)}`
+                    }
+                ],
+                isError: true
+            };
+        }
+    });
+    /**
+     * Example 3: Collecting address information
+     * Demonstrates validation with patterns and optional fields
+     */
+    mcpServer.registerTool('update_shipping_address', {
+        description: 'Update shipping address with validation',
+        inputSchema: {}
+    }, async () => {
+        try {
+            const result = await mcpServer.server.elicitInput({
+                mode: 'form',
+                message: 'Please provide your shipping address:',
+                requestedSchema: {
+                    type: 'object',
+                    properties: {
+                        name: {
+                            type: 'string',
+                            title: 'Full Name',
+                            description: 'Recipient name',
+                            minLength: 1
+                        },
+                        street: {
+                            type: 'string',
+                            title: 'Street Address',
+                            minLength: 1
+                        },
+                        city: {
+                            type: 'string',
+                            title: 'City',
+                            minLength: 1
+                        },
+                        state: {
+                            type: 'string',
+                            title: 'State/Province',
+                            minLength: 2,
+                            maxLength: 2
+                        },
+                        zipCode: {
+                            type: 'string',
+                            title: 'ZIP/Postal Code',
+                            description: '5-digit ZIP code'
+                        },
+                        phone: {
+                            type: 'string',
+                            title: 'Phone Number (optional)',
+                            description: 'Contact phone number'
+                        }
+                    },
+                    required: ['name', 'street', 'city', 'state', 'zipCode']
+                }
+            });
+            if (result.action === 'accept' && result.content) {
+                return {
+                    content: [
+                        {
+                            type: 'text',
+                            text: `Address updated successfully!\n\n${JSON.stringify(result.content, null, 2)}`
+                        }
+                    ]
+                };
+            }
+            else if (result.action === 'decline') {
+                return {
+                    content: [{ type: 'text', text: 'Address update cancelled by user.' }]
+                };
+            }
+            else {
+                return {
+                    content: [{ type: 'text', text: 'Address update was cancelled.' }]
+                };
+            }
+        }
+        catch (error) {
+            return {
+                content: [
+                    {
+                        type: 'text',
+                        text: `Address update failed: ${error instanceof Error ? error.message : String(error)}`
+                    }
+                ],
+                isError: true
+            };
+        }
+    });
+    return mcpServer;
+};
+async function main() {
+    const PORT = process.env.PORT ? parseInt(process.env.PORT, 10) : 3000;
+    const app = createMcpExpressApp();
+    // Map to store transports by session ID
+    const transports = {};
+    // MCP POST endpoint
+    const mcpPostHandler = async (req, res) => {
+        const sessionId = req.headers['mcp-session-id'];
+        if (sessionId) {
+            console.log(`Received MCP request for session: ${sessionId}`);
+        }
+        try {
+            let transport;
+            if (sessionId && transports[sessionId]) {
+                // Reuse existing transport for this session
+                transport = transports[sessionId];
+            }
+            else if (!sessionId && isInitializeRequest(req.body)) {
+                // New initialization request - create new transport
+                transport = new StreamableHTTPServerTransport({
+                    sessionIdGenerator: () => randomUUID(),
+                    onsessioninitialized: sessionId => {
+                        // Store the transport by session ID when session is initialized
+                        console.log(`Session initialized with ID: ${sessionId}`);
+                        transports[sessionId] = transport;
+                    }
+                });
+                // Set up onclose handler to clean up transport when closed
+                transport.onclose = () => {
+                    const sid = transport.sessionId;
+                    if (sid && transports[sid]) {
+                        console.log(`Transport closed for session ${sid}, removing from transports map`);
+                        delete transports[sid];
+                    }
+                };
+                // Create a new server per session and connect it to the transport
+                const mcpServer = getServer();
+                await mcpServer.connect(transport);
+                await transport.handleRequest(req, res, req.body);
+                return;
+            }
+            else {
+                // Invalid request - no session ID or not initialization request
+                res.status(400).json({
+                    jsonrpc: '2.0',
+                    error: {
+                        code: -32000,
+                        message: 'Bad Request: No valid session ID provided'
+                    },
+                    id: null
+                });
+                return;
+            }
+            // Handle the request with existing transport
+            await transport.handleRequest(req, res, req.body);
+        }
+        catch (error) {
+            console.error('Error handling MCP request:', error);
+            if (!res.headersSent) {
+                res.status(500).json({
+                    jsonrpc: '2.0',
+                    error: {
+                        code: -32603,
+                        message: 'Internal server error'
+                    },
+                    id: null
+                });
+            }
+        }
+    };
+    app.post('/mcp', mcpPostHandler);
+    // Handle GET requests for SSE streams
+    const mcpGetHandler = async (req, res) => {
+        const sessionId = req.headers['mcp-session-id'];
+        if (!sessionId || !transports[sessionId]) {
+            res.status(400).send('Invalid or missing session ID');
+            return;
+        }
+        console.log(`Establishing SSE stream for session ${sessionId}`);
+        const transport = transports[sessionId];
+        await transport.handleRequest(req, res);
+    };
+    app.get('/mcp', mcpGetHandler);
+    // Handle DELETE requests for session termination
+    const mcpDeleteHandler = async (req, res) => {
+        const sessionId = req.headers['mcp-session-id'];
+        if (!sessionId || !transports[sessionId]) {
+            res.status(400).send('Invalid or missing session ID');
+            return;
+        }
+        console.log(`Received session termination request for session ${sessionId}`);
+        try {
+            const transport = transports[sessionId];
+            await transport.handleRequest(req, res);
+        }
+        catch (error) {
+            console.error('Error handling session termination:', error);
+            if (!res.headersSent) {
+                res.status(500).send('Error processing session termination');
+            }
+        }
+    };
+    app.delete('/mcp', mcpDeleteHandler);
+    // Start listening
+    app.listen(PORT, error => {
+        if (error) {
+            console.error('Failed to start server:', error);
+            process.exit(1);
+        }
+        console.log(`Form elicitation example server is running on http://localhost:${PORT}/mcp`);
+        console.log('Available tools:');
+        console.log('  - register_user: Collect user registration information');
+        console.log('  - create_event: Multi-step event creation');
+        console.log('  - update_shipping_address: Collect and validate address');
+        console.log('\nConnect your MCP client to this server using the HTTP transport.');
+    });
+    // Handle server shutdown
+    process.on('SIGINT', async () => {
+        console.log('Shutting down server...');
+        // Close all active transports to properly clean up resources
+        for (const sessionId in transports) {
+            try {
+                console.log(`Closing transport for session ${sessionId}`);
+                await transports[sessionId].close();
+                delete transports[sessionId];
+            }
+            catch (error) {
+                console.error(`Error closing transport for session ${sessionId}:`, error);
+            }
+        }
+        console.log('Server shutdown complete');
+        process.exit(0);
+    });
+}
+main().catch(error => {
+    console.error('Server error:', error);
+    process.exit(1);
+});
+//# sourceMappingURL=elicitationFormExample.js.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/elicitationUrlExample.d.ts

@@ -0,0 +1,2 @@
+export {};
+//# sourceMappingURL=elicitationUrlExample.d.ts.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/elicitationUrlExample.d.ts.map

@@ -0,0 +1 @@
+{"version":3,"file":"elicitationUrlExample.d.ts","sourceRoot":"","sources":["../../../../src/examples/server/elicitationUrlExample.ts"],"names":[],"mappings":""}

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/elicitationUrlExample.js

@@ -0,0 +1,651 @@
+// Run with: npx tsx src/examples/server/elicitationUrlExample.ts
+//
+// This example demonstrates how to use URL elicitation to securely collect
+// *sensitive* user input in a remote (HTTP) server.
+// URL elicitation allows servers to prompt the end-user to open a URL in their browser
+// to collect sensitive information.
+// Note: See also elicitationFormExample.ts for an example of using form (not URL) elicitation
+// to collect *non-sensitive* user input with a structured schema.
+import express from 'express';
+import { randomUUID } from 'node:crypto';
+import { z } from 'zod';
+import { McpServer } from '../../server/mcp.js';
+import { createMcpExpressApp } from '../../server/express.js';
+import { StreamableHTTPServerTransport } from '../../server/streamableHttp.js';
+import { getOAuthProtectedResourceMetadataUrl, mcpAuthMetadataRouter } from '../../server/auth/router.js';
+import { requireBearerAuth } from '../../server/auth/middleware/bearerAuth.js';
+import { UrlElicitationRequiredError, isInitializeRequest } from '../../types.js';
+import { InMemoryEventStore } from '../shared/inMemoryEventStore.js';
+import { setupAuthServer } from './demoInMemoryOAuthProvider.js';
+import { checkResourceAllowed } from '../../shared/auth-utils.js';
+import cors from 'cors';
+// Create an MCP server with implementation details
+const getServer = () => {
+    const mcpServer = new McpServer({
+        name: 'url-elicitation-http-server',
+        version: '1.0.0'
+    }, {
+        capabilities: { logging: {} }
+    });
+    mcpServer.registerTool('payment-confirm', {
+        description: 'A tool that confirms a payment directly with a user',
+        inputSchema: {
+            cartId: z.string().describe('The ID of the cart to confirm')
+        }
+    }, async ({ cartId }, extra) => {
+        /*
+    In a real world scenario, there would be some logic here to check if the user has the provided cartId.
+    For the purposes of this example, we'll throw an error (-> elicits the client to open a URL to confirm payment)
+    */
+        const sessionId = extra.sessionId;
+        if (!sessionId) {
+            throw new Error('Expected a Session ID');
+        }
+        // Create and track the elicitation
+        const elicitationId = generateTrackedElicitation(sessionId, elicitationId => mcpServer.server.createElicitationCompletionNotifier(elicitationId));
+        throw new UrlElicitationRequiredError([
+            {
+                mode: 'url',
+                message: 'This tool requires a payment confirmation. Open the link to confirm payment!',
+                url: `http://localhost:${MCP_PORT}/confirm-payment?session=${sessionId}&elicitation=${elicitationId}&cartId=${encodeURIComponent(cartId)}`,
+                elicitationId
+            }
+        ]);
+    });
+    mcpServer.registerTool('third-party-auth', {
+        description: 'A demo tool that requires third-party OAuth credentials',
+        inputSchema: {
+            param1: z.string().describe('First parameter')
+        }
+    }, async (_, extra) => {
+        /*
+    In a real world scenario, there would be some logic here to check if we already have a valid access token for the user.
+    Auth info (with a subject or `sub` claim) can be typically be found in `extra.authInfo`.
+    If we do, we can just return the result of the tool call.
+    If we don't, we can throw an ElicitationRequiredError to request the user to authenticate.
+    For the purposes of this example, we'll throw an error (-> elicits the client to open a URL to authenticate).
+  */
+        const sessionId = extra.sessionId;
+        if (!sessionId) {
+            throw new Error('Expected a Session ID');
+        }
+        // Create and track the elicitation
+        const elicitationId = generateTrackedElicitation(sessionId, elicitationId => mcpServer.server.createElicitationCompletionNotifier(elicitationId));
+        // Simulate OAuth callback and token exchange after 5 seconds
+        // In a real app, this would be called from your OAuth callback handler
+        setTimeout(() => {
+            console.log(`Simulating OAuth token received for elicitation ${elicitationId}`);
+            completeURLElicitation(elicitationId);
+        }, 5000);
+        throw new UrlElicitationRequiredError([
+            {
+                mode: 'url',
+                message: 'This tool requires access to your example.com account. Open the link to authenticate!',
+                url: 'https://www.example.com/oauth/authorize',
+                elicitationId
+            }
+        ]);
+    });
+    return mcpServer;
+};
+const elicitationsMap = new Map();
+// Clean up old elicitations after 1 hour to prevent memory leaks
+const ELICITATION_TTL_MS = 60 * 60 * 1000; // 1 hour
+const CLEANUP_INTERVAL_MS = 10 * 60 * 1000; // 10 minutes
+function cleanupOldElicitations() {
+    const now = new Date();
+    for (const [id, metadata] of elicitationsMap.entries()) {
+        if (now.getTime() - metadata.createdAt.getTime() > ELICITATION_TTL_MS) {
+            elicitationsMap.delete(id);
+            console.log(`Cleaned up expired elicitation: ${id}`);
+        }
+    }
+}
+setInterval(cleanupOldElicitations, CLEANUP_INTERVAL_MS);
+/**
+ * Elicitation IDs must be unique strings within the MCP session
+ * UUIDs are used in this example for simplicity
+ */
+function generateElicitationId() {
+    return randomUUID();
+}
+/**
+ * Helper function to create and track a new elicitation.
+ */
+function generateTrackedElicitation(sessionId, createCompletionNotifier) {
+    const elicitationId = generateElicitationId();
+    // Create a Promise and its resolver for tracking completion
+    let completeResolver;
+    const completedPromise = new Promise(resolve => {
+        completeResolver = resolve;
+    });
+    const completionNotifier = createCompletionNotifier ? createCompletionNotifier(elicitationId) : undefined;
+    // Store the elicitation in our map
+    elicitationsMap.set(elicitationId, {
+        status: 'pending',
+        completedPromise,
+        completeResolver: completeResolver,
+        createdAt: new Date(),
+        sessionId,
+        completionNotifier
+    });
+    return elicitationId;
+}
+/**
+ * Helper function to complete an elicitation.
+ */
+function completeURLElicitation(elicitationId) {
+    const elicitation = elicitationsMap.get(elicitationId);
+    if (!elicitation) {
+        console.warn(`Attempted to complete unknown elicitation: ${elicitationId}`);
+        return;
+    }
+    if (elicitation.status === 'complete') {
+        console.warn(`Elicitation already complete: ${elicitationId}`);
+        return;
+    }
+    // Update metadata
+    elicitation.status = 'complete';
+    // Send completion notification to the client
+    if (elicitation.completionNotifier) {
+        console.log(`Sending notifications/elicitation/complete notification for elicitation ${elicitationId}`);
+        elicitation.completionNotifier().catch(error => {
+            console.error(`Failed to send completion notification for elicitation ${elicitationId}:`, error);
+        });
+    }
+    // Resolve the promise to unblock any waiting code
+    elicitation.completeResolver();
+}
+const MCP_PORT = process.env.MCP_PORT ? parseInt(process.env.MCP_PORT, 10) : 3000;
+const AUTH_PORT = process.env.MCP_AUTH_PORT ? parseInt(process.env.MCP_AUTH_PORT, 10) : 3001;
+const app = createMcpExpressApp();
+// Allow CORS all domains, expose the Mcp-Session-Id header
+app.use(cors({
+    origin: '*', // Allow all origins
+    exposedHeaders: ['Mcp-Session-Id'],
+    credentials: true // Allow cookies to be sent cross-origin
+}));
+// Set up OAuth (required for this example)
+let authMiddleware = null;
+// Create auth middleware for MCP endpoints
+const mcpServerUrl = new URL(`http://localhost:${MCP_PORT}/mcp`);
+const authServerUrl = new URL(`http://localhost:${AUTH_PORT}`);
+const oauthMetadata = setupAuthServer({ authServerUrl, mcpServerUrl, strictResource: true });
+const tokenVerifier = {
+    verifyAccessToken: async (token) => {
+        const endpoint = oauthMetadata.introspection_endpoint;
+        if (!endpoint) {
+            throw new Error('No token verification endpoint available in metadata');
+        }
+        const response = await fetch(endpoint, {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/x-www-form-urlencoded'
+            },
+            body: new URLSearchParams({
+                token: token
+            }).toString()
+        });
+        if (!response.ok) {
+            const text = await response.text().catch(() => null);
+            throw new Error(`Invalid or expired token: ${text}`);
+        }
+        const data = await response.json();
+        if (!data.aud) {
+            throw new Error(`Resource Indicator (RFC8707) missing`);
+        }
+        if (!checkResourceAllowed({ requestedResource: data.aud, configuredResource: mcpServerUrl })) {
+            throw new Error(`Expected resource indicator ${mcpServerUrl}, got: ${data.aud}`);
+        }
+        // Convert the response to AuthInfo format
+        return {
+            token,
+            clientId: data.client_id,
+            scopes: data.scope ? data.scope.split(' ') : [],
+            expiresAt: data.exp
+        };
+    }
+};
+// Add metadata routes to the main MCP server
+app.use(mcpAuthMetadataRouter({
+    oauthMetadata,
+    resourceServerUrl: mcpServerUrl,
+    scopesSupported: ['mcp:tools'],
+    resourceName: 'MCP Demo Server'
+}));
+authMiddleware = requireBearerAuth({
+    verifier: tokenVerifier,
+    requiredScopes: [],
+    resourceMetadataUrl: getOAuthProtectedResourceMetadataUrl(mcpServerUrl)
+});
+/**
+ * API Key Form Handling
+ *
+ * Many servers today require an API key to operate, but there's no scalable way to do this dynamically for remote servers within MCP protocol.
+ * URL-mode elicitation enables the server to host a simple form and get the secret data securely from the user without involving the LLM or client.
+ **/
+async function sendApiKeyElicitation(sessionId, sender, createCompletionNotifier) {
+    if (!sessionId) {
+        console.error('No session ID provided');
+        throw new Error('Expected a Session ID to track elicitation');
+    }
+    console.log('🔑 URL elicitation demo: Requesting API key from client...');
+    const elicitationId = generateTrackedElicitation(sessionId, createCompletionNotifier);
+    try {
+        const result = await sender({
+            mode: 'url',
+            message: 'Please provide your API key to authenticate with this server',
+            // Host the form on the same server. In a real app, you might coordinate passing these state variables differently.
+            url: `http://localhost:${MCP_PORT}/api-key-form?session=${sessionId}&elicitation=${elicitationId}`,
+            elicitationId
+        });
+        switch (result.action) {
+            case 'accept':
+                console.log('🔑 URL elicitation demo: Client accepted the API key elicitation (now pending form submission)');
+                // Wait for the API key to be submitted via the form
+                // The form submission will complete the elicitation
+                break;
+            default:
+                console.log('🔑 URL elicitation demo: Client declined to provide an API key');
+                // In a real app, this might close the connection, but for the demo, we'll continue
+                break;
+        }
+    }
+    catch (error) {
+        console.error('Error during API key elicitation:', error);
+    }
+}
+// API Key Form endpoint - serves a simple HTML form
+app.get('/api-key-form', (req, res) => {
+    const mcpSessionId = req.query.session;
+    const elicitationId = req.query.elicitation;
+    if (!mcpSessionId || !elicitationId) {
+        res.status(400).send('<h1>Error</h1><p>Missing required parameters</p>');
+        return;
+    }
+    // Check for user session cookie
+    // In production, this is often handled by some user auth middleware to ensure the user has a valid session
+    // This session is different from the MCP session.
+    // This userSession is the cookie that the MCP Server's Authorization Server sets for the user when they log in.
+    const userSession = getUserSessionCookie(req.headers.cookie);
+    if (!userSession) {
+        res.status(401).send('<h1>Error</h1><p>Unauthorized - please reconnect to login again</p>');
+        return;
+    }
+    // Serve a simple HTML form
+    res.send(`
+    <!DOCTYPE html>
+    <html>
+    <head>
+      <title>Submit Your API Key</title>
+      <style>
+        body { font-family: sans-serif; max-width: 400px; margin: 50px auto; padding: 20px; }
+        input[type="text"] { width: 100%; padding: 8px; margin: 10px 0; box-sizing: border-box; }
+        button { background: #007bff; color: white; padding: 10px 20px; border: none; cursor: pointer; }
+        button:hover { background: #0056b3; }
+        .user { background: #d1ecf1; padding: 8px; margin-bottom: 10px; }
+        .info { color: #666; font-size: 0.9em; margin-top: 20px; }
+      </style>
+    </head>
+    <body>
+      <h1>API Key Required</h1>
+      <div class="user">✓ Logged in as: <strong>${userSession.name}</strong></div>
+      <form method="POST" action="/api-key-form">
+        <input type="hidden" name="session" value="${mcpSessionId}" />
+        <input type="hidden" name="elicitation" value="${elicitationId}" />
+        <label>API Key:<br>
+          <input type="text" name="apiKey" required placeholder="Enter your API key" />
+        </label>
+        <button type="submit">Submit</button>
+      </form>
+      <div class="info">This is a demo showing how a server can securely elicit sensitive data from a user using a URL.</div>
+    </body>
+    </html>
+  `);
+});
+// Handle API key form submission
+app.post('/api-key-form', express.urlencoded(), (req, res) => {
+    const { session: sessionId, apiKey, elicitation: elicitationId } = req.body;
+    if (!sessionId || !apiKey || !elicitationId) {
+        res.status(400).send('<h1>Error</h1><p>Missing required parameters</p>');
+        return;
+    }
+    // Check for user session cookie here too
+    const userSession = getUserSessionCookie(req.headers.cookie);
+    if (!userSession) {
+        res.status(401).send('<h1>Error</h1><p>Unauthorized - please reconnect to login again</p>');
+        return;
+    }
+    // A real app might store this API key to be used later for the user.
+    console.log(`🔑 Received API key \x1b[32m${apiKey}\x1b[0m for session ${sessionId}`);
+    // If we have an elicitationId, complete the elicitation
+    completeURLElicitation(elicitationId);
+    // Send a success response
+    res.send(`
+    <!DOCTYPE html>
+    <html>
+    <head>
+      <title>Success</title>
+      <style>
+        body { font-family: sans-serif; max-width: 400px; margin: 50px auto; padding: 20px; text-align: center; }
+        .success { background: #d4edda; color: #155724; padding: 20px; margin: 20px 0; }
+      </style>
+    </head>
+    <body>
+      <div class="success">
+        <h1>Success ✓</h1>
+        <p>API key received.</p>
+      </div>
+      <p>You can close this window and return to your MCP client.</p>
+    </body>
+    </html>
+  `);
+});
+// Helper to get the user session from the demo_session cookie
+function getUserSessionCookie(cookieHeader) {
+    if (!cookieHeader)
+        return null;
+    const cookies = cookieHeader.split(';');
+    for (const cookie of cookies) {
+        const [name, value] = cookie.trim().split('=');
+        if (name === 'demo_session' && value) {
+            try {
+                return JSON.parse(decodeURIComponent(value));
+            }
+            catch (error) {
+                console.error('Failed to parse demo_session cookie:', error);
+                return null;
+            }
+        }
+    }
+    return null;
+}
+/**
+ * Payment Confirmation Form Handling
+ *
+ * This demonstrates how a server can use URL-mode elicitation to get user confirmation
+ * for sensitive operations like payment processing.
+ **/
+// Payment Confirmation Form endpoint - serves a simple HTML form
+app.get('/confirm-payment', (req, res) => {
+    const mcpSessionId = req.query.session;
+    const elicitationId = req.query.elicitation;
+    const cartId = req.query.cartId;
+    if (!mcpSessionId || !elicitationId) {
+        res.status(400).send('<h1>Error</h1><p>Missing required parameters</p>');
+        return;
+    }
+    // Check for user session cookie
+    // In production, this is often handled by some user auth middleware to ensure the user has a valid session
+    // This session is different from the MCP session.
+    // This userSession is the cookie that the MCP Server's Authorization Server sets for the user when they log in.
+    const userSession = getUserSessionCookie(req.headers.cookie);
+    if (!userSession) {
+        res.status(401).send('<h1>Error</h1><p>Unauthorized - please reconnect to login again</p>');
+        return;
+    }
+    // Serve a simple HTML form
+    res.send(`
+    <!DOCTYPE html>
+    <html>
+    <head>
+      <title>Confirm Payment</title>
+      <style>
+        body { font-family: sans-serif; max-width: 400px; margin: 50px auto; padding: 20px; }
+        button { background: #28a745; color: white; padding: 12px 24px; border: none; cursor: pointer; font-size: 16px; width: 100%; margin: 10px 0; }
+        button:hover { background: #218838; }
+        button.cancel { background: #6c757d; }
+        button.cancel:hover { background: #5a6268; }
+        .user { background: #d1ecf1; padding: 8px; margin-bottom: 10px; }
+        .cart-info { background: #f8f9fa; padding: 12px; margin: 15px 0; border-left: 4px solid #007bff; }
+        .info { color: #666; font-size: 0.9em; margin-top: 20px; }
+        .warning { background: #fff3cd; color: #856404; padding: 12px; margin: 15px 0; border-left: 4px solid #ffc107; }
+      </style>
+    </head>
+    <body>
+      <h1>Confirm Payment</h1>
+      <div class="user">✓ Logged in as: <strong>${userSession.name}</strong></div>
+      ${cartId ? `<div class="cart-info"><strong>Cart ID:</strong> ${cartId}</div>` : ''}
+      <div class="warning">
+        <strong>⚠️ Please review your order before confirming.</strong>
+      </div>
+      <form method="POST" action="/confirm-payment">
+        <input type="hidden" name="session" value="${mcpSessionId}" />
+        <input type="hidden" name="elicitation" value="${elicitationId}" />
+        ${cartId ? `<input type="hidden" name="cartId" value="${cartId}" />` : ''}
+        <button type="submit" name="action" value="confirm">Confirm Payment</button>
+        <button type="submit" name="action" value="cancel" class="cancel">Cancel</button>
+      </form>
+      <div class="info">This is a demo showing how a server can securely get user confirmation for sensitive operations using URL-mode elicitation.</div>
+    </body>
+    </html>
+  `);
+});
+// Handle Payment Confirmation form submission
+app.post('/confirm-payment', express.urlencoded(), (req, res) => {
+    const { session: sessionId, elicitation: elicitationId, cartId, action } = req.body;
+    if (!sessionId || !elicitationId) {
+        res.status(400).send('<h1>Error</h1><p>Missing required parameters</p>');
+        return;
+    }
+    // Check for user session cookie here too
+    const userSession = getUserSessionCookie(req.headers.cookie);
+    if (!userSession) {
+        res.status(401).send('<h1>Error</h1><p>Unauthorized - please reconnect to login again</p>');
+        return;
+    }
+    if (action === 'confirm') {
+        // A real app would process the payment here
+        console.log(`💳 Payment confirmed for cart ${cartId || 'unknown'} by user ${userSession.name} (session ${sessionId})`);
+        // Complete the elicitation
+        completeURLElicitation(elicitationId);
+        // Send a success response
+        res.send(`
+      <!DOCTYPE html>
+      <html>
+      <head>
+        <title>Payment Confirmed</title>
+        <style>
+          body { font-family: sans-serif; max-width: 400px; margin: 50px auto; padding: 20px; text-align: center; }
+          .success { background: #d4edda; color: #155724; padding: 20px; margin: 20px 0; }
+        </style>
+      </head>
+      <body>
+        <div class="success">
+          <h1>Payment Confirmed ✓</h1>
+          <p>Your payment has been successfully processed.</p>
+          ${cartId ? `<p><strong>Cart ID:</strong> ${cartId}</p>` : ''}
+        </div>
+        <p>You can close this window and return to your MCP client.</p>
+      </body>
+      </html>
+    `);
+    }
+    else if (action === 'cancel') {
+        console.log(`💳 Payment cancelled for cart ${cartId || 'unknown'} by user ${userSession.name} (session ${sessionId})`);
+        // The client will still receive a notifications/elicitation/complete notification,
+        // which indicates that the out-of-band interaction is complete (but not necessarily successful)
+        completeURLElicitation(elicitationId);
+        res.send(`
+      <!DOCTYPE html>
+      <html>
+      <head>
+        <title>Payment Cancelled</title>
+        <style>
+          body { font-family: sans-serif; max-width: 400px; margin: 50px auto; padding: 20px; text-align: center; }
+          .info { background: #d1ecf1; color: #0c5460; padding: 20px; margin: 20px 0; }
+        </style>
+      </head>
+      <body>
+        <div class="info">
+          <h1>Payment Cancelled</h1>
+          <p>Your payment has been cancelled.</p>
+        </div>
+        <p>You can close this window and return to your MCP client.</p>
+      </body>
+      </html>
+    `);
+    }
+    else {
+        res.status(400).send('<h1>Error</h1><p>Invalid action</p>');
+    }
+});
+// Map to store transports by session ID
+const transports = {};
+const sessionsNeedingElicitation = {};
+// MCP POST endpoint
+const mcpPostHandler = async (req, res) => {
+    const sessionId = req.headers['mcp-session-id'];
+    console.debug(`Received MCP POST for session: ${sessionId || 'unknown'}`);
+    try {
+        let transport;
+        if (sessionId && transports[sessionId]) {
+            // Reuse existing transport
+            transport = transports[sessionId];
+        }
+        else if (!sessionId && isInitializeRequest(req.body)) {
+            const server = getServer();
+            // New initialization request
+            const eventStore = new InMemoryEventStore();
+            transport = new StreamableHTTPServerTransport({
+                sessionIdGenerator: () => randomUUID(),
+                eventStore, // Enable resumability
+                onsessioninitialized: sessionId => {
+                    // Store the transport by session ID when session is initialized
+                    // This avoids race conditions where requests might come in before the session is stored
+                    console.log(`Session initialized with ID: ${sessionId}`);
+                    transports[sessionId] = transport;
+                    sessionsNeedingElicitation[sessionId] = {
+                        elicitationSender: params => server.server.elicitInput(params),
+                        createCompletionNotifier: elicitationId => server.server.createElicitationCompletionNotifier(elicitationId)
+                    };
+                }
+            });
+            // Set up onclose handler to clean up transport when closed
+            transport.onclose = () => {
+                const sid = transport.sessionId;
+                if (sid && transports[sid]) {
+                    console.log(`Transport closed for session ${sid}, removing from transports map`);
+                    delete transports[sid];
+                    delete sessionsNeedingElicitation[sid];
+                }
+            };
+            // Connect the transport to the MCP server BEFORE handling the request
+            // so responses can flow back through the same transport
+            await server.connect(transport);
+            await transport.handleRequest(req, res, req.body);
+            return; // Already handled
+        }
+        else {
+            // Invalid request - no session ID or not initialization request
+            res.status(400).json({
+                jsonrpc: '2.0',
+                error: {
+                    code: -32000,
+                    message: 'Bad Request: No valid session ID provided'
+                },
+                id: null
+            });
+            return;
+        }
+        // Handle the request with existing transport - no need to reconnect
+        // The existing transport is already connected to the server
+        await transport.handleRequest(req, res, req.body);
+    }
+    catch (error) {
+        console.error('Error handling MCP request:', error);
+        if (!res.headersSent) {
+            res.status(500).json({
+                jsonrpc: '2.0',
+                error: {
+                    code: -32603,
+                    message: 'Internal server error'
+                },
+                id: null
+            });
+        }
+    }
+};
+// Set up routes with auth middleware
+app.post('/mcp', authMiddleware, mcpPostHandler);
+// Handle GET requests for SSE streams (using built-in support from StreamableHTTP)
+const mcpGetHandler = async (req, res) => {
+    const sessionId = req.headers['mcp-session-id'];
+    if (!sessionId || !transports[sessionId]) {
+        res.status(400).send('Invalid or missing session ID');
+        return;
+    }
+    // Check for Last-Event-ID header for resumability
+    const lastEventId = req.headers['last-event-id'];
+    if (lastEventId) {
+        console.log(`Client reconnecting with Last-Event-ID: ${lastEventId}`);
+    }
+    else {
+        console.log(`Establishing new SSE stream for session ${sessionId}`);
+    }
+    const transport = transports[sessionId];
+    await transport.handleRequest(req, res);
+    if (sessionsNeedingElicitation[sessionId]) {
+        const { elicitationSender, createCompletionNotifier } = sessionsNeedingElicitation[sessionId];
+        // Send an elicitation request to the client in the background
+        sendApiKeyElicitation(sessionId, elicitationSender, createCompletionNotifier)
+            .then(() => {
+            // Only delete on successful send for this demo
+            delete sessionsNeedingElicitation[sessionId];
+            console.log(`🔑 URL elicitation demo: Finished sending API key elicitation request for session ${sessionId}`);
+        })
+            .catch(error => {
+            console.error('Error sending API key elicitation:', error);
+            // Keep in map to potentially retry on next reconnect
+        });
+    }
+};
+// Set up GET route with conditional auth middleware
+app.get('/mcp', authMiddleware, mcpGetHandler);
+// Handle DELETE requests for session termination (according to MCP spec)
+const mcpDeleteHandler = async (req, res) => {
+    const sessionId = req.headers['mcp-session-id'];
+    if (!sessionId || !transports[sessionId]) {
+        res.status(400).send('Invalid or missing session ID');
+        return;
+    }
+    console.log(`Received session termination request for session ${sessionId}`);
+    try {
+        const transport = transports[sessionId];
+        await transport.handleRequest(req, res);
+    }
+    catch (error) {
+        console.error('Error handling session termination:', error);
+        if (!res.headersSent) {
+            res.status(500).send('Error processing session termination');
+        }
+    }
+};
+// Set up DELETE route with auth middleware
+app.delete('/mcp', authMiddleware, mcpDeleteHandler);
+app.listen(MCP_PORT, error => {
+    if (error) {
+        console.error('Failed to start server:', error);
+        process.exit(1);
+    }
+    console.log(`MCP Streamable HTTP Server listening on port ${MCP_PORT}`);
+});
+// Handle server shutdown
+process.on('SIGINT', async () => {
+    console.log('Shutting down server...');
+    // Close all active transports to properly clean up resources
+    for (const sessionId in transports) {
+        try {
+            console.log(`Closing transport for session ${sessionId}`);
+            await transports[sessionId].close();
+            delete transports[sessionId];
+            delete sessionsNeedingElicitation[sessionId];
+        }
+        catch (error) {
+            console.error(`Error closing transport for session ${sessionId}:`, error);
+        }
+    }
+    console.log('Server shutdown complete');
+    process.exit(0);
+});
+//# sourceMappingURL=elicitationUrlExample.js.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/honoWebStandardStreamableHttp.d.ts

@@ -0,0 +1,10 @@
+/**
+ * Example MCP server using Hono with WebStandardStreamableHTTPServerTransport
+ *
+ * This example demonstrates using the Web Standard transport directly with Hono,
+ * which works on any runtime: Node.js, Cloudflare Workers, Deno, Bun, etc.
+ *
+ * Run with: npx tsx src/examples/server/honoWebStandardStreamableHttp.ts
+ */
+export {};
+//# sourceMappingURL=honoWebStandardStreamableHttp.d.ts.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/honoWebStandardStreamableHttp.d.ts.map

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node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/honoWebStandardStreamableHttp.js

@@ -0,0 +1,60 @@
+/**
+ * Example MCP server using Hono with WebStandardStreamableHTTPServerTransport
+ *
+ * This example demonstrates using the Web Standard transport directly with Hono,
+ * which works on any runtime: Node.js, Cloudflare Workers, Deno, Bun, etc.
+ *
+ * Run with: npx tsx src/examples/server/honoWebStandardStreamableHttp.ts
+ */
+import { Hono } from 'hono';
+import { cors } from 'hono/cors';
+import { serve } from '@hono/node-server';
+import * as z from 'zod/v4';
+import { McpServer } from '../../server/mcp.js';
+import { WebStandardStreamableHTTPServerTransport } from '../../server/webStandardStreamableHttp.js';
+// Factory function to create a new MCP server per request (stateless mode)
+const getServer = () => {
+    const server = new McpServer({
+        name: 'hono-webstandard-mcp-server',
+        version: '1.0.0'
+    });
+    // Register a simple greeting tool
+    server.registerTool('greet', {
+        title: 'Greeting Tool',
+        description: 'A simple greeting tool',
+        inputSchema: { name: z.string().describe('Name to greet') }
+    }, async ({ name }) => {
+        return {
+            content: [{ type: 'text', text: `Hello, ${name}! (from Hono + WebStandard transport)` }]
+        };
+    });
+    return server;
+};
+// Create the Hono app
+const app = new Hono();
+// Enable CORS for all origins
+app.use('*', cors({
+    origin: '*',
+    allowMethods: ['GET', 'POST', 'DELETE', 'OPTIONS'],
+    allowHeaders: ['Content-Type', 'mcp-session-id', 'Last-Event-ID', 'mcp-protocol-version'],
+    exposeHeaders: ['mcp-session-id', 'mcp-protocol-version']
+}));
+// Health check endpoint
+app.get('/health', c => c.json({ status: 'ok' }));
+// MCP endpoint - create a fresh transport and server per request (stateless)
+app.all('/mcp', async (c) => {
+    const transport = new WebStandardStreamableHTTPServerTransport();
+    const server = getServer();
+    await server.connect(transport);
+    return transport.handleRequest(c.req.raw);
+});
+// Start the server
+const PORT = process.env.MCP_PORT ? parseInt(process.env.MCP_PORT, 10) : 3000;
+console.log(`Starting Hono MCP server on port ${PORT}`);
+console.log(`Health check: http://localhost:${PORT}/health`);
+console.log(`MCP endpoint: http://localhost:${PORT}/mcp`);
+serve({
+    fetch: app.fetch,
+    port: PORT
+});
+//# sourceMappingURL=honoWebStandardStreamableHttp.js.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/honoWebStandardStreamableHttp.js.map

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node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/jsonResponseStreamableHttp.d.ts

@@ -0,0 +1,2 @@
+export {};
+//# sourceMappingURL=jsonResponseStreamableHttp.d.ts.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/jsonResponseStreamableHttp.d.ts.map

@@ -0,0 +1 @@
+{"version":3,"file":"jsonResponseStreamableHttp.d.ts","sourceRoot":"","sources":["../../../../src/examples/server/jsonResponseStreamableHttp.ts"],"names":[],"mappings":""}

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/jsonResponseStreamableHttp.js

@@ -0,0 +1,146 @@
+import { randomUUID } from 'node:crypto';
+import { McpServer } from '../../server/mcp.js';
+import { StreamableHTTPServerTransport } from '../../server/streamableHttp.js';
+import * as z from 'zod/v4';
+import { isInitializeRequest } from '../../types.js';
+import { createMcpExpressApp } from '../../server/express.js';
+// Create an MCP server with implementation details
+const getServer = () => {
+    const server = new McpServer({
+        name: 'json-response-streamable-http-server',
+        version: '1.0.0'
+    }, {
+        capabilities: {
+            logging: {}
+        }
+    });
+    // Register a simple tool that returns a greeting
+    server.registerTool('greet', {
+        description: 'A simple greeting tool',
+        inputSchema: {
+            name: z.string().describe('Name to greet')
+        }
+    }, async ({ name }) => {
+        return {
+            content: [
+                {
+                    type: 'text',
+                    text: `Hello, ${name}!`
+                }
+            ]
+        };
+    });
+    // Register a tool that sends multiple greetings with notifications
+    server.registerTool('multi-greet', {
+        description: 'A tool that sends different greetings with delays between them',
+        inputSchema: {
+            name: z.string().describe('Name to greet')
+        }
+    }, async ({ name }, extra) => {
+        const sleep = (ms) => new Promise(resolve => setTimeout(resolve, ms));
+        await server.sendLoggingMessage({
+            level: 'debug',
+            data: `Starting multi-greet for ${name}`
+        }, extra.sessionId);
+        await sleep(1000); // Wait 1 second before first greeting
+        await server.sendLoggingMessage({
+            level: 'info',
+            data: `Sending first greeting to ${name}`
+        }, extra.sessionId);
+        await sleep(1000); // Wait another second before second greeting
+        await server.sendLoggingMessage({
+            level: 'info',
+            data: `Sending second greeting to ${name}`
+        }, extra.sessionId);
+        return {
+            content: [
+                {
+                    type: 'text',
+                    text: `Good morning, ${name}!`
+                }
+            ]
+        };
+    });
+    return server;
+};
+const app = createMcpExpressApp();
+// Map to store transports by session ID
+const transports = {};
+app.post('/mcp', async (req, res) => {
+    console.log('Received MCP request:', req.body);
+    try {
+        // Check for existing session ID
+        const sessionId = req.headers['mcp-session-id'];
+        let transport;
+        if (sessionId && transports[sessionId]) {
+            // Reuse existing transport
+            transport = transports[sessionId];
+        }
+        else if (!sessionId && isInitializeRequest(req.body)) {
+            // New initialization request - use JSON response mode
+            transport = new StreamableHTTPServerTransport({
+                sessionIdGenerator: () => randomUUID(),
+                enableJsonResponse: true, // Enable JSON response mode
+                onsessioninitialized: sessionId => {
+                    // Store the transport by session ID when session is initialized
+                    // This avoids race conditions where requests might come in before the session is stored
+                    console.log(`Session initialized with ID: ${sessionId}`);
+                    transports[sessionId] = transport;
+                }
+            });
+            // Connect the transport to the MCP server BEFORE handling the request
+            const server = getServer();
+            await server.connect(transport);
+            await transport.handleRequest(req, res, req.body);
+            return; // Already handled
+        }
+        else {
+            // Invalid request - no session ID or not initialization request
+            res.status(400).json({
+                jsonrpc: '2.0',
+                error: {
+                    code: -32000,
+                    message: 'Bad Request: No valid session ID provided'
+                },
+                id: null
+            });
+            return;
+        }
+        // Handle the request with existing transport - no need to reconnect
+        await transport.handleRequest(req, res, req.body);
+    }
+    catch (error) {
+        console.error('Error handling MCP request:', error);
+        if (!res.headersSent) {
+            res.status(500).json({
+                jsonrpc: '2.0',
+                error: {
+                    code: -32603,
+                    message: 'Internal server error'
+                },
+                id: null
+            });
+        }
+    }
+});
+// Handle GET requests for SSE streams according to spec
+app.get('/mcp', async (req, res) => {
+    // Since this is a very simple example, we don't support GET requests for this server
+    // The spec requires returning 405 Method Not Allowed in this case
+    res.status(405).set('Allow', 'POST').send('Method Not Allowed');
+});
+// Start the server
+const PORT = 3000;
+app.listen(PORT, error => {
+    if (error) {
+        console.error('Failed to start server:', error);
+        process.exit(1);
+    }
+    console.log(`MCP Streamable HTTP Server listening on port ${PORT}`);
+});
+// Handle server shutdown
+process.on('SIGINT', async () => {
+    console.log('Shutting down server...');
+    process.exit(0);
+});
+//# sourceMappingURL=jsonResponseStreamableHttp.js.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/jsonResponseStreamableHttp.js.map

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node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/mcpServerOutputSchema.d.ts

@@ -0,0 +1,7 @@
+#!/usr/bin/env node
+/**
+ * Example MCP server using the high-level McpServer API with outputSchema
+ * This demonstrates how to easily create tools with structured output
+ */
+export {};
+//# sourceMappingURL=mcpServerOutputSchema.d.ts.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/mcpServerOutputSchema.d.ts.map

@@ -0,0 +1 @@
+{"version":3,"file":"mcpServerOutputSchema.d.ts","sourceRoot":"","sources":["../../../../src/examples/server/mcpServerOutputSchema.ts"],"names":[],"mappings":";AACA;;;GAGG"}

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/mcpServerOutputSchema.js

@@ -0,0 +1,70 @@
+#!/usr/bin/env node
+/**
+ * Example MCP server using the high-level McpServer API with outputSchema
+ * This demonstrates how to easily create tools with structured output
+ */
+import { McpServer } from '../../server/mcp.js';
+import { StdioServerTransport } from '../../server/stdio.js';
+import * as z from 'zod/v4';
+const server = new McpServer({
+    name: 'mcp-output-schema-high-level-example',
+    version: '1.0.0'
+});
+// Define a tool with structured output - Weather data
+server.registerTool('get_weather', {
+    description: 'Get weather information for a city',
+    inputSchema: {
+        city: z.string().describe('City name'),
+        country: z.string().describe('Country code (e.g., US, UK)')
+    },
+    outputSchema: {
+        temperature: z.object({
+            celsius: z.number(),
+            fahrenheit: z.number()
+        }),
+        conditions: z.enum(['sunny', 'cloudy', 'rainy', 'stormy', 'snowy']),
+        humidity: z.number().min(0).max(100),
+        wind: z.object({
+            speed_kmh: z.number(),
+            direction: z.string()
+        })
+    }
+}, async ({ city, country }) => {
+    // Parameters are available but not used in this example
+    void city;
+    void country;
+    // Simulate weather API call
+    const temp_c = Math.round((Math.random() * 35 - 5) * 10) / 10;
+    const conditions = ['sunny', 'cloudy', 'rainy', 'stormy', 'snowy'][Math.floor(Math.random() * 5)];
+    const structuredContent = {
+        temperature: {
+            celsius: temp_c,
+            fahrenheit: Math.round(((temp_c * 9) / 5 + 32) * 10) / 10
+        },
+        conditions,
+        humidity: Math.round(Math.random() * 100),
+        wind: {
+            speed_kmh: Math.round(Math.random() * 50),
+            direction: ['N', 'NE', 'E', 'SE', 'S', 'SW', 'W', 'NW'][Math.floor(Math.random() * 8)]
+        }
+    };
+    return {
+        content: [
+            {
+                type: 'text',
+                text: JSON.stringify(structuredContent, null, 2)
+            }
+        ],
+        structuredContent
+    };
+});
+async function main() {
+    const transport = new StdioServerTransport();
+    await server.connect(transport);
+    console.error('High-level Output Schema Example Server running on stdio');
+}
+main().catch(error => {
+    console.error('Server error:', error);
+    process.exit(1);
+});
+//# sourceMappingURL=mcpServerOutputSchema.js.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/mcpServerOutputSchema.js.map

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node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/progressExample.d.ts

@@ -0,0 +1,12 @@
+/**
+ * Example: Progress notifications over stdio.
+ *
+ * Demonstrates a tool that reports progress to the client while processing.
+ *
+ * Run:
+ *   npx tsx src/examples/server/progressExample.ts
+ *
+ * Then connect a client with an `onprogress` callback (see docs/protocol.md).
+ */
+export {};
+//# sourceMappingURL=progressExample.d.ts.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/progressExample.d.ts.map

@@ -0,0 +1 @@
+{"version":3,"file":"progressExample.d.ts","sourceRoot":"","sources":["../../../../src/examples/server/progressExample.ts"],"names":[],"mappings":"AAAA;;;;;;;;;GASG"}

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/progressExample.js

@@ -0,0 +1,47 @@
+/**
+ * Example: Progress notifications over stdio.
+ *
+ * Demonstrates a tool that reports progress to the client while processing.
+ *
+ * Run:
+ *   npx tsx src/examples/server/progressExample.ts
+ *
+ * Then connect a client with an `onprogress` callback (see docs/protocol.md).
+ */
+import { McpServer } from '../../server/mcp.js';
+import { StdioServerTransport } from '../../server/stdio.js';
+import { z } from 'zod';
+const server = new McpServer({ name: 'progress-example', version: '1.0.0' }, { capabilities: { logging: {} } });
+server.registerTool('count', {
+    description: 'Count to N with progress updates',
+    inputSchema: { n: z.number().int().min(1).max(100) }
+}, async ({ n }, extra) => {
+    for (let i = 1; i <= n; i++) {
+        if (extra.signal.aborted) {
+            return { content: [{ type: 'text', text: `Cancelled at ${i}` }], isError: true };
+        }
+        if (extra._meta?.progressToken !== undefined) {
+            await extra.sendNotification({
+                method: 'notifications/progress',
+                params: {
+                    progressToken: extra._meta.progressToken,
+                    progress: i,
+                    total: n,
+                    message: `Counting: ${i}/${n}`
+                }
+            });
+        }
+        // Simulate work
+        await new Promise(resolve => setTimeout(resolve, 100));
+    }
+    return { content: [{ type: 'text', text: `Counted to ${n}` }] };
+});
+async function main() {
+    const transport = new StdioServerTransport();
+    await server.connect(transport);
+}
+main().catch(error => {
+    console.error('Server error:', error);
+    process.exit(1);
+});
+//# sourceMappingURL=progressExample.js.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/progressExample.js.map

@@ -0,0 +1 @@
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node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/simpleSseServer.d.ts

@@ -0,0 +1,2 @@
+export {};
+//# sourceMappingURL=simpleSseServer.d.ts.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/simpleSseServer.d.ts.map

@@ -0,0 +1 @@
+{"version":3,"file":"simpleSseServer.d.ts","sourceRoot":"","sources":["../../../../src/examples/server/simpleSseServer.ts"],"names":[],"mappings":""}

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/simpleSseServer.js

@@ -0,0 +1,143 @@
+import { McpServer } from '../../server/mcp.js';
+import { SSEServerTransport } from '../../server/sse.js';
+import * as z from 'zod/v4';
+import { createMcpExpressApp } from '../../server/express.js';
+/**
+ * This example server demonstrates the deprecated HTTP+SSE transport
+ * (protocol version 2024-11-05). It mainly used for testing backward compatible clients.
+ *
+ * The server exposes two endpoints:
+ * - /mcp: For establishing the SSE stream (GET)
+ * - /messages: For receiving client messages (POST)
+ *
+ */
+// Create an MCP server instance
+const getServer = () => {
+    const server = new McpServer({
+        name: 'simple-sse-server',
+        version: '1.0.0'
+    }, { capabilities: { logging: {} } });
+    server.registerTool('start-notification-stream', {
+        description: 'Starts sending periodic notifications',
+        inputSchema: {
+            interval: z.number().describe('Interval in milliseconds between notifications').default(1000),
+            count: z.number().describe('Number of notifications to send').default(10)
+        }
+    }, async ({ interval, count }, extra) => {
+        const sleep = (ms) => new Promise(resolve => setTimeout(resolve, ms));
+        let counter = 0;
+        // Send the initial notification
+        await server.sendLoggingMessage({
+            level: 'info',
+            data: `Starting notification stream with ${count} messages every ${interval}ms`
+        }, extra.sessionId);
+        // Send periodic notifications
+        while (counter < count) {
+            counter++;
+            await sleep(interval);
+            try {
+                await server.sendLoggingMessage({
+                    level: 'info',
+                    data: `Notification #${counter} at ${new Date().toISOString()}`
+                }, extra.sessionId);
+            }
+            catch (error) {
+                console.error('Error sending notification:', error);
+            }
+        }
+        return {
+            content: [
+                {
+                    type: 'text',
+                    text: `Completed sending ${count} notifications every ${interval}ms`
+                }
+            ]
+        };
+    });
+    return server;
+};
+const app = createMcpExpressApp();
+// Store transports by session ID
+const transports = {};
+// SSE endpoint for establishing the stream
+app.get('/mcp', async (req, res) => {
+    console.log('Received GET request to /sse (establishing SSE stream)');
+    try {
+        // Create a new SSE transport for the client
+        // The endpoint for POST messages is '/messages'
+        const transport = new SSEServerTransport('/messages', res);
+        // Store the transport by session ID
+        const sessionId = transport.sessionId;
+        transports[sessionId] = transport;
+        // Set up onclose handler to clean up transport when closed
+        transport.onclose = () => {
+            console.log(`SSE transport closed for session ${sessionId}`);
+            delete transports[sessionId];
+        };
+        // Connect the transport to the MCP server
+        const server = getServer();
+        await server.connect(transport);
+        console.log(`Established SSE stream with session ID: ${sessionId}`);
+    }
+    catch (error) {
+        console.error('Error establishing SSE stream:', error);
+        if (!res.headersSent) {
+            res.status(500).send('Error establishing SSE stream');
+        }
+    }
+});
+// Messages endpoint for receiving client JSON-RPC requests
+app.post('/messages', async (req, res) => {
+    console.log('Received POST request to /messages');
+    // Extract session ID from URL query parameter
+    // In the SSE protocol, this is added by the client based on the endpoint event
+    const sessionId = req.query.sessionId;
+    if (!sessionId) {
+        console.error('No session ID provided in request URL');
+        res.status(400).send('Missing sessionId parameter');
+        return;
+    }
+    const transport = transports[sessionId];
+    if (!transport) {
+        console.error(`No active transport found for session ID: ${sessionId}`);
+        res.status(404).send('Session not found');
+        return;
+    }
+    try {
+        // Handle the POST message with the transport
+        await transport.handlePostMessage(req, res, req.body);
+    }
+    catch (error) {
+        console.error('Error handling request:', error);
+        if (!res.headersSent) {
+            res.status(500).send('Error handling request');
+        }
+    }
+});
+// Start the server
+const PORT = 3000;
+app.listen(PORT, error => {
+    if (error) {
+        console.error('Failed to start server:', error);
+        process.exit(1);
+    }
+    console.log(`Simple SSE Server (deprecated protocol version 2024-11-05) listening on port ${PORT}`);
+});
+// Handle server shutdown
+process.on('SIGINT', async () => {
+    console.log('Shutting down server...');
+    // Close all active transports to properly clean up resources
+    for (const sessionId in transports) {
+        try {
+            console.log(`Closing transport for session ${sessionId}`);
+            await transports[sessionId].close();
+            delete transports[sessionId];
+        }
+        catch (error) {
+            console.error(`Error closing transport for session ${sessionId}:`, error);
+        }
+    }
+    console.log('Server shutdown complete');
+    process.exit(0);
+});
+//# sourceMappingURL=simpleSseServer.js.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/simpleSseServer.js.map

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node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/simpleStatelessStreamableHttp.d.ts

@@ -0,0 +1,2 @@
+export {};
+//# sourceMappingURL=simpleStatelessStreamableHttp.d.ts.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/simpleStatelessStreamableHttp.d.ts.map

@@ -0,0 +1 @@
+{"version":3,"file":"simpleStatelessStreamableHttp.d.ts","sourceRoot":"","sources":["../../../../src/examples/server/simpleStatelessStreamableHttp.ts"],"names":[],"mappings":""}

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/simpleStatelessStreamableHttp.js

@@ -0,0 +1,141 @@
+import { McpServer } from '../../server/mcp.js';
+import { StreamableHTTPServerTransport } from '../../server/streamableHttp.js';
+import * as z from 'zod/v4';
+import { createMcpExpressApp } from '../../server/express.js';
+const getServer = () => {
+    // Create an MCP server with implementation details
+    const server = new McpServer({
+        name: 'stateless-streamable-http-server',
+        version: '1.0.0'
+    }, { capabilities: { logging: {} } });
+    // Register a simple prompt
+    server.registerPrompt('greeting-template', {
+        description: 'A simple greeting prompt template',
+        argsSchema: {
+            name: z.string().describe('Name to include in greeting')
+        }
+    }, async ({ name }) => {
+        return {
+            messages: [
+                {
+                    role: 'user',
+                    content: {
+                        type: 'text',
+                        text: `Please greet ${name} in a friendly manner.`
+                    }
+                }
+            ]
+        };
+    });
+    // Register a tool specifically for testing resumability
+    server.registerTool('start-notification-stream', {
+        description: 'Starts sending periodic notifications for testing resumability',
+        inputSchema: {
+            interval: z.number().describe('Interval in milliseconds between notifications').default(100),
+            count: z.number().describe('Number of notifications to send (0 for 100)').default(10)
+        }
+    }, async ({ interval, count }, extra) => {
+        const sleep = (ms) => new Promise(resolve => setTimeout(resolve, ms));
+        let counter = 0;
+        while (count === 0 || counter < count) {
+            counter++;
+            try {
+                await server.sendLoggingMessage({
+                    level: 'info',
+                    data: `Periodic notification #${counter} at ${new Date().toISOString()}`
+                }, extra.sessionId);
+            }
+            catch (error) {
+                console.error('Error sending notification:', error);
+            }
+            // Wait for the specified interval
+            await sleep(interval);
+        }
+        return {
+            content: [
+                {
+                    type: 'text',
+                    text: `Started sending periodic notifications every ${interval}ms`
+                }
+            ]
+        };
+    });
+    // Create a simple resource at a fixed URI
+    server.registerResource('greeting-resource', 'https://example.com/greetings/default', { mimeType: 'text/plain' }, async () => {
+        return {
+            contents: [
+                {
+                    uri: 'https://example.com/greetings/default',
+                    text: 'Hello, world!'
+                }
+            ]
+        };
+    });
+    return server;
+};
+const app = createMcpExpressApp();
+app.post('/mcp', async (req, res) => {
+    const server = getServer();
+    try {
+        const transport = new StreamableHTTPServerTransport({
+            sessionIdGenerator: undefined
+        });
+        await server.connect(transport);
+        await transport.handleRequest(req, res, req.body);
+        res.on('close', () => {
+            console.log('Request closed');
+            transport.close();
+            server.close();
+        });
+    }
+    catch (error) {
+        console.error('Error handling MCP request:', error);
+        if (!res.headersSent) {
+            res.status(500).json({
+                jsonrpc: '2.0',
+                error: {
+                    code: -32603,
+                    message: 'Internal server error'
+                },
+                id: null
+            });
+        }
+    }
+});
+app.get('/mcp', async (req, res) => {
+    console.log('Received GET MCP request');
+    res.writeHead(405).end(JSON.stringify({
+        jsonrpc: '2.0',
+        error: {
+            code: -32000,
+            message: 'Method not allowed.'
+        },
+        id: null
+    }));
+});
+app.delete('/mcp', async (req, res) => {
+    console.log('Received DELETE MCP request');
+    res.writeHead(405).end(JSON.stringify({
+        jsonrpc: '2.0',
+        error: {
+            code: -32000,
+            message: 'Method not allowed.'
+        },
+        id: null
+    }));
+});
+// Start the server
+const PORT = 3000;
+app.listen(PORT, error => {
+    if (error) {
+        console.error('Failed to start server:', error);
+        process.exit(1);
+    }
+    console.log(`MCP Stateless Streamable HTTP Server listening on port ${PORT}`);
+});
+// Handle server shutdown
+process.on('SIGINT', async () => {
+    console.log('Shutting down server...');
+    process.exit(0);
+});
+//# sourceMappingURL=simpleStatelessStreamableHttp.js.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/simpleStatelessStreamableHttp.js.map

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node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/simpleStreamableHttp.d.ts

@@ -0,0 +1,2 @@
+export {};
+//# sourceMappingURL=simpleStreamableHttp.d.ts.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/simpleStreamableHttp.d.ts.map

@@ -0,0 +1 @@
+{"version":3,"file":"simpleStreamableHttp.d.ts","sourceRoot":"","sources":["../../../../src/examples/server/simpleStreamableHttp.ts"],"names":[],"mappings":""}

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/simpleStreamableHttp.js

@@ -0,0 +1,725 @@
+import { randomUUID } from 'node:crypto';
+import * as z from 'zod/v4';
+import { McpServer } from '../../server/mcp.js';
+import { StreamableHTTPServerTransport } from '../../server/streamableHttp.js';
+import { getOAuthProtectedResourceMetadataUrl, mcpAuthMetadataRouter } from '../../server/auth/router.js';
+import { requireBearerAuth } from '../../server/auth/middleware/bearerAuth.js';
+import { createMcpExpressApp } from '../../server/express.js';
+import { ElicitResultSchema, isInitializeRequest } from '../../types.js';
+import { InMemoryEventStore } from '../shared/inMemoryEventStore.js';
+import { InMemoryTaskStore, InMemoryTaskMessageQueue } from '../../experimental/tasks/stores/in-memory.js';
+import { setupAuthServer } from './demoInMemoryOAuthProvider.js';
+import { checkResourceAllowed } from '../../shared/auth-utils.js';
+// Check for OAuth flag
+const useOAuth = process.argv.includes('--oauth');
+const strictOAuth = process.argv.includes('--oauth-strict');
+// Create shared task store for demonstration
+const taskStore = new InMemoryTaskStore();
+// Create an MCP server with implementation details
+const getServer = () => {
+    const server = new McpServer({
+        name: 'simple-streamable-http-server',
+        version: '1.0.0',
+        icons: [{ src: './mcp.svg', sizes: ['512x512'], mimeType: 'image/svg+xml' }],
+        websiteUrl: 'https://github.com/modelcontextprotocol/typescript-sdk'
+    }, {
+        capabilities: { logging: {}, tasks: { requests: { tools: { call: {} } } } },
+        taskStore, // Enable task support
+        taskMessageQueue: new InMemoryTaskMessageQueue()
+    });
+    // Register a simple tool that returns a greeting
+    server.registerTool('greet', {
+        title: 'Greeting Tool', // Display name for UI
+        description: 'A simple greeting tool',
+        inputSchema: {
+            name: z.string().describe('Name to greet')
+        }
+    }, async ({ name }) => {
+        return {
+            content: [
+                {
+                    type: 'text',
+                    text: `Hello, ${name}!`
+                }
+            ]
+        };
+    });
+    // Register a tool that sends multiple greetings with notifications (with annotations)
+    server.registerTool('multi-greet', {
+        description: 'A tool that sends different greetings with delays between them',
+        inputSchema: {
+            name: z.string().describe('Name to greet')
+        },
+        annotations: {
+            title: 'Multiple Greeting Tool',
+            readOnlyHint: true,
+            openWorldHint: false
+        }
+    }, async ({ name }, extra) => {
+        const sleep = (ms) => new Promise(resolve => setTimeout(resolve, ms));
+        await server.sendLoggingMessage({
+            level: 'debug',
+            data: `Starting multi-greet for ${name}`
+        }, extra.sessionId);
+        await sleep(1000); // Wait 1 second before first greeting
+        await server.sendLoggingMessage({
+            level: 'info',
+            data: `Sending first greeting to ${name}`
+        }, extra.sessionId);
+        await sleep(1000); // Wait another second before second greeting
+        await server.sendLoggingMessage({
+            level: 'info',
+            data: `Sending second greeting to ${name}`
+        }, extra.sessionId);
+        return {
+            content: [
+                {
+                    type: 'text',
+                    text: `Good morning, ${name}!`
+                }
+            ]
+        };
+    });
+    // Register a tool that demonstrates form elicitation (user input collection with a schema)
+    // This creates a closure that captures the server instance
+    server.registerTool('collect-user-info', {
+        description: 'A tool that collects user information through form elicitation',
+        inputSchema: {
+            infoType: z.enum(['contact', 'preferences', 'feedback']).describe('Type of information to collect')
+        }
+    }, async ({ infoType }, extra) => {
+        let message;
+        let requestedSchema;
+        switch (infoType) {
+            case 'contact':
+                message = 'Please provide your contact information';
+                requestedSchema = {
+                    type: 'object',
+                    properties: {
+                        name: {
+                            type: 'string',
+                            title: 'Full Name',
+                            description: 'Your full name'
+                        },
+                        email: {
+                            type: 'string',
+                            title: 'Email Address',
+                            description: 'Your email address',
+                            format: 'email'
+                        },
+                        phone: {
+                            type: 'string',
+                            title: 'Phone Number',
+                            description: 'Your phone number (optional)'
+                        }
+                    },
+                    required: ['name', 'email']
+                };
+                break;
+            case 'preferences':
+                message = 'Please set your preferences';
+                requestedSchema = {
+                    type: 'object',
+                    properties: {
+                        theme: {
+                            type: 'string',
+                            title: 'Theme',
+                            description: 'Choose your preferred theme',
+                            enum: ['light', 'dark', 'auto'],
+                            enumNames: ['Light', 'Dark', 'Auto']
+                        },
+                        notifications: {
+                            type: 'boolean',
+                            title: 'Enable Notifications',
+                            description: 'Would you like to receive notifications?',
+                            default: true
+                        },
+                        frequency: {
+                            type: 'string',
+                            title: 'Notification Frequency',
+                            description: 'How often would you like notifications?',
+                            enum: ['daily', 'weekly', 'monthly'],
+                            enumNames: ['Daily', 'Weekly', 'Monthly']
+                        }
+                    },
+                    required: ['theme']
+                };
+                break;
+            case 'feedback':
+                message = 'Please provide your feedback';
+                requestedSchema = {
+                    type: 'object',
+                    properties: {
+                        rating: {
+                            type: 'integer',
+                            title: 'Rating',
+                            description: 'Rate your experience (1-5)',
+                            minimum: 1,
+                            maximum: 5
+                        },
+                        comments: {
+                            type: 'string',
+                            title: 'Comments',
+                            description: 'Additional comments (optional)',
+                            maxLength: 500
+                        },
+                        recommend: {
+                            type: 'boolean',
+                            title: 'Would you recommend this?',
+                            description: 'Would you recommend this to others?'
+                        }
+                    },
+                    required: ['rating', 'recommend']
+                };
+                break;
+            default:
+                throw new Error(`Unknown info type: ${infoType}`);
+        }
+        try {
+            // Use sendRequest through the extra parameter to elicit input
+            const result = await extra.sendRequest({
+                method: 'elicitation/create',
+                params: {
+                    mode: 'form',
+                    message,
+                    requestedSchema
+                }
+            }, ElicitResultSchema);
+            if (result.action === 'accept') {
+                return {
+                    content: [
+                        {
+                            type: 'text',
+                            text: `Thank you! Collected ${infoType} information: ${JSON.stringify(result.content, null, 2)}`
+                        }
+                    ]
+                };
+            }
+            else if (result.action === 'decline') {
+                return {
+                    content: [
+                        {
+                            type: 'text',
+                            text: `No information was collected. User declined ${infoType} information request.`
+                        }
+                    ]
+                };
+            }
+            else {
+                return {
+                    content: [
+                        {
+                            type: 'text',
+                            text: `Information collection was cancelled by the user.`
+                        }
+                    ]
+                };
+            }
+        }
+        catch (error) {
+            return {
+                content: [
+                    {
+                        type: 'text',
+                        text: `Error collecting ${infoType} information: ${error}`
+                    }
+                ]
+            };
+        }
+    });
+    // Register a tool that demonstrates bidirectional task support:
+    // Server creates a task, then elicits input from client using elicitInputStream
+    // Using the experimental tasks API - WARNING: may change without notice
+    server.experimental.tasks.registerToolTask('collect-user-info-task', {
+        title: 'Collect Info with Task',
+        description: 'Collects user info via elicitation with task support using elicitInputStream',
+        inputSchema: {
+            infoType: z.enum(['contact', 'preferences']).describe('Type of information to collect').default('contact')
+        }
+    }, {
+        async createTask({ infoType }, { taskStore: createTaskStore, taskRequestedTtl }) {
+            // Create the server-side task
+            const task = await createTaskStore.createTask({
+                ttl: taskRequestedTtl
+            });
+            // Perform async work that makes a nested elicitation request using elicitInputStream
+            (async () => {
+                try {
+                    const message = infoType === 'contact' ? 'Please provide your contact information' : 'Please set your preferences';
+                    // Define schemas with proper typing for PrimitiveSchemaDefinition
+                    const contactSchema = {
+                        type: 'object',
+                        properties: {
+                            name: { type: 'string', title: 'Full Name', description: 'Your full name' },
+                            email: { type: 'string', title: 'Email', description: 'Your email address' }
+                        },
+                        required: ['name', 'email']
+                    };
+                    const preferencesSchema = {
+                        type: 'object',
+                        properties: {
+                            theme: { type: 'string', title: 'Theme', enum: ['light', 'dark', 'auto'] },
+                            notifications: { type: 'boolean', title: 'Enable Notifications', default: true }
+                        },
+                        required: ['theme']
+                    };
+                    const requestedSchema = infoType === 'contact' ? contactSchema : preferencesSchema;
+                    // Use elicitInputStream to elicit input from client
+                    // This demonstrates the streaming elicitation API
+                    // Access via server.server to get the underlying Server instance
+                    const stream = server.server.experimental.tasks.elicitInputStream({
+                        mode: 'form',
+                        message,
+                        requestedSchema
+                    });
+                    let elicitResult;
+                    for await (const msg of stream) {
+                        if (msg.type === 'result') {
+                            elicitResult = msg.result;
+                        }
+                        else if (msg.type === 'error') {
+                            throw msg.error;
+                        }
+                    }
+                    if (!elicitResult) {
+                        throw new Error('No result received from elicitation');
+                    }
+                    let resultText;
+                    if (elicitResult.action === 'accept') {
+                        resultText = `Collected ${infoType} info: ${JSON.stringify(elicitResult.content, null, 2)}`;
+                    }
+                    else if (elicitResult.action === 'decline') {
+                        resultText = `User declined to provide ${infoType} information`;
+                    }
+                    else {
+                        resultText = 'User cancelled the request';
+                    }
+                    await taskStore.storeTaskResult(task.taskId, 'completed', {
+                        content: [{ type: 'text', text: resultText }]
+                    });
+                }
+                catch (error) {
+                    console.error('Error in collect-user-info-task:', error);
+                    await taskStore.storeTaskResult(task.taskId, 'failed', {
+                        content: [{ type: 'text', text: `Error: ${error}` }],
+                        isError: true
+                    });
+                }
+            })();
+            return { task };
+        },
+        async getTask(_args, { taskId, taskStore: getTaskStore }) {
+            return await getTaskStore.getTask(taskId);
+        },
+        async getTaskResult(_args, { taskId, taskStore: getResultTaskStore }) {
+            const result = await getResultTaskStore.getTaskResult(taskId);
+            return result;
+        }
+    });
+    // Register a simple prompt with title
+    server.registerPrompt('greeting-template', {
+        title: 'Greeting Template', // Display name for UI
+        description: 'A simple greeting prompt template',
+        argsSchema: {
+            name: z.string().describe('Name to include in greeting')
+        }
+    }, async ({ name }) => {
+        return {
+            messages: [
+                {
+                    role: 'user',
+                    content: {
+                        type: 'text',
+                        text: `Please greet ${name} in a friendly manner.`
+                    }
+                }
+            ]
+        };
+    });
+    // Register a tool specifically for testing resumability
+    server.registerTool('start-notification-stream', {
+        description: 'Starts sending periodic notifications for testing resumability',
+        inputSchema: {
+            interval: z.number().describe('Interval in milliseconds between notifications').default(100),
+            count: z.number().describe('Number of notifications to send (0 for 100)').default(50)
+        }
+    }, async ({ interval, count }, extra) => {
+        const sleep = (ms) => new Promise(resolve => setTimeout(resolve, ms));
+        let counter = 0;
+        while (count === 0 || counter < count) {
+            counter++;
+            try {
+                await server.sendLoggingMessage({
+                    level: 'info',
+                    data: `Periodic notification #${counter} at ${new Date().toISOString()}`
+                }, extra.sessionId);
+            }
+            catch (error) {
+                console.error('Error sending notification:', error);
+            }
+            // Wait for the specified interval
+            await sleep(interval);
+        }
+        return {
+            content: [
+                {
+                    type: 'text',
+                    text: `Started sending periodic notifications every ${interval}ms`
+                }
+            ]
+        };
+    });
+    // Create a simple resource at a fixed URI
+    server.registerResource('greeting-resource', 'https://example.com/greetings/default', {
+        title: 'Default Greeting', // Display name for UI
+        description: 'A simple greeting resource',
+        mimeType: 'text/plain'
+    }, async () => {
+        return {
+            contents: [
+                {
+                    uri: 'https://example.com/greetings/default',
+                    text: 'Hello, world!'
+                }
+            ]
+        };
+    });
+    // Create additional resources for ResourceLink demonstration
+    server.registerResource('example-file-1', 'file:///example/file1.txt', {
+        title: 'Example File 1',
+        description: 'First example file for ResourceLink demonstration',
+        mimeType: 'text/plain'
+    }, async () => {
+        return {
+            contents: [
+                {
+                    uri: 'file:///example/file1.txt',
+                    text: 'This is the content of file 1'
+                }
+            ]
+        };
+    });
+    server.registerResource('example-file-2', 'file:///example/file2.txt', {
+        title: 'Example File 2',
+        description: 'Second example file for ResourceLink demonstration',
+        mimeType: 'text/plain'
+    }, async () => {
+        return {
+            contents: [
+                {
+                    uri: 'file:///example/file2.txt',
+                    text: 'This is the content of file 2'
+                }
+            ]
+        };
+    });
+    // Register a tool that returns ResourceLinks
+    server.registerTool('list-files', {
+        title: 'List Files with ResourceLinks',
+        description: 'Returns a list of files as ResourceLinks without embedding their content',
+        inputSchema: {
+            includeDescriptions: z.boolean().optional().describe('Whether to include descriptions in the resource links')
+        }
+    }, async ({ includeDescriptions = true }) => {
+        const resourceLinks = [
+            {
+                type: 'resource_link',
+                uri: 'https://example.com/greetings/default',
+                name: 'Default Greeting',
+                mimeType: 'text/plain',
+                ...(includeDescriptions && { description: 'A simple greeting resource' })
+            },
+            {
+                type: 'resource_link',
+                uri: 'file:///example/file1.txt',
+                name: 'Example File 1',
+                mimeType: 'text/plain',
+                ...(includeDescriptions && { description: 'First example file for ResourceLink demonstration' })
+            },
+            {
+                type: 'resource_link',
+                uri: 'file:///example/file2.txt',
+                name: 'Example File 2',
+                mimeType: 'text/plain',
+                ...(includeDescriptions && { description: 'Second example file for ResourceLink demonstration' })
+            }
+        ];
+        return {
+            content: [
+                {
+                    type: 'text',
+                    text: 'Here are the available files as resource links:'
+                },
+                ...resourceLinks,
+                {
+                    type: 'text',
+                    text: '\nYou can read any of these resources using their URI.'
+                }
+            ]
+        };
+    });
+    // Register a long-running tool that demonstrates task execution
+    // Using the experimental tasks API - WARNING: may change without notice
+    server.experimental.tasks.registerToolTask('delay', {
+        title: 'Delay',
+        description: 'A simple tool that delays for a specified duration, useful for testing task execution',
+        inputSchema: {
+            duration: z.number().describe('Duration in milliseconds').default(5000)
+        }
+    }, {
+        async createTask({ duration }, { taskStore, taskRequestedTtl }) {
+            // Create the task
+            const task = await taskStore.createTask({
+                ttl: taskRequestedTtl
+            });
+            // Simulate out-of-band work
+            (async () => {
+                await new Promise(resolve => setTimeout(resolve, duration));
+                await taskStore.storeTaskResult(task.taskId, 'completed', {
+                    content: [
+                        {
+                            type: 'text',
+                            text: `Completed ${duration}ms delay`
+                        }
+                    ]
+                });
+            })();
+            // Return CreateTaskResult with the created task
+            return {
+                task
+            };
+        },
+        async getTask(_args, { taskId, taskStore }) {
+            return await taskStore.getTask(taskId);
+        },
+        async getTaskResult(_args, { taskId, taskStore }) {
+            const result = await taskStore.getTaskResult(taskId);
+            return result;
+        }
+    });
+    return server;
+};
+const MCP_PORT = process.env.MCP_PORT ? parseInt(process.env.MCP_PORT, 10) : 3000;
+const AUTH_PORT = process.env.MCP_AUTH_PORT ? parseInt(process.env.MCP_AUTH_PORT, 10) : 3001;
+const app = createMcpExpressApp();
+// Set up OAuth if enabled
+let authMiddleware = null;
+if (useOAuth) {
+    // Create auth middleware for MCP endpoints
+    const mcpServerUrl = new URL(`http://localhost:${MCP_PORT}/mcp`);
+    const authServerUrl = new URL(`http://localhost:${AUTH_PORT}`);
+    const oauthMetadata = setupAuthServer({ authServerUrl, mcpServerUrl, strictResource: strictOAuth });
+    const tokenVerifier = {
+        verifyAccessToken: async (token) => {
+            const endpoint = oauthMetadata.introspection_endpoint;
+            if (!endpoint) {
+                throw new Error('No token verification endpoint available in metadata');
+            }
+            const response = await fetch(endpoint, {
+                method: 'POST',
+                headers: {
+                    'Content-Type': 'application/x-www-form-urlencoded'
+                },
+                body: new URLSearchParams({
+                    token: token
+                }).toString()
+            });
+            if (!response.ok) {
+                const text = await response.text().catch(() => null);
+                throw new Error(`Invalid or expired token: ${text}`);
+            }
+            const data = await response.json();
+            if (strictOAuth) {
+                if (!data.aud) {
+                    throw new Error(`Resource Indicator (RFC8707) missing`);
+                }
+                if (!checkResourceAllowed({ requestedResource: data.aud, configuredResource: mcpServerUrl })) {
+                    throw new Error(`Expected resource indicator ${mcpServerUrl}, got: ${data.aud}`);
+                }
+            }
+            // Convert the response to AuthInfo format
+            return {
+                token,
+                clientId: data.client_id,
+                scopes: data.scope ? data.scope.split(' ') : [],
+                expiresAt: data.exp
+            };
+        }
+    };
+    // Add metadata routes to the main MCP server
+    app.use(mcpAuthMetadataRouter({
+        oauthMetadata,
+        resourceServerUrl: mcpServerUrl,
+        scopesSupported: ['mcp:tools'],
+        resourceName: 'MCP Demo Server'
+    }));
+    authMiddleware = requireBearerAuth({
+        verifier: tokenVerifier,
+        requiredScopes: [],
+        resourceMetadataUrl: getOAuthProtectedResourceMetadataUrl(mcpServerUrl)
+    });
+}
+// Map to store transports by session ID
+const transports = {};
+// MCP POST endpoint with optional auth
+const mcpPostHandler = async (req, res) => {
+    const sessionId = req.headers['mcp-session-id'];
+    if (sessionId) {
+        console.log(`Received MCP request for session: ${sessionId}`);
+    }
+    else {
+        console.log('Request body:', req.body);
+    }
+    if (useOAuth && req.auth) {
+        console.log('Authenticated user:', req.auth);
+    }
+    try {
+        let transport;
+        if (sessionId && transports[sessionId]) {
+            // Reuse existing transport
+            transport = transports[sessionId];
+        }
+        else if (!sessionId && isInitializeRequest(req.body)) {
+            // New initialization request
+            const eventStore = new InMemoryEventStore();
+            transport = new StreamableHTTPServerTransport({
+                sessionIdGenerator: () => randomUUID(),
+                eventStore, // Enable resumability
+                onsessioninitialized: sessionId => {
+                    // Store the transport by session ID when session is initialized
+                    // This avoids race conditions where requests might come in before the session is stored
+                    console.log(`Session initialized with ID: ${sessionId}`);
+                    transports[sessionId] = transport;
+                }
+            });
+            // Set up onclose handler to clean up transport when closed
+            transport.onclose = () => {
+                const sid = transport.sessionId;
+                if (sid && transports[sid]) {
+                    console.log(`Transport closed for session ${sid}, removing from transports map`);
+                    delete transports[sid];
+                }
+            };
+            // Connect the transport to the MCP server BEFORE handling the request
+            // so responses can flow back through the same transport
+            const server = getServer();
+            await server.connect(transport);
+            await transport.handleRequest(req, res, req.body);
+            return; // Already handled
+        }
+        else {
+            // Invalid request - no session ID or not initialization request
+            res.status(400).json({
+                jsonrpc: '2.0',
+                error: {
+                    code: -32000,
+                    message: 'Bad Request: No valid session ID provided'
+                },
+                id: null
+            });
+            return;
+        }
+        // Handle the request with existing transport - no need to reconnect
+        // The existing transport is already connected to the server
+        await transport.handleRequest(req, res, req.body);
+    }
+    catch (error) {
+        console.error('Error handling MCP request:', error);
+        if (!res.headersSent) {
+            res.status(500).json({
+                jsonrpc: '2.0',
+                error: {
+                    code: -32603,
+                    message: 'Internal server error'
+                },
+                id: null
+            });
+        }
+    }
+};
+// Set up routes with conditional auth middleware
+if (useOAuth && authMiddleware) {
+    app.post('/mcp', authMiddleware, mcpPostHandler);
+}
+else {
+    app.post('/mcp', mcpPostHandler);
+}
+// Handle GET requests for SSE streams (using built-in support from StreamableHTTP)
+const mcpGetHandler = async (req, res) => {
+    const sessionId = req.headers['mcp-session-id'];
+    if (!sessionId || !transports[sessionId]) {
+        res.status(400).send('Invalid or missing session ID');
+        return;
+    }
+    if (useOAuth && req.auth) {
+        console.log('Authenticated SSE connection from user:', req.auth);
+    }
+    // Check for Last-Event-ID header for resumability
+    const lastEventId = req.headers['last-event-id'];
+    if (lastEventId) {
+        console.log(`Client reconnecting with Last-Event-ID: ${lastEventId}`);
+    }
+    else {
+        console.log(`Establishing new SSE stream for session ${sessionId}`);
+    }
+    const transport = transports[sessionId];
+    await transport.handleRequest(req, res);
+};
+// Set up GET route with conditional auth middleware
+if (useOAuth && authMiddleware) {
+    app.get('/mcp', authMiddleware, mcpGetHandler);
+}
+else {
+    app.get('/mcp', mcpGetHandler);
+}
+// Handle DELETE requests for session termination (according to MCP spec)
+const mcpDeleteHandler = async (req, res) => {
+    const sessionId = req.headers['mcp-session-id'];
+    if (!sessionId || !transports[sessionId]) {
+        res.status(400).send('Invalid or missing session ID');
+        return;
+    }
+    console.log(`Received session termination request for session ${sessionId}`);
+    try {
+        const transport = transports[sessionId];
+        await transport.handleRequest(req, res);
+    }
+    catch (error) {
+        console.error('Error handling session termination:', error);
+        if (!res.headersSent) {
+            res.status(500).send('Error processing session termination');
+        }
+    }
+};
+// Set up DELETE route with conditional auth middleware
+if (useOAuth && authMiddleware) {
+    app.delete('/mcp', authMiddleware, mcpDeleteHandler);
+}
+else {
+    app.delete('/mcp', mcpDeleteHandler);
+}
+app.listen(MCP_PORT, error => {
+    if (error) {
+        console.error('Failed to start server:', error);
+        process.exit(1);
+    }
+    console.log(`MCP Streamable HTTP Server listening on port ${MCP_PORT}`);
+});
+// Handle server shutdown
+process.on('SIGINT', async () => {
+    console.log('Shutting down server...');
+    // Close all active transports to properly clean up resources
+    for (const sessionId in transports) {
+        try {
+            console.log(`Closing transport for session ${sessionId}`);
+            await transports[sessionId].close();
+            delete transports[sessionId];
+        }
+        catch (error) {
+            console.error(`Error closing transport for session ${sessionId}:`, error);
+        }
+    }
+    console.log('Server shutdown complete');
+    process.exit(0);
+});
+//# sourceMappingURL=simpleStreamableHttp.js.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/simpleTaskInteractive.d.ts

@@ -0,0 +1,12 @@
+/**
+ * Simple interactive task server demonstrating elicitation and sampling.
+ *
+ * This server demonstrates the task message queue pattern from the MCP Tasks spec:
+ * - confirm_delete: Uses elicitation to ask the user for confirmation
+ * - write_haiku: Uses sampling to request an LLM to generate content
+ *
+ * Both tools use the "call-now, fetch-later" pattern where the initial call
+ * creates a task, and the result is fetched via tasks/result endpoint.
+ */
+export {};
+//# sourceMappingURL=simpleTaskInteractive.d.ts.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/simpleTaskInteractive.d.ts.map

@@ -0,0 +1 @@
+{"version":3,"file":"simpleTaskInteractive.d.ts","sourceRoot":"","sources":["../../../../src/examples/server/simpleTaskInteractive.ts"],"names":[],"mappings":"AAAA;;;;;;;;;GASG"}

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/simpleTaskInteractive.js

@@ -0,0 +1,598 @@
+/**
+ * Simple interactive task server demonstrating elicitation and sampling.
+ *
+ * This server demonstrates the task message queue pattern from the MCP Tasks spec:
+ * - confirm_delete: Uses elicitation to ask the user for confirmation
+ * - write_haiku: Uses sampling to request an LLM to generate content
+ *
+ * Both tools use the "call-now, fetch-later" pattern where the initial call
+ * creates a task, and the result is fetched via tasks/result endpoint.
+ */
+import { randomUUID } from 'node:crypto';
+import { Server } from '../../server/index.js';
+import { createMcpExpressApp } from '../../server/express.js';
+import { StreamableHTTPServerTransport } from '../../server/streamableHttp.js';
+import { RELATED_TASK_META_KEY, ListToolsRequestSchema, CallToolRequestSchema, GetTaskRequestSchema, GetTaskPayloadRequestSchema } from '../../types.js';
+import { isTerminal } from '../../experimental/tasks/interfaces.js';
+import { InMemoryTaskStore } from '../../experimental/tasks/stores/in-memory.js';
+// ============================================================================
+// Resolver - Promise-like for passing results between async operations
+// ============================================================================
+class Resolver {
+    constructor() {
+        this._done = false;
+        this._promise = new Promise((resolve, reject) => {
+            this._resolve = resolve;
+            this._reject = reject;
+        });
+    }
+    setResult(value) {
+        if (this._done)
+            return;
+        this._done = true;
+        this._resolve(value);
+    }
+    setException(error) {
+        if (this._done)
+            return;
+        this._done = true;
+        this._reject(error);
+    }
+    wait() {
+        return this._promise;
+    }
+    done() {
+        return this._done;
+    }
+}
+class TaskMessageQueueWithResolvers {
+    constructor() {
+        this.queues = new Map();
+        this.waitResolvers = new Map();
+    }
+    getQueue(taskId) {
+        let queue = this.queues.get(taskId);
+        if (!queue) {
+            queue = [];
+            this.queues.set(taskId, queue);
+        }
+        return queue;
+    }
+    async enqueue(taskId, message, _sessionId, maxSize) {
+        const queue = this.getQueue(taskId);
+        if (maxSize !== undefined && queue.length >= maxSize) {
+            throw new Error(`Task message queue overflow: queue size (${queue.length}) exceeds maximum (${maxSize})`);
+        }
+        queue.push(message);
+        // Notify any waiters
+        this.notifyWaiters(taskId);
+    }
+    async enqueueWithResolver(taskId, message, resolver, originalRequestId) {
+        const queue = this.getQueue(taskId);
+        const queuedMessage = {
+            type: 'request',
+            message,
+            timestamp: Date.now(),
+            resolver,
+            originalRequestId
+        };
+        queue.push(queuedMessage);
+        this.notifyWaiters(taskId);
+    }
+    async dequeue(taskId, _sessionId) {
+        const queue = this.getQueue(taskId);
+        return queue.shift();
+    }
+    async dequeueAll(taskId, _sessionId) {
+        const queue = this.queues.get(taskId) ?? [];
+        this.queues.delete(taskId);
+        return queue;
+    }
+    async waitForMessage(taskId) {
+        // Check if there are already messages
+        const queue = this.getQueue(taskId);
+        if (queue.length > 0)
+            return;
+        // Wait for a message to be added
+        return new Promise(resolve => {
+            let waiters = this.waitResolvers.get(taskId);
+            if (!waiters) {
+                waiters = [];
+                this.waitResolvers.set(taskId, waiters);
+            }
+            waiters.push(resolve);
+        });
+    }
+    notifyWaiters(taskId) {
+        const waiters = this.waitResolvers.get(taskId);
+        if (waiters) {
+            this.waitResolvers.delete(taskId);
+            for (const resolve of waiters) {
+                resolve();
+            }
+        }
+    }
+    cleanup() {
+        this.queues.clear();
+        this.waitResolvers.clear();
+    }
+}
+// ============================================================================
+// Extended task store with wait functionality
+// ============================================================================
+class TaskStoreWithNotifications extends InMemoryTaskStore {
+    constructor() {
+        super(...arguments);
+        this.updateResolvers = new Map();
+    }
+    async updateTaskStatus(taskId, status, statusMessage, sessionId) {
+        await super.updateTaskStatus(taskId, status, statusMessage, sessionId);
+        this.notifyUpdate(taskId);
+    }
+    async storeTaskResult(taskId, status, result, sessionId) {
+        await super.storeTaskResult(taskId, status, result, sessionId);
+        this.notifyUpdate(taskId);
+    }
+    async waitForUpdate(taskId) {
+        return new Promise(resolve => {
+            let waiters = this.updateResolvers.get(taskId);
+            if (!waiters) {
+                waiters = [];
+                this.updateResolvers.set(taskId, waiters);
+            }
+            waiters.push(resolve);
+        });
+    }
+    notifyUpdate(taskId) {
+        const waiters = this.updateResolvers.get(taskId);
+        if (waiters) {
+            this.updateResolvers.delete(taskId);
+            for (const resolve of waiters) {
+                resolve();
+            }
+        }
+    }
+}
+// ============================================================================
+// Task Result Handler - delivers queued messages and routes responses
+// ============================================================================
+class TaskResultHandler {
+    constructor(store, queue) {
+        this.store = store;
+        this.queue = queue;
+        this.pendingRequests = new Map();
+    }
+    async handle(taskId, server, _sessionId) {
+        while (true) {
+            // Get fresh task state
+            const task = await this.store.getTask(taskId);
+            if (!task) {
+                throw new Error(`Task not found: ${taskId}`);
+            }
+            // Dequeue and send all pending messages
+            await this.deliverQueuedMessages(taskId, server, _sessionId);
+            // If task is terminal, return result
+            if (isTerminal(task.status)) {
+                const result = await this.store.getTaskResult(taskId);
+                // Add related-task metadata per spec
+                return {
+                    ...result,
+                    _meta: {
+                        ...(result._meta || {}),
+                        [RELATED_TASK_META_KEY]: { taskId }
+                    }
+                };
+            }
+            // Wait for task update or new message
+            await this.waitForUpdate(taskId);
+        }
+    }
+    async deliverQueuedMessages(taskId, server, _sessionId) {
+        while (true) {
+            const message = await this.queue.dequeue(taskId);
+            if (!message)
+                break;
+            console.log(`[Server] Delivering queued ${message.type} message for task ${taskId}`);
+            if (message.type === 'request') {
+                const reqMessage = message;
+                // Send the request via the server
+                // Store the resolver so we can route the response back
+                if (reqMessage.resolver && reqMessage.originalRequestId) {
+                    this.pendingRequests.set(reqMessage.originalRequestId, reqMessage.resolver);
+                }
+                // Send the message - for elicitation/sampling, we use the server's methods
+                // But since we're in tasks/result context, we need to send via transport
+                // This is simplified - in production you'd use proper message routing
+                try {
+                    const request = reqMessage.message;
+                    let response;
+                    if (request.method === 'elicitation/create') {
+                        // Send elicitation request to client
+                        const params = request.params;
+                        response = await server.elicitInput(params);
+                    }
+                    else if (request.method === 'sampling/createMessage') {
+                        // Send sampling request to client
+                        const params = request.params;
+                        response = await server.createMessage(params);
+                    }
+                    else {
+                        throw new Error(`Unknown request method: ${request.method}`);
+                    }
+                    // Route response back to resolver
+                    if (reqMessage.resolver) {
+                        reqMessage.resolver.setResult(response);
+                    }
+                }
+                catch (error) {
+                    if (reqMessage.resolver) {
+                        reqMessage.resolver.setException(error instanceof Error ? error : new Error(String(error)));
+                    }
+                }
+            }
+            // For notifications, we'd send them too but this example focuses on requests
+        }
+    }
+    async waitForUpdate(taskId) {
+        // Race between store update and queue message
+        await Promise.race([this.store.waitForUpdate(taskId), this.queue.waitForMessage(taskId)]);
+    }
+    routeResponse(requestId, response) {
+        const resolver = this.pendingRequests.get(requestId);
+        if (resolver && !resolver.done()) {
+            this.pendingRequests.delete(requestId);
+            resolver.setResult(response);
+            return true;
+        }
+        return false;
+    }
+    routeError(requestId, error) {
+        const resolver = this.pendingRequests.get(requestId);
+        if (resolver && !resolver.done()) {
+            this.pendingRequests.delete(requestId);
+            resolver.setException(error);
+            return true;
+        }
+        return false;
+    }
+}
+// ============================================================================
+// Task Session - wraps server to enqueue requests during task execution
+// ============================================================================
+class TaskSession {
+    constructor(server, taskId, store, queue) {
+        this.server = server;
+        this.taskId = taskId;
+        this.store = store;
+        this.queue = queue;
+        this.requestCounter = 0;
+    }
+    nextRequestId() {
+        return `task-${this.taskId}-${++this.requestCounter}`;
+    }
+    async elicit(message, requestedSchema) {
+        // Update task status to input_required
+        await this.store.updateTaskStatus(this.taskId, 'input_required');
+        const requestId = this.nextRequestId();
+        // Build the elicitation request with related-task metadata
+        const params = {
+            message,
+            requestedSchema,
+            mode: 'form',
+            _meta: {
+                [RELATED_TASK_META_KEY]: { taskId: this.taskId }
+            }
+        };
+        const jsonrpcRequest = {
+            jsonrpc: '2.0',
+            id: requestId,
+            method: 'elicitation/create',
+            params
+        };
+        // Create resolver to wait for response
+        const resolver = new Resolver();
+        // Enqueue the request
+        await this.queue.enqueueWithResolver(this.taskId, jsonrpcRequest, resolver, requestId);
+        try {
+            // Wait for response
+            const response = await resolver.wait();
+            // Update status back to working
+            await this.store.updateTaskStatus(this.taskId, 'working');
+            return response;
+        }
+        catch (error) {
+            await this.store.updateTaskStatus(this.taskId, 'working');
+            throw error;
+        }
+    }
+    async createMessage(messages, maxTokens) {
+        // Update task status to input_required
+        await this.store.updateTaskStatus(this.taskId, 'input_required');
+        const requestId = this.nextRequestId();
+        // Build the sampling request with related-task metadata
+        const params = {
+            messages,
+            maxTokens,
+            _meta: {
+                [RELATED_TASK_META_KEY]: { taskId: this.taskId }
+            }
+        };
+        const jsonrpcRequest = {
+            jsonrpc: '2.0',
+            id: requestId,
+            method: 'sampling/createMessage',
+            params
+        };
+        // Create resolver to wait for response
+        const resolver = new Resolver();
+        // Enqueue the request
+        await this.queue.enqueueWithResolver(this.taskId, jsonrpcRequest, resolver, requestId);
+        try {
+            // Wait for response
+            const response = await resolver.wait();
+            // Update status back to working
+            await this.store.updateTaskStatus(this.taskId, 'working');
+            return response;
+        }
+        catch (error) {
+            await this.store.updateTaskStatus(this.taskId, 'working');
+            throw error;
+        }
+    }
+}
+// ============================================================================
+// Server Setup
+// ============================================================================
+const PORT = process.env.PORT ? parseInt(process.env.PORT, 10) : 8000;
+// Create shared stores
+const taskStore = new TaskStoreWithNotifications();
+const messageQueue = new TaskMessageQueueWithResolvers();
+const taskResultHandler = new TaskResultHandler(taskStore, messageQueue);
+// Track active task executions
+const activeTaskExecutions = new Map();
+// Create the server
+const createServer = () => {
+    const server = new Server({ name: 'simple-task-interactive', version: '1.0.0' }, {
+        capabilities: {
+            tools: {},
+            tasks: {
+                requests: {
+                    tools: { call: {} }
+                }
+            }
+        }
+    });
+    // Register tools
+    server.setRequestHandler(ListToolsRequestSchema, async () => {
+        return {
+            tools: [
+                {
+                    name: 'confirm_delete',
+                    description: 'Asks for confirmation before deleting (demonstrates elicitation)',
+                    inputSchema: {
+                        type: 'object',
+                        properties: {
+                            filename: { type: 'string' }
+                        }
+                    },
+                    execution: { taskSupport: 'required' }
+                },
+                {
+                    name: 'write_haiku',
+                    description: 'Asks LLM to write a haiku (demonstrates sampling)',
+                    inputSchema: {
+                        type: 'object',
+                        properties: {
+                            topic: { type: 'string' }
+                        }
+                    },
+                    execution: { taskSupport: 'required' }
+                }
+            ]
+        };
+    });
+    // Handle tool calls
+    server.setRequestHandler(CallToolRequestSchema, async (request, extra) => {
+        const { name, arguments: args } = request.params;
+        const taskParams = (request.params._meta?.task || request.params.task);
+        // Validate task mode - these tools require tasks
+        if (!taskParams) {
+            throw new Error(`Tool ${name} requires task mode`);
+        }
+        // Create task
+        const taskOptions = {
+            ttl: taskParams.ttl,
+            pollInterval: taskParams.pollInterval ?? 1000
+        };
+        const task = await taskStore.createTask(taskOptions, extra.requestId, request, extra.sessionId);
+        console.log(`\n[Server] ${name} called, task created: ${task.taskId}`);
+        // Start background task execution
+        const taskExecution = (async () => {
+            try {
+                const taskSession = new TaskSession(server, task.taskId, taskStore, messageQueue);
+                if (name === 'confirm_delete') {
+                    const filename = args?.filename ?? 'unknown.txt';
+                    console.log(`[Server] confirm_delete: asking about '${filename}'`);
+                    console.log('[Server] Sending elicitation request to client...');
+                    const result = await taskSession.elicit(`Are you sure you want to delete '${filename}'?`, {
+                        type: 'object',
+                        properties: {
+                            confirm: { type: 'boolean' }
+                        },
+                        required: ['confirm']
+                    });
+                    console.log(`[Server] Received elicitation response: action=${result.action}, content=${JSON.stringify(result.content)}`);
+                    let text;
+                    if (result.action === 'accept' && result.content) {
+                        const confirmed = result.content.confirm;
+                        text = confirmed ? `Deleted '${filename}'` : 'Deletion cancelled';
+                    }
+                    else {
+                        text = 'Deletion cancelled';
+                    }
+                    console.log(`[Server] Completing task with result: ${text}`);
+                    await taskStore.storeTaskResult(task.taskId, 'completed', {
+                        content: [{ type: 'text', text }]
+                    });
+                }
+                else if (name === 'write_haiku') {
+                    const topic = args?.topic ?? 'nature';
+                    console.log(`[Server] write_haiku: topic '${topic}'`);
+                    console.log('[Server] Sending sampling request to client...');
+                    const result = await taskSession.createMessage([
+                        {
+                            role: 'user',
+                            content: { type: 'text', text: `Write a haiku about ${topic}` }
+                        }
+                    ], 50);
+                    let haiku = 'No response';
+                    if (result.content && 'text' in result.content) {
+                        haiku = result.content.text;
+                    }
+                    console.log(`[Server] Received sampling response: ${haiku.substring(0, 50)}...`);
+                    console.log('[Server] Completing task with haiku');
+                    await taskStore.storeTaskResult(task.taskId, 'completed', {
+                        content: [{ type: 'text', text: `Haiku:\n${haiku}` }]
+                    });
+                }
+            }
+            catch (error) {
+                console.error(`[Server] Task ${task.taskId} failed:`, error);
+                await taskStore.storeTaskResult(task.taskId, 'failed', {
+                    content: [{ type: 'text', text: `Error: ${error}` }],
+                    isError: true
+                });
+            }
+            finally {
+                activeTaskExecutions.delete(task.taskId);
+            }
+        })();
+        activeTaskExecutions.set(task.taskId, {
+            promise: taskExecution,
+            server,
+            sessionId: extra.sessionId ?? ''
+        });
+        return { task };
+    });
+    // Handle tasks/get
+    server.setRequestHandler(GetTaskRequestSchema, async (request) => {
+        const { taskId } = request.params;
+        const task = await taskStore.getTask(taskId);
+        if (!task) {
+            throw new Error(`Task ${taskId} not found`);
+        }
+        return task;
+    });
+    // Handle tasks/result
+    server.setRequestHandler(GetTaskPayloadRequestSchema, async (request, extra) => {
+        const { taskId } = request.params;
+        console.log(`[Server] tasks/result called for task ${taskId}`);
+        return taskResultHandler.handle(taskId, server, extra.sessionId ?? '');
+    });
+    return server;
+};
+// ============================================================================
+// Express App Setup
+// ============================================================================
+const app = createMcpExpressApp();
+// Map to store transports by session ID
+const transports = {};
+// Helper to check if request is initialize
+const isInitializeRequest = (body) => {
+    return typeof body === 'object' && body !== null && 'method' in body && body.method === 'initialize';
+};
+// MCP POST endpoint
+app.post('/mcp', async (req, res) => {
+    const sessionId = req.headers['mcp-session-id'];
+    try {
+        let transport;
+        if (sessionId && transports[sessionId]) {
+            transport = transports[sessionId];
+        }
+        else if (!sessionId && isInitializeRequest(req.body)) {
+            transport = new StreamableHTTPServerTransport({
+                sessionIdGenerator: () => randomUUID(),
+                onsessioninitialized: sid => {
+                    console.log(`Session initialized: ${sid}`);
+                    transports[sid] = transport;
+                }
+            });
+            transport.onclose = () => {
+                const sid = transport.sessionId;
+                if (sid && transports[sid]) {
+                    console.log(`Transport closed for session ${sid}`);
+                    delete transports[sid];
+                }
+            };
+            const server = createServer();
+            await server.connect(transport);
+            await transport.handleRequest(req, res, req.body);
+            return;
+        }
+        else {
+            res.status(400).json({
+                jsonrpc: '2.0',
+                error: { code: -32000, message: 'Bad Request: No valid session ID' },
+                id: null
+            });
+            return;
+        }
+        await transport.handleRequest(req, res, req.body);
+    }
+    catch (error) {
+        console.error('Error handling MCP request:', error);
+        if (!res.headersSent) {
+            res.status(500).json({
+                jsonrpc: '2.0',
+                error: { code: -32603, message: 'Internal server error' },
+                id: null
+            });
+        }
+    }
+});
+// Handle GET requests for SSE streams
+app.get('/mcp', async (req, res) => {
+    const sessionId = req.headers['mcp-session-id'];
+    if (!sessionId || !transports[sessionId]) {
+        res.status(400).send('Invalid or missing session ID');
+        return;
+    }
+    const transport = transports[sessionId];
+    await transport.handleRequest(req, res);
+});
+// Handle DELETE requests for session termination
+app.delete('/mcp', async (req, res) => {
+    const sessionId = req.headers['mcp-session-id'];
+    if (!sessionId || !transports[sessionId]) {
+        res.status(400).send('Invalid or missing session ID');
+        return;
+    }
+    console.log(`Session termination request: ${sessionId}`);
+    const transport = transports[sessionId];
+    await transport.handleRequest(req, res);
+});
+// Start server
+app.listen(PORT, () => {
+    console.log(`Starting server on http://localhost:${PORT}/mcp`);
+    console.log('\nAvailable tools:');
+    console.log('  - confirm_delete: Demonstrates elicitation (asks user y/n)');
+    console.log('  - write_haiku: Demonstrates sampling (requests LLM completion)');
+});
+// Handle shutdown
+process.on('SIGINT', async () => {
+    console.log('\nShutting down server...');
+    for (const sessionId of Object.keys(transports)) {
+        try {
+            await transports[sessionId].close();
+            delete transports[sessionId];
+        }
+        catch (error) {
+            console.error(`Error closing session ${sessionId}:`, error);
+        }
+    }
+    taskStore.cleanup();
+    messageQueue.cleanup();
+    console.log('Server shutdown complete');
+    process.exit(0);
+});
+//# sourceMappingURL=simpleTaskInteractive.js.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/sseAndStreamableHttpCompatibleServer.d.ts

@@ -0,0 +1,2 @@
+export {};
+//# sourceMappingURL=sseAndStreamableHttpCompatibleServer.d.ts.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/sseAndStreamableHttpCompatibleServer.d.ts.map

@@ -0,0 +1 @@
+{"version":3,"file":"sseAndStreamableHttpCompatibleServer.d.ts","sourceRoot":"","sources":["../../../../src/examples/server/sseAndStreamableHttpCompatibleServer.ts"],"names":[],"mappings":""}

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/sseAndStreamableHttpCompatibleServer.js

@@ -0,0 +1,231 @@
+import { randomUUID } from 'node:crypto';
+import { McpServer } from '../../server/mcp.js';
+import { StreamableHTTPServerTransport } from '../../server/streamableHttp.js';
+import { SSEServerTransport } from '../../server/sse.js';
+import * as z from 'zod/v4';
+import { isInitializeRequest } from '../../types.js';
+import { InMemoryEventStore } from '../shared/inMemoryEventStore.js';
+import { createMcpExpressApp } from '../../server/express.js';
+/**
+ * This example server demonstrates backwards compatibility with both:
+ * 1. The deprecated HTTP+SSE transport (protocol version 2024-11-05)
+ * 2. The Streamable HTTP transport (protocol version 2025-11-25)
+ *
+ * It maintains a single MCP server instance but exposes two transport options:
+ * - /mcp: The new Streamable HTTP endpoint (supports GET/POST/DELETE)
+ * - /sse: The deprecated SSE endpoint for older clients (GET to establish stream)
+ * - /messages: The deprecated POST endpoint for older clients (POST to send messages)
+ */
+const getServer = () => {
+    const server = new McpServer({
+        name: 'backwards-compatible-server',
+        version: '1.0.0'
+    }, { capabilities: { logging: {} } });
+    // Register a simple tool that sends notifications over time
+    server.registerTool('start-notification-stream', {
+        description: 'Starts sending periodic notifications for testing resumability',
+        inputSchema: {
+            interval: z.number().describe('Interval in milliseconds between notifications').default(100),
+            count: z.number().describe('Number of notifications to send (0 for 100)').default(50)
+        }
+    }, async ({ interval, count }, extra) => {
+        const sleep = (ms) => new Promise(resolve => setTimeout(resolve, ms));
+        let counter = 0;
+        while (count === 0 || counter < count) {
+            counter++;
+            try {
+                await server.sendLoggingMessage({
+                    level: 'info',
+                    data: `Periodic notification #${counter} at ${new Date().toISOString()}`
+                }, extra.sessionId);
+            }
+            catch (error) {
+                console.error('Error sending notification:', error);
+            }
+            // Wait for the specified interval
+            await sleep(interval);
+        }
+        return {
+            content: [
+                {
+                    type: 'text',
+                    text: `Started sending periodic notifications every ${interval}ms`
+                }
+            ]
+        };
+    });
+    return server;
+};
+// Create Express application
+const app = createMcpExpressApp();
+// Store transports by session ID
+const transports = {};
+//=============================================================================
+// STREAMABLE HTTP TRANSPORT (PROTOCOL VERSION 2025-11-25)
+//=============================================================================
+// Handle all MCP Streamable HTTP requests (GET, POST, DELETE) on a single endpoint
+app.all('/mcp', async (req, res) => {
+    console.log(`Received ${req.method} request to /mcp`);
+    try {
+        // Check for existing session ID
+        const sessionId = req.headers['mcp-session-id'];
+        let transport;
+        if (sessionId && transports[sessionId]) {
+            // Check if the transport is of the correct type
+            const existingTransport = transports[sessionId];
+            if (existingTransport instanceof StreamableHTTPServerTransport) {
+                // Reuse existing transport
+                transport = existingTransport;
+            }
+            else {
+                // Transport exists but is not a StreamableHTTPServerTransport (could be SSEServerTransport)
+                res.status(400).json({
+                    jsonrpc: '2.0',
+                    error: {
+                        code: -32000,
+                        message: 'Bad Request: Session exists but uses a different transport protocol'
+                    },
+                    id: null
+                });
+                return;
+            }
+        }
+        else if (!sessionId && req.method === 'POST' && isInitializeRequest(req.body)) {
+            const eventStore = new InMemoryEventStore();
+            transport = new StreamableHTTPServerTransport({
+                sessionIdGenerator: () => randomUUID(),
+                eventStore, // Enable resumability
+                onsessioninitialized: sessionId => {
+                    // Store the transport by session ID when session is initialized
+                    console.log(`StreamableHTTP session initialized with ID: ${sessionId}`);
+                    transports[sessionId] = transport;
+                }
+            });
+            // Set up onclose handler to clean up transport when closed
+            transport.onclose = () => {
+                const sid = transport.sessionId;
+                if (sid && transports[sid]) {
+                    console.log(`Transport closed for session ${sid}, removing from transports map`);
+                    delete transports[sid];
+                }
+            };
+            // Connect the transport to the MCP server
+            const server = getServer();
+            await server.connect(transport);
+        }
+        else {
+            // Invalid request - no session ID or not initialization request
+            res.status(400).json({
+                jsonrpc: '2.0',
+                error: {
+                    code: -32000,
+                    message: 'Bad Request: No valid session ID provided'
+                },
+                id: null
+            });
+            return;
+        }
+        // Handle the request with the transport
+        await transport.handleRequest(req, res, req.body);
+    }
+    catch (error) {
+        console.error('Error handling MCP request:', error);
+        if (!res.headersSent) {
+            res.status(500).json({
+                jsonrpc: '2.0',
+                error: {
+                    code: -32603,
+                    message: 'Internal server error'
+                },
+                id: null
+            });
+        }
+    }
+});
+//=============================================================================
+// DEPRECATED HTTP+SSE TRANSPORT (PROTOCOL VERSION 2024-11-05)
+//=============================================================================
+app.get('/sse', async (req, res) => {
+    console.log('Received GET request to /sse (deprecated SSE transport)');
+    const transport = new SSEServerTransport('/messages', res);
+    transports[transport.sessionId] = transport;
+    res.on('close', () => {
+        delete transports[transport.sessionId];
+    });
+    const server = getServer();
+    await server.connect(transport);
+});
+app.post('/messages', async (req, res) => {
+    const sessionId = req.query.sessionId;
+    let transport;
+    const existingTransport = transports[sessionId];
+    if (existingTransport instanceof SSEServerTransport) {
+        // Reuse existing transport
+        transport = existingTransport;
+    }
+    else {
+        // Transport exists but is not a SSEServerTransport (could be StreamableHTTPServerTransport)
+        res.status(400).json({
+            jsonrpc: '2.0',
+            error: {
+                code: -32000,
+                message: 'Bad Request: Session exists but uses a different transport protocol'
+            },
+            id: null
+        });
+        return;
+    }
+    if (transport) {
+        await transport.handlePostMessage(req, res, req.body);
+    }
+    else {
+        res.status(400).send('No transport found for sessionId');
+    }
+});
+// Start the server
+const PORT = 3000;
+app.listen(PORT, error => {
+    if (error) {
+        console.error('Failed to start server:', error);
+        process.exit(1);
+    }
+    console.log(`Backwards compatible MCP server listening on port ${PORT}`);
+    console.log(`
+==============================================
+SUPPORTED TRANSPORT OPTIONS:
+
+1. Streamable Http(Protocol version: 2025-11-25)
+   Endpoint: /mcp
+   Methods: GET, POST, DELETE
+   Usage:
+     - Initialize with POST to /mcp
+     - Establish SSE stream with GET to /mcp
+     - Send requests with POST to /mcp
+     - Terminate session with DELETE to /mcp
+
+2. Http + SSE (Protocol version: 2024-11-05)
+   Endpoints: /sse (GET) and /messages (POST)
+   Usage:
+     - Establish SSE stream with GET to /sse
+     - Send requests with POST to /messages?sessionId=<id>
+==============================================
+`);
+});
+// Handle server shutdown
+process.on('SIGINT', async () => {
+    console.log('Shutting down server...');
+    // Close all active transports to properly clean up resources
+    for (const sessionId in transports) {
+        try {
+            console.log(`Closing transport for session ${sessionId}`);
+            await transports[sessionId].close();
+            delete transports[sessionId];
+        }
+        catch (error) {
+            console.error(`Error closing transport for session ${sessionId}:`, error);
+        }
+    }
+    console.log('Server shutdown complete');
+    process.exit(0);
+});
+//# sourceMappingURL=sseAndStreamableHttpCompatibleServer.js.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/ssePollingExample.d.ts

@@ -0,0 +1,2 @@
+export {};
+//# sourceMappingURL=ssePollingExample.d.ts.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/ssePollingExample.d.ts.map

@@ -0,0 +1 @@
+{"version":3,"file":"ssePollingExample.d.ts","sourceRoot":"","sources":["../../../../src/examples/server/ssePollingExample.ts"],"names":[],"mappings":""}

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/ssePollingExample.js

@@ -0,0 +1,102 @@
+import { randomUUID } from 'node:crypto';
+import { McpServer } from '../../server/mcp.js';
+import { createMcpExpressApp } from '../../server/express.js';
+import { StreamableHTTPServerTransport } from '../../server/streamableHttp.js';
+import { InMemoryEventStore } from '../shared/inMemoryEventStore.js';
+import cors from 'cors';
+// Factory to create a new MCP server per session.
+// Each session needs its own server+transport pair to avoid cross-session contamination.
+const getServer = () => {
+    const server = new McpServer({
+        name: 'sse-polling-example',
+        version: '1.0.0'
+    }, {
+        capabilities: { logging: {} }
+    });
+    // Register a long-running tool that demonstrates server-initiated disconnect
+    server.tool('long-task', 'A long-running task that sends progress updates. Server will disconnect mid-task to demonstrate polling.', {}, async (_args, extra) => {
+        const sleep = (ms) => new Promise(resolve => setTimeout(resolve, ms));
+        console.log(`[${extra.sessionId}] Starting long-task...`);
+        // Send first progress notification
+        await server.sendLoggingMessage({
+            level: 'info',
+            data: 'Progress: 25% - Starting work...'
+        }, extra.sessionId);
+        await sleep(1000);
+        // Send second progress notification
+        await server.sendLoggingMessage({
+            level: 'info',
+            data: 'Progress: 50% - Halfway there...'
+        }, extra.sessionId);
+        await sleep(1000);
+        // Server decides to disconnect the client to free resources
+        // Client will reconnect via GET with Last-Event-ID after the transport's retryInterval
+        // Use extra.closeSSEStream callback - available when eventStore is configured
+        if (extra.closeSSEStream) {
+            console.log(`[${extra.sessionId}] Closing SSE stream to trigger client polling...`);
+            extra.closeSSEStream();
+        }
+        // Continue processing while client is disconnected
+        // Events are stored in eventStore and will be replayed on reconnect
+        await sleep(500);
+        await server.sendLoggingMessage({
+            level: 'info',
+            data: 'Progress: 75% - Almost done (sent while client disconnected)...'
+        }, extra.sessionId);
+        await sleep(500);
+        await server.sendLoggingMessage({
+            level: 'info',
+            data: 'Progress: 100% - Complete!'
+        }, extra.sessionId);
+        console.log(`[${extra.sessionId}] Task complete`);
+        return {
+            content: [
+                {
+                    type: 'text',
+                    text: 'Long task completed successfully!'
+                }
+            ]
+        };
+    });
+    return server;
+};
+// Set up Express app
+const app = createMcpExpressApp();
+app.use(cors());
+// Create event store for resumability
+const eventStore = new InMemoryEventStore();
+// Track transports by session ID for session reuse
+const transports = new Map();
+// Handle all MCP requests
+app.all('/mcp', async (req, res) => {
+    const sessionId = req.headers['mcp-session-id'];
+    // Reuse existing transport or create new one
+    let transport = sessionId ? transports.get(sessionId) : undefined;
+    if (!transport) {
+        transport = new StreamableHTTPServerTransport({
+            sessionIdGenerator: () => randomUUID(),
+            eventStore,
+            retryInterval: 2000, // Default retry interval for priming events
+            onsessioninitialized: id => {
+                console.log(`[${id}] Session initialized`);
+                transports.set(id, transport);
+            }
+        });
+        // Create a new server per session and connect it to the transport
+        const server = getServer();
+        await server.connect(transport);
+    }
+    await transport.handleRequest(req, res, req.body);
+});
+// Start the server
+const PORT = 3001;
+app.listen(PORT, () => {
+    console.log(`SSE Polling Example Server running on http://localhost:${PORT}/mcp`);
+    console.log('');
+    console.log('This server demonstrates SEP-1699 SSE polling:');
+    console.log('- retryInterval: 2000ms (client waits 2s before reconnecting)');
+    console.log('- eventStore: InMemoryEventStore (events are persisted for replay)');
+    console.log('');
+    console.log('Try calling the "long-task" tool to see server-initiated disconnect in action.');
+});
+//# sourceMappingURL=ssePollingExample.js.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/ssePollingExample.js.map

@@ -0,0 +1 @@
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node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/standaloneSseWithGetStreamableHttp.d.ts

@@ -0,0 +1,2 @@
+export {};
+//# sourceMappingURL=standaloneSseWithGetStreamableHttp.d.ts.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/standaloneSseWithGetStreamableHttp.d.ts.map

@@ -0,0 +1 @@
+{"version":3,"file":"standaloneSseWithGetStreamableHttp.d.ts","sourceRoot":"","sources":["../../../../src/examples/server/standaloneSseWithGetStreamableHttp.ts"],"names":[],"mappings":""}

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/standaloneSseWithGetStreamableHttp.js

@@ -0,0 +1,122 @@
+import { randomUUID } from 'node:crypto';
+import { McpServer } from '../../server/mcp.js';
+import { StreamableHTTPServerTransport } from '../../server/streamableHttp.js';
+import { isInitializeRequest } from '../../types.js';
+import { createMcpExpressApp } from '../../server/express.js';
+// Factory to create a new MCP server per session.
+// Each session needs its own server+transport pair to avoid cross-session contamination.
+const getServer = () => {
+    const server = new McpServer({
+        name: 'resource-list-changed-notification-server',
+        version: '1.0.0'
+    });
+    const addResource = (name, content) => {
+        const uri = `https://mcp-example.com/dynamic/${encodeURIComponent(name)}`;
+        server.registerResource(name, uri, { mimeType: 'text/plain', description: `Dynamic resource: ${name}` }, async () => {
+            return {
+                contents: [{ uri, text: content }]
+            };
+        });
+    };
+    addResource('example-resource', 'Initial content for example-resource');
+    // Periodically add new resources to demonstrate notifications
+    const resourceChangeInterval = setInterval(() => {
+        const name = randomUUID();
+        addResource(name, `Content for ${name}`);
+    }, 5000);
+    // Clean up the interval when the server closes
+    server.server.onclose = () => {
+        clearInterval(resourceChangeInterval);
+    };
+    return server;
+};
+// Store transports by session ID to send notifications
+const transports = {};
+const app = createMcpExpressApp();
+app.post('/mcp', async (req, res) => {
+    console.log('Received MCP request:', req.body);
+    try {
+        // Check for existing session ID
+        const sessionId = req.headers['mcp-session-id'];
+        let transport;
+        if (sessionId && transports[sessionId]) {
+            // Reuse existing transport
+            transport = transports[sessionId];
+        }
+        else if (!sessionId && isInitializeRequest(req.body)) {
+            // New initialization request
+            transport = new StreamableHTTPServerTransport({
+                sessionIdGenerator: () => randomUUID(),
+                onsessioninitialized: sessionId => {
+                    // Store the transport by session ID when session is initialized
+                    // This avoids race conditions where requests might come in before the session is stored
+                    console.log(`Session initialized with ID: ${sessionId}`);
+                    transports[sessionId] = transport;
+                }
+            });
+            // Create a new server per session and connect it to the transport
+            const server = getServer();
+            await server.connect(transport);
+            // Handle the request - the onsessioninitialized callback will store the transport
+            await transport.handleRequest(req, res, req.body);
+            return; // Already handled
+        }
+        else {
+            // Invalid request - no session ID or not initialization request
+            res.status(400).json({
+                jsonrpc: '2.0',
+                error: {
+                    code: -32000,
+                    message: 'Bad Request: No valid session ID provided'
+                },
+                id: null
+            });
+            return;
+        }
+        // Handle the request with existing transport
+        await transport.handleRequest(req, res, req.body);
+    }
+    catch (error) {
+        console.error('Error handling MCP request:', error);
+        if (!res.headersSent) {
+            res.status(500).json({
+                jsonrpc: '2.0',
+                error: {
+                    code: -32603,
+                    message: 'Internal server error'
+                },
+                id: null
+            });
+        }
+    }
+});
+// Handle GET requests for SSE streams (now using built-in support from StreamableHTTP)
+app.get('/mcp', async (req, res) => {
+    const sessionId = req.headers['mcp-session-id'];
+    if (!sessionId || !transports[sessionId]) {
+        res.status(400).send('Invalid or missing session ID');
+        return;
+    }
+    console.log(`Establishing SSE stream for session ${sessionId}`);
+    const transport = transports[sessionId];
+    await transport.handleRequest(req, res);
+});
+// Start the server
+const PORT = 3000;
+app.listen(PORT, error => {
+    if (error) {
+        console.error('Failed to start server:', error);
+        process.exit(1);
+    }
+    console.log(`Server listening on port ${PORT}`);
+});
+// Handle server shutdown
+process.on('SIGINT', async () => {
+    console.log('Shutting down server...');
+    for (const sessionId in transports) {
+        await transports[sessionId].close();
+        delete transports[sessionId];
+    }
+    process.exit(0);
+});
+//# sourceMappingURL=standaloneSseWithGetStreamableHttp.js.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/standaloneSseWithGetStreamableHttp.js.map

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node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/toolWithSampleServer.d.ts

@@ -0,0 +1,2 @@
+export {};
+//# sourceMappingURL=toolWithSampleServer.d.ts.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/toolWithSampleServer.d.ts.map

@@ -0,0 +1 @@
+{"version":3,"file":"toolWithSampleServer.d.ts","sourceRoot":"","sources":["../../../../src/examples/server/toolWithSampleServer.ts"],"names":[],"mappings":""}

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/toolWithSampleServer.js

@@ -0,0 +1,48 @@
+// Run with: npx tsx src/examples/server/toolWithSampleServer.ts
+import { McpServer } from '../../server/mcp.js';
+import { StdioServerTransport } from '../../server/stdio.js';
+import * as z from 'zod/v4';
+const mcpServer = new McpServer({
+    name: 'tools-with-sample-server',
+    version: '1.0.0'
+});
+// Tool that uses LLM sampling to summarize any text
+mcpServer.registerTool('summarize', {
+    description: 'Summarize any text using an LLM',
+    inputSchema: {
+        text: z.string().describe('Text to summarize')
+    }
+}, async ({ text }) => {
+    // Call the LLM through MCP sampling
+    const response = await mcpServer.server.createMessage({
+        messages: [
+            {
+                role: 'user',
+                content: {
+                    type: 'text',
+                    text: `Please summarize the following text concisely:\n\n${text}`
+                }
+            }
+        ],
+        maxTokens: 500
+    });
+    // Since we're not passing tools param to createMessage, response.content is single content
+    return {
+        content: [
+            {
+                type: 'text',
+                text: response.content.type === 'text' ? response.content.text : 'Unable to generate summary'
+            }
+        ]
+    };
+});
+async function main() {
+    const transport = new StdioServerTransport();
+    await mcpServer.connect(transport);
+    console.log('MCP server is running...');
+}
+main().catch(error => {
+    console.error('Server error:', error);
+    process.exit(1);
+});
+//# sourceMappingURL=toolWithSampleServer.js.map

node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/toolWithSampleServer.js.map

@@ -0,0 +1 @@
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