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timothe
2026-05-26 11:58:39 +02:00
parent 619a2b240a
commit 150b97cd2e
4892 changed files with 99214 additions and 429382 deletions
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node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/multipleClientsParallel.js
Generated Vendored
+3 -3
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@@ -1,6 +1,6 @@
import { Client } from '../../client/index.js';
import { StreamableHTTPClientTransport } from '../../client/streamableHttp.js';
import { CallToolResultSchema, LoggingMessageNotificationSchema, } from '../../types.js';
import { CallToolResultSchema, LoggingMessageNotificationSchema } from '../../types.js';
/**
* Multiple Clients MCP Example
*
@@ -20,11 +20,11 @@ async function createAndRunClient(config) {
});
const transport = new StreamableHTTPClientTransport(new URL(serverUrl));
// Set up client-specific error handler
client.onerror = (error) => {
client.onerror = error => {
console.error(`[${config.id}] Client error:`, error);
};
// Set up client-specific notification handler
client.setNotificationHandler(LoggingMessageNotificationSchema, (notification) => {
client.setNotificationHandler(LoggingMessageNotificationSchema, notification => {
console.log(`[${config.id}] Notification: ${notification.params.data}`);
});
try {
node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/multipleClientsParallel.js.map
Generated Vendored
+1 -1
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@@ -1 +1 @@
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{"version":3,"file":"multipleClientsParallel.js","sourceRoot":"","sources":["../../../../src/examples/client/multipleClientsParallel.ts"],"names":[],"mappings":"AAAA,OAAO,EAAE,MAAM,EAAE,MAAM,uBAAuB,CAAC;AAC/C,OAAO,EAAE,6BAA6B,EAAE,MAAM,gCAAgC,CAAC;AAC/E,OAAO,EAAmB,oBAAoB,EAAE,gCAAgC,EAAkB,MAAM,gBAAgB,CAAC;AAEzH;;;;;;;GAOG;AAEH,+BAA+B;AAC/B,MAAM,IAAI,GAAG,OAAO,CAAC,IAAI,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC;AACnC,MAAM,SAAS,GAAG,IAAI,CAAC,CAAC,CAAC,IAAI,2BAA2B,CAAC;AASzD,KAAK,UAAU,kBAAkB,CAAC,MAAoB;IAClD,OAAO,CAAC,GAAG,CAAC,IAAI,MAAM,CAAC,EAAE,sBAAsB,MAAM,CAAC,IAAI,EAAE,CAAC,CAAC;IAE9D,MAAM,MAAM,GAAG,IAAI,MAAM,CAAC;QACtB,IAAI,EAAE,MAAM,CAAC,IAAI;QACjB,OAAO,EAAE,OAAO;KACnB,CAAC,CAAC;IAEH,MAAM,SAAS,GAAG,IAAI,6BAA6B,CAAC,IAAI,GAAG,CAAC,SAAS,CAAC,CAAC,CAAC;IAExE,uCAAuC;IACvC,MAAM,CAAC,OAAO,GAAG,KAAK,CAAC,EAAE;QACrB,OAAO,CAAC,KAAK,CAAC,IAAI,MAAM,CAAC,EAAE,iBAAiB,EAAE,KAAK,CAAC,CAAC;IACzD,CAAC,CAAC;IAEF,8CAA8C;IAC9C,MAAM,CAAC,sBAAsB,CAAC,gCAAgC,EAAE,YAAY,CAAC,EAAE;QAC3E,OAAO,CAAC,GAAG,CAAC,IAAI,MAAM,CAAC,EAAE,mBAAmB,YAAY,CAAC,MAAM,CAAC,IAAI,EAAE,CAAC,CAAC;IAC5E,CAAC,CAAC,CAAC;IAEH,IAAI,CAAC;QACD,wBAAwB;QACxB,MAAM,MAAM,CAAC,OAAO,CAAC,SAAS,CAAC,CAAC;QAChC,OAAO,CAAC,GAAG,CAAC,IAAI,MAAM,CAAC,EAAE,2BAA2B,CAAC,CAAC;QAEtD,0BAA0B;QAC1B,OAAO,CAAC,GAAG,CAAC,IAAI,MAAM,CAAC,EAAE,mBAAmB,MAAM,CAAC,QAAQ,EAAE,CAAC,CAAC;QAC/D,MAAM,WAAW,GAAoB;YACjC,MAAM,EAAE,YAAY;YACpB,MAAM,EAAE;gBACJ,IAAI,EAAE,MAAM,CAAC,QAAQ;gBACrB,SAAS,EAAE;oBACP,GAAG,MAAM,CAAC,aAAa;oBACvB,iEAAiE;oBACjE,MAAM,EAAE,MAAM,CAAC,EAAE;iBACpB;aACJ;SACJ,CAAC;QAEF,MAAM,MAAM,GAAG,MAAM,MAAM,CAAC,OAAO,CAAC,WAAW,EAAE,oBAAoB,CAAC,CAAC;QACvE,OAAO,CAAC,GAAG,CAAC,IAAI,MAAM,CAAC,EAAE,uBAAuB,CAAC,CAAC;QAElD,8DAA8D;QAC9D,MAAM,IAAI,OAAO,CAAC,OAAO,CAAC,EAAE,CAAC,UAAU,CAAC,OAAO,EAAE,IAAI,CAAC,CAAC,CAAC;QAExD,aAAa;QACb,MAAM,SAAS,CAAC,KAAK,EAAE,CAAC;QACxB,OAAO,CAAC,GAAG,CAAC,IAAI,MAAM,CAAC,EAAE,gCAAgC,CAAC,CAAC;QAE3D,OAAO,EAAE,EAAE,EAAE,MAAM,CAAC,EAAE,EAAE,MAAM,EAAE,CAAC;IACrC,CAAC;IAAC,OAAO,KAAK,EAAE,CAAC;QACb,OAAO,CAAC,KAAK,CAAC,IAAI,MAAM,CAAC,EAAE,UAAU,EAAE,KAAK,CAAC,CAAC;QAC9C,MAAM,KAAK,CAAC;IAChB,CAAC;AACL,CAAC;AAED,KAAK,UAAU,IAAI;IACf,OAAO,CAAC,GAAG,CAAC,8BAA8B,CAAC,CAAC;IAC5C,OAAO,CAAC,GAAG,CAAC,8BAA8B,CAAC,CAAC;IAC5C,OAAO,CAAC,GAAG,CAAC,eAAe,SAAS,EAAE,CAAC,CAAC;IACxC,OAAO,CAAC,GAAG,CAAC,EAAE,CAAC,CAAC;IAEhB,IAAI,CAAC;QACD,+BAA+B;QAC/B,MAAM,aAAa,GAAmB;YAClC;gBACI,EAAE,EAAE,SAAS;gBACb,IAAI,EAAE,gBAAgB;gBACtB,QAAQ,EAAE,2BAA2B;gBACrC,aAAa,EAAE;oBACX,QAAQ,EAAE,CAAC,EAAE,iCAAiC;oBAC9C,KAAK,EAAE,CAAC,CAAC,uBAAuB;iBACnC;aACJ;YACD;gBACI,EAAE,EAAE,SAAS;gBACb,IAAI,EAAE,gBAAgB;gBACtB,QAAQ,EAAE,2BAA2B;gBACrC,aAAa,EAAE;oBACX,QAAQ,EAAE,CAAC,EAAE,kCAAkC;oBAC/C,KAAK,EAAE,CAAC,CAAC,uBAAuB;iBACnC;aACJ;YACD;gBACI,EAAE,EAAE,SAAS;gBACb,IAAI,EAAE,gBAAgB;gBACtB,QAAQ,EAAE,2BAA2B;gBACrC,aAAa,EAAE;oBACX,QAAQ,EAAE,CAAC,EAAE,mCAAmC;oBAChD,KAAK,EAAE,CAAC,CAAC,uBAAuB;iBACnC;aACJ;SACJ,CAAC;QAEF,gCAAgC;QAChC,OAAO,CAAC,GAAG,CAAC,YAAY,aAAa,CAAC,MAAM,yBAAyB,CAAC,CAAC;QACvE,OAAO,CAAC,GAAG,CAAC,EAAE,CAAC,CAAC;QAEhB,MAAM,cAAc,GAAG,aAAa,CAAC,GAAG,CAAC,MAAM,CAAC,EAAE,CAAC,kBAAkB,CAAC,MAAM,CAAC,CAAC,CAAC;QAC/E,MAAM,OAAO,GAAG,MAAM,OAAO,CAAC,GAAG,CAAC,cAAc,CAAC,CAAC;QAElD,mCAAmC;QACnC,OAAO,CAAC,GAAG,CAAC,yBAAyB,CAAC,CAAC;QACvC,OAAO,CAAC,OAAO,CAAC,CAAC,EAAE,EAAE,EAAE,MAAM,EAAE,EAAE,EAAE;YAC/B,OAAO,CAAC,GAAG,CAAC,MAAM,EAAE,gBAAgB,CAAC,CAAC;YACtC,IAAI,KAAK,CAAC,OAAO,CAAC,MAAM,CAAC,OAAO,CAAC,EAAE,CAAC;gBAChC,MAAM,CAAC,OAAO,CAAC,OAAO,CAAC,CAAC,IAAqC,EAAE,EAAE;oBAC7D,IAAI,IAAI,CAAC,IAAI,KAAK,MAAM,IAAI,IAAI,CAAC,IAAI,EAAE,CAAC;wBACpC,OAAO,CAAC,GAAG,CAAC,KAAK,IAAI,CAAC,IAAI,EAAE,CAAC,CAAC;oBAClC,CAAC;yBAAM,CAAC;wBACJ,OAAO,CAAC,GAAG,CAAC,KAAK,IAAI,CAAC,IAAI,WAAW,EAAE,IAAI,CAAC,CAAC;oBACjD,CAAC;gBACL,CAAC,CAAC,CAAC;YACP,CAAC;iBAAM,CAAC;gBACJ,OAAO,CAAC,GAAG,CAAC,6BAA6B,EAAE,MAAM,CAAC,CAAC;YACvD,CAAC;QACL,CAAC,CAAC,CAAC;QAEH,OAAO,CAAC,GAAG,CAAC,8CAA8C,CAAC,CAAC;IAChE,CAAC;IAAC,OAAO,KAAK,EAAE,CAAC;QACb,OAAO,CAAC,KAAK,CAAC,iCAAiC,EAAE,KAAK,CAAC,CAAC;QACxD,OAAO,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC;IACpB,CAAC;AACL,CAAC;AAED,oBAAoB;AACpB,IAAI,EAAE,CAAC,KAAK,CAAC,CAAC,KAAc,EAAE,EAAE;IAC5B,OAAO,CAAC,KAAK,CAAC,6CAA6C,EAAE,KAAK,CAAC,CAAC;IACpE,OAAO,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC;AACpB,CAAC,CAAC,CAAC"}
node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/parallelToolCallsClient.js
Generated Vendored
+7 -6
View File
@@ -1,6 +1,6 @@
import { Client } from '../../client/index.js';
import { StreamableHTTPClientTransport } from '../../client/streamableHttp.js';
import { ListToolsResultSchema, CallToolResultSchema, LoggingMessageNotificationSchema, } from '../../types.js';
import { ListToolsResultSchema, CallToolResultSchema, LoggingMessageNotificationSchema } from '../../types.js';
/**
* Parallel Tool Calls MCP Client
*
@@ -23,7 +23,7 @@ async function main() {
name: 'parallel-tool-calls-client',
version: '1.0.0'
});
client.onerror = (error) => {
client.onerror = error => {
console.error('Client error:', error);
};
// Connect to the server
@@ -31,12 +31,12 @@ async function main() {
await client.connect(transport);
console.log('Successfully connected to MCP server');
// Set up notification handler with caller identification
client.setNotificationHandler(LoggingMessageNotificationSchema, (notification) => {
client.setNotificationHandler(LoggingMessageNotificationSchema, notification => {
console.log(`Notification: ${notification.params.data}`);
});
console.log("List tools");
console.log('List tools');
const toolsRequest = await listTools(client);
console.log("Tools: ", toolsRequest);
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);
@@ -144,7 +144,8 @@ async function startParallelNotificationTools(client) {
// Start all tool calls in parallel
const toolPromises = toolCalls.map(({ caller, request }) => {
console.log(`Starting tool call for ${caller}...`);
return client.request(request, CallToolResultSchema)
return client
.request(request, CallToolResultSchema)
.then(result => ({ caller, result }))
.catch(error => {
console.error(`Error in tool call for ${caller}:`, error);
node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/parallelToolCallsClient.js.map
Generated Vendored
+1 -1
View File
@@ -1 +1 @@
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node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/simpleOAuthClient.js
Generated Vendored
+100 -61
View File
@@ -7,71 +7,30 @@ import { Client } from '../../client/index.js';
import { StreamableHTTPClientTransport } from '../../client/streamableHttp.js';
import { CallToolResultSchema, ListToolsResultSchema } from '../../types.js';
import { UnauthorizedError } from '../../client/auth.js';
import { InMemoryOAuthClientProvider } from './simpleOAuthClientProvider.js';
// Configuration
const DEFAULT_SERVER_URL = 'http://localhost:3000/mcp';
const CALLBACK_PORT = 8090; // Use different port than auth server (3001)
const CALLBACK_URL = `http://localhost:${CALLBACK_PORT}/callback`;
/**
* In-memory OAuth client provider for demonstration purposes
* In production, you should persist tokens securely
*/
class InMemoryOAuthClientProvider {
constructor(_redirectUrl, _clientMetadata, onRedirect) {
this._redirectUrl = _redirectUrl;
this._clientMetadata = _clientMetadata;
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;
}
}
/**
* Interactive MCP client with OAuth authentication
* Demonstrates the complete OAuth flow with browser-based authorization
*/
class InteractiveOAuthClient {
constructor(serverUrl) {
constructor(serverUrl, clientMetadataUrl) {
this.serverUrl = serverUrl;
this.clientMetadataUrl = clientMetadataUrl;
this.client = null;
this.rl = createInterface({
input: process.stdin,
output: process.stdout,
output: process.stdout
});
}
/**
* Prompts user for input via readline
*/
async question(query) {
return new Promise((resolve) => {
return new Promise(resolve => {
this.rl.question(query, resolve);
});
}
@@ -81,7 +40,7 @@ class InteractiveOAuthClient {
async openBrowser(url) {
console.log(`🌐 Opening browser for authorization: ${url}`);
const command = `open "${url}"`;
exec(command, (error) => {
exec(command, error => {
if (error) {
console.error(`Failed to open browser: ${error.message}`);
console.log(`Please manually open: ${url}`);
@@ -109,7 +68,7 @@ class InteractiveOAuthClient {
const code = parsedUrl.searchParams.get('code');
const error = parsedUrl.searchParams.get('error');
if (code) {
console.log(`✅ Authorization code received: ${code === null || code === void 0 ? void 0 : code.substring(0, 10)}...`);
console.log(`✅ Authorization code received: ${code?.substring(0, 10)}...`);
res.writeHead(200, { 'Content-Type': 'text/html' });
res.end(`
<html>
@@ -186,20 +145,19 @@ class InteractiveOAuthClient {
redirect_uris: [CALLBACK_URL],
grant_types: ['authorization_code', 'refresh_token'],
response_types: ['code'],
token_endpoint_auth_method: 'client_secret_post',
scope: 'mcp:tools'
token_endpoint_auth_method: 'client_secret_post'
};
console.log('🔐 Creating OAuth provider...');
const oauthProvider = new InMemoryOAuthClientProvider(CALLBACK_URL, clientMetadata, (redirectUrl) => {
console.log(`📌 OAuth redirect handler called - opening browser`);
console.log(`Opening browser to: ${redirectUrl.toString()}`);
this.openBrowser(redirectUrl.toString());
});
}, this.clientMetadataUrl);
console.log('🔐 OAuth provider created');
console.log('👤 Creating MCP client...');
this.client = new Client({
name: 'simple-oauth-client',
version: '1.0.0',
version: '1.0.0'
}, { capabilities: {} });
console.log('👤 Client created');
console.log('🔐 Starting OAuth flow...');
@@ -215,6 +173,7 @@ class InteractiveOAuthClient {
console.log('Commands:');
console.log(' list - List available tools');
console.log(' call <tool_name> [args] - Call a tool');
console.log(' stream <tool_name> [args] - Call a tool with streaming (shows task status)');
console.log(' quit - Exit the client');
console.log();
while (true) {
@@ -234,8 +193,11 @@ class InteractiveOAuthClient {
else if (command.startsWith('call ')) {
await this.handleCallTool(command);
}
else if (command.startsWith('stream ')) {
await this.handleStreamTool(command);
}
else {
console.log('❌ Unknown command. Try \'list\', \'call <tool_name>\', or \'quit\'');
console.log("❌ Unknown command. Try 'list', 'call <tool_name>', 'stream <tool_name>', or 'quit'");
}
}
catch (error) {
@@ -255,7 +217,7 @@ class InteractiveOAuthClient {
try {
const request = {
method: 'tools/list',
params: {},
params: {}
};
const result = await this.client.request(request, ListToolsResultSchema);
if (result.tools && result.tools.length > 0) {
@@ -290,7 +252,7 @@ class InteractiveOAuthClient {
try {
toolArgs = JSON.parse(argsString);
}
catch (_a) {
catch {
console.log('❌ Invalid arguments format (expected JSON)');
return;
}
@@ -307,13 +269,13 @@ class InteractiveOAuthClient {
method: 'tools/call',
params: {
name: toolName,
arguments: toolArgs,
},
arguments: toolArgs
}
};
const result = await this.client.request(request, CallToolResultSchema);
console.log(`\n🔧 Tool '${toolName}' result:`);
if (result.content) {
result.content.forEach((content) => {
result.content.forEach(content => {
if (content.type === 'text') {
console.log(content.text);
}
@@ -330,6 +292,78 @@ class InteractiveOAuthClient {
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) {
@@ -342,11 +376,16 @@ class InteractiveOAuthClient {
* Main entry point
*/
async function main() {
const serverUrl = process.env.MCP_SERVER_URL || DEFAULT_SERVER_URL;
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);
const client = new InteractiveOAuthClient(serverUrl, clientMetadataUrl);
// Handle graceful shutdown
process.on('SIGINT', () => {
console.log('\n\n👋 Goodbye!');
@@ -365,7 +404,7 @@ async function main() {
}
}
// Run if this file is executed directly
main().catch((error) => {
main().catch(error => {
console.error('Unhandled error:', error);
process.exit(1);
});
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node_modules/@modelcontextprotocol/sdk/dist/esm/examples/client/simpleStreamableHttp.js
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@@ -1,9 +1,9 @@
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, } from '../../types.js';
import { ListToolsResultSchema, CallToolResultSchema, ListPromptsResultSchema, GetPromptResultSchema, ListResourcesResultSchema, LoggingMessageNotificationSchema, ResourceListChangedNotificationSchema, ElicitRequestSchema, ReadResourceResultSchema, RELATED_TASK_META_KEY, ErrorCode, McpError } from '../../types.js';
import { getDisplayName } from '../../shared/metadataUtils.js';
import Ajv from "ajv";
import { Ajv } from 'ajv';
// Create readline interface for user input
const readline = createInterface({
input: process.stdin,
@@ -34,9 +34,10 @@ function printHelp() {
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 elicitation with collect-user-info tool (contact/preferences/feedback)');
console.log(' collect-info [type] - Test form elicitation with collect-user-info tool (contact/preferences/feedback)');
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');
@@ -48,9 +49,8 @@ function printHelp() {
}
function commandLoop() {
readline.question('\n> ', async (input) => {
var _a;
const args = input.trim().split(/\s+/);
const command = (_a = args[0]) === null || _a === void 0 ? void 0 : _a.toLowerCase();
const command = args[0]?.toLowerCase();
try {
switch (command) {
case 'connect':
@@ -79,7 +79,7 @@ function commandLoop() {
try {
toolArgs = JSON.parse(args.slice(2).join(' '));
}
catch (_b) {
catch {
console.log('Invalid JSON arguments. Using empty args.');
}
}
@@ -107,6 +107,24 @@ function commandLoop() {
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;
@@ -121,7 +139,7 @@ function commandLoop() {
try {
promptArgs = JSON.parse(args.slice(2).join(' '));
}
catch (_c) {
catch {
console.log('Invalid JSON arguments. Using empty args.');
}
}
@@ -170,23 +188,28 @@ async function connect(url) {
}
console.log(`Connecting to ${serverUrl}...`);
try {
// Create a new client with elicitation capability
// Create a new client with form elicitation capability
client = new Client({
name: 'example-client',
version: '1.0.0'
}, {
capabilities: {
elicitation: {},
},
elicitation: {
form: {}
}
}
});
client.onerror = (error) => {
client.onerror = error => {
console.error('\x1b[31mClient error:', error, '\x1b[0m');
};
// Set up elicitation request handler with proper validation
client.setRequestHandler(ElicitRequestSchema, async (request) => {
var _a;
console.log('\n🔔 Elicitation Request Received:');
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('Requested Schema:');
console.log(JSON.stringify(request.params.requestedSchema, null, 2));
const schema = request.params.requestedSchema;
@@ -235,8 +258,8 @@ async function connect(url) {
prompt += ` [default: ${field.default}]`;
}
prompt += ': ';
const answer = await new Promise((resolve) => {
readline.question(prompt, (input) => {
const answer = await new Promise(resolve => {
readline.question(prompt, input => {
resolve(input.trim());
});
});
@@ -297,7 +320,8 @@ async function connect(url) {
return { 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 (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;
@@ -311,8 +335,8 @@ async function connect(url) {
const isValid = validate(content);
if (!isValid) {
console.log('❌ Validation errors:');
(_a = validate.errors) === null || _a === void 0 ? void 0 : _a.forEach(error => {
console.log(` - ${error.dataPath || 'root'}: ${error.message}`);
validate.errors?.forEach(error => {
console.log(` - ${error.instancePath || 'root'}: ${error.message}`);
});
if (attempts < maxAttempts) {
console.log('Please correct the errors and try again...');
@@ -326,15 +350,15 @@ async function connect(url) {
// Show the collected data and ask for confirmation
console.log('\n✅ Collected data:');
console.log(JSON.stringify(content, null, 2));
const confirmAnswer = await new Promise((resolve) => {
readline.question('\nSubmit this information? (yes/no/cancel): ', (input) => {
const confirmAnswer = await new Promise(resolve => {
readline.question('\nSubmit this information? (yes/no/cancel): ', input => {
resolve(input.trim().toLowerCase());
});
});
if (confirmAnswer === 'yes' || confirmAnswer === 'y') {
return {
action: 'accept',
content,
content
};
}
else if (confirmAnswer === 'cancel' || confirmAnswer === 'c') {
@@ -357,7 +381,7 @@ async function connect(url) {
sessionId: sessionId
});
// Set up notification handlers
client.setNotificationHandler(LoggingMessageNotificationSchema, (notification) => {
client.setNotificationHandler(LoggingMessageNotificationSchema, notification => {
notificationCount++;
console.log(`\nNotification #${notificationCount}: ${notification.params.level} - ${notification.params.data}`);
// Re-display the prompt
@@ -376,7 +400,7 @@ async function connect(url) {
}, ListResourcesResultSchema);
console.log('Available resources count:', resourcesResult.resources.length);
}
catch (_a) {
catch {
console.log('Failed to list resources after change notification');
}
// Re-display the prompt
@@ -531,7 +555,7 @@ async function callMultiGreetTool(name) {
await callTool('multi-greet', { name });
}
async function callCollectInfoTool(infoType) {
console.log(`Testing elicitation with collect-user-info tool (${infoType})...`);
console.log(`Testing form elicitation with collect-user-info tool (${infoType})...`);
await callTool('collect-user-info', { infoType });
}
async function startNotifications(interval, count) {
@@ -616,7 +640,7 @@ async function getPrompt(name, args) {
const promptResult = await client.request(promptRequest, GetPromptResultSchema);
console.log('Prompt template:');
promptResult.messages.forEach((msg, index) => {
console.log(` [${index + 1}] ${msg.role}: ${msg.content.text}`);
console.log(` [${index + 1}] ${msg.role}: ${msg.content.type === 'text' ? msg.content.text : JSON.stringify(msg.content)}`);
});
}
catch (error) {
@@ -669,7 +693,10 @@ async function readResource(uri) {
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(content.text
.split('\n')
.map((line) => ' ' + line)
.join('\n'));
console.log(' ---');
}
else if ('blob' in content && typeof content.blob === 'string') {
@@ -681,6 +708,57 @@ async function readResource(uri) {
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 {
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@@ -1,7 +1,7 @@
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';
import { ListToolsResultSchema, CallToolResultSchema, LoggingMessageNotificationSchema } from '../../types.js';
/**
* Simplified Backwards Compatible MCP Client
*
@@ -28,7 +28,7 @@ async function main() {
client = connection.client;
transport = connection.transport;
// Set up notification handler
client.setNotificationHandler(LoggingMessageNotificationSchema, (notification) => {
client.setNotificationHandler(LoggingMessageNotificationSchema, notification => {
console.log(`Notification: ${notification.params.level} - ${notification.params.data}`);
});
// DEMO WORKFLOW:
@@ -62,7 +62,7 @@ async function connectWithBackwardsCompatibility(url) {
name: 'backwards-compatible-client',
version: '1.0.0'
});
client.onerror = (error) => {
client.onerror = error => {
console.error('Client error:', error);
};
const baseUrl = new URL(url);
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@@ -1 +1 @@
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node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/demoInMemoryOAuthProvider.d.ts
Generated Vendored
+5 -5
View File
@@ -1,24 +1,24 @@
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 { 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;
jwks_uri?: string | undefined;
scope?: string | undefined;
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;
@@ -30,17 +30,17 @@ export declare class DemoInMemoryClientsStore implements OAuthRegisteredClientsS
registerClient(clientMetadata: OAuthClientInformationFull): Promise<{
redirect_uris: string[];
client_id: string;
jwks_uri?: string | undefined;
scope?: string | undefined;
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;
node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/demoInMemoryOAuthProvider.d.ts.map
Generated Vendored
+1 -1
View File
@@ -1 +1 @@
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node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/demoInMemoryOAuthProvider.js
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+39 -17
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@@ -1,7 +1,8 @@
import { randomUUID } from 'node:crypto';
import express from "express";
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();
@@ -32,7 +33,7 @@ export class DemoInMemoryAuthProvider {
async authorize(client, params, res) {
const code = randomUUID();
const searchParams = new URLSearchParams({
code,
code
});
if (params.state !== undefined) {
searchParams.set('state', params.state);
@@ -41,7 +42,26 @@ export class DemoInMemoryAuthProvider {
client,
params
});
const targetUrl = new URL(client.redirect_uris[0]);
// 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());
}
@@ -75,14 +95,14 @@ export class DemoInMemoryAuthProvider {
scopes: codeData.params.scopes || [],
expiresAt: Date.now() + 3600000, // 1 hour
resource: codeData.params.resource,
type: 'access',
type: 'access'
};
this.tokens.set(token, tokenData);
return {
access_token: token,
token_type: 'bearer',
expires_in: 3600,
scope: (codeData.params.scopes || []).join(' '),
scope: (codeData.params.scopes || []).join(' ')
};
}
async exchangeRefreshToken(_client, _refreshToken, _scopes, _resource) {
@@ -98,7 +118,7 @@ export class DemoInMemoryAuthProvider {
clientId: tokenData.clientId,
scopes: tokenData.scopes,
expiresAt: Math.floor(tokenData.expiresAt / 1000),
resource: tokenData.resource,
resource: tokenData.resource
};
}
}
@@ -108,12 +128,14 @@ export const setupAuthServer = ({ authServerUrl, mcpServerUrl, strictResource })
// 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 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());
@@ -125,7 +147,7 @@ export const setupAuthServer = ({ authServerUrl, mcpServerUrl, strictResource })
authApp.use(mcpAuthRouter({
provider,
issuerUrl: authServerUrl,
scopesSupported: ['mcp:tools'],
scopesSupported: ['mcp:tools']
}));
authApp.post('/introspect', async (req, res) => {
try {
@@ -140,7 +162,7 @@ export const setupAuthServer = ({ authServerUrl, mcpServerUrl, strictResource })
client_id: tokenInfo.clientId,
scope: tokenInfo.scopes.join(' '),
exp: tokenInfo.expiresAt,
aud: tokenInfo.resource,
aud: tokenInfo.resource
});
return;
}
@@ -154,7 +176,7 @@ export const setupAuthServer = ({ authServerUrl, mcpServerUrl, strictResource })
});
const auth_port = authServerUrl.port;
// Start the auth server
authApp.listen(auth_port, (error) => {
authApp.listen(auth_port, error => {
if (error) {
console.error('Failed to start server:', error);
process.exit(1);
@@ -166,9 +188,9 @@ export const setupAuthServer = ({ authServerUrl, mcpServerUrl, strictResource })
const oauthMetadata = createOAuthMetadata({
provider,
issuerUrl: authServerUrl,
scopesSupported: ['mcp:tools'],
scopesSupported: ['mcp:tools']
});
oauthMetadata.introspection_endpoint = new URL("/introspect", authServerUrl).href;
oauthMetadata.introspection_endpoint = new URL('/introspect', authServerUrl).href;
return oauthMetadata;
};
//# sourceMappingURL=demoInMemoryOAuthProvider.js.map
node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/demoInMemoryOAuthProvider.js.map
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node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/jsonResponseStreamableHttp.js
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+39 -40
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@@ -1,70 +1,69 @@
import express from 'express';
import { randomUUID } from 'node:crypto';
import { McpServer } from '../../server/mcp.js';
import { StreamableHTTPServerTransport } from '../../server/streamableHttp.js';
import { z } from 'zod';
import * as z from 'zod/v4';
import { isInitializeRequest } from '../../types.js';
import cors from 'cors';
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',
version: '1.0.0'
}, {
capabilities: {
logging: {},
logging: {}
}
});
// Register a simple tool that returns a greeting
server.tool('greet', 'A simple greeting tool', {
name: z.string().describe('Name to greet'),
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}!`,
},
],
text: `Hello, ${name}!`
}
]
};
});
// Register a tool that sends multiple greetings with notifications
server.tool('multi-greet', 'A tool that sends different greetings with delays between them', {
name: z.string().describe('Name to greet'),
}, async ({ name }, { sendNotification }) => {
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 sendNotification({
method: "notifications/message",
params: { level: "debug", data: `Starting multi-greet for ${name}` }
});
await server.sendLoggingMessage({
level: 'debug',
data: `Starting multi-greet for ${name}`
}, extra.sessionId);
await sleep(1000); // Wait 1 second before first greeting
await sendNotification({
method: "notifications/message",
params: { level: "info", data: `Sending first greeting to ${name}` }
});
await server.sendLoggingMessage({
level: 'info',
data: `Sending first greeting to ${name}`
}, extra.sessionId);
await sleep(1000); // Wait another second before second greeting
await sendNotification({
method: "notifications/message",
params: { level: "info", data: `Sending second greeting to ${name}` }
});
await server.sendLoggingMessage({
level: 'info',
data: `Sending second greeting to ${name}`
}, extra.sessionId);
return {
content: [
{
type: 'text',
text: `Good morning, ${name}!`,
text: `Good morning, ${name}!`
}
],
]
};
});
return server;
};
const app = express();
app.use(express.json());
// Configure CORS to expose Mcp-Session-Id header for browser-based clients
app.use(cors({
origin: '*', // Allow all origins - adjust as needed for production
exposedHeaders: ['Mcp-Session-Id']
}));
const app = createMcpExpressApp();
// Map to store transports by session ID
const transports = {};
app.post('/mcp', async (req, res) => {
@@ -82,7 +81,7 @@ app.post('/mcp', async (req, res) => {
transport = new StreamableHTTPServerTransport({
sessionIdGenerator: () => randomUUID(),
enableJsonResponse: true, // Enable JSON response mode
onsessioninitialized: (sessionId) => {
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}`);
@@ -101,9 +100,9 @@ app.post('/mcp', async (req, res) => {
jsonrpc: '2.0',
error: {
code: -32000,
message: 'Bad Request: No valid session ID provided',
message: 'Bad Request: No valid session ID provided'
},
id: null,
id: null
});
return;
}
@@ -117,9 +116,9 @@ app.post('/mcp', async (req, res) => {
jsonrpc: '2.0',
error: {
code: -32603,
message: 'Internal server error',
message: 'Internal server error'
},
id: null,
id: null
});
}
}
@@ -132,7 +131,7 @@ app.get('/mcp', async (req, res) => {
});
// Start the server
const PORT = 3000;
app.listen(PORT, (error) => {
app.listen(PORT, error => {
if (error) {
console.error('Failed to start server:', error);
process.exit(1);
node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/jsonResponseStreamableHttp.js.map
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@@ -1 +1 @@
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node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/mcpServerOutputSchema.js
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* 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 { z } from "zod";
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",
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",
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)")
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"]),
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 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
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)]
direction: ['N', 'NE', 'E', 'SE', 'S', 'SW', 'W', 'NW'][Math.floor(Math.random() * 8)]
}
};
return {
content: [{
type: "text",
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");
console.error('High-level Output Schema Example Server running on stdio');
}
main().catch((error) => {
console.error("Server error:", error);
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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@@ -1 +1 @@
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node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/simpleSseServer.js
Generated Vendored
+23 -27
View File
@@ -1,7 +1,7 @@
import express from 'express';
import { McpServer } from '../../server/mcp.js';
import { SSEServerTransport } from '../../server/sse.js';
import { z } from 'zod';
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.
@@ -15,52 +15,48 @@ import { z } from 'zod';
const getServer = () => {
const server = new McpServer({
name: 'simple-sse-server',
version: '1.0.0',
version: '1.0.0'
}, { capabilities: { logging: {} } });
server.tool('start-notification-stream', 'Starts sending periodic notifications', {
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 }, { sendNotification }) => {
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 sendNotification({
method: "notifications/message",
params: {
level: "info",
data: `Starting notification stream with ${count} messages every ${interval}ms`
}
});
await server.sendLoggingMessage({
level: 'info',
data: `Starting notification stream with ${count} messages every ${interval}ms`
}, extra.sessionId);
// Send periodic notifications
while (counter < count) {
counter++;
await sleep(interval);
try {
await sendNotification({
method: "notifications/message",
params: {
level: "info",
data: `Notification #${counter} at ${new Date().toISOString()}`
}
});
await server.sendLoggingMessage({
level: 'info',
data: `Notification #${counter} at ${new Date().toISOString()}`
}, extra.sessionId);
}
catch (error) {
console.error("Error sending notification:", error);
console.error('Error sending notification:', error);
}
}
return {
content: [
{
type: 'text',
text: `Completed sending ${count} notifications every ${interval}ms`,
text: `Completed sending ${count} notifications every ${interval}ms`
}
],
]
};
});
return server;
};
const app = express();
app.use(express.json());
const app = createMcpExpressApp();
// Store transports by session ID
const transports = {};
// SSE endpoint for establishing the stream
@@ -120,7 +116,7 @@ app.post('/messages', async (req, res) => {
});
// Start the server
const PORT = 3000;
app.listen(PORT, (error) => {
app.listen(PORT, error => {
if (error) {
console.error('Failed to start server:', error);
process.exit(1);
node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/simpleSseServer.js.map
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+1 -1
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@@ -1 +1 @@
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node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/simpleStatelessStreamableHttp.js
Generated Vendored
+39 -43
View File
@@ -1,17 +1,19 @@
import express from 'express';
import { McpServer } from '../../server/mcp.js';
import { StreamableHTTPServerTransport } from '../../server/streamableHttp.js';
import { z } from 'zod';
import cors from 'cors';
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',
version: '1.0.0'
}, { capabilities: { logging: {} } });
// Register a simple prompt
server.prompt('greeting-template', 'A simple greeting prompt template', {
name: z.string().describe('Name to include in greeting'),
server.registerPrompt('greeting-template', {
description: 'A simple greeting prompt template',
argsSchema: {
name: z.string().describe('Name to include in greeting')
}
}, async ({ name }) => {
return {
messages: [
@@ -19,32 +21,32 @@ const getServer = () => {
role: 'user',
content: {
type: 'text',
text: `Please greet ${name} in a friendly manner.`,
},
},
],
text: `Please greet ${name} in a friendly manner.`
}
}
]
};
});
// Register a tool specifically for testing resumability
server.tool('start-notification-stream', 'Starts sending periodic notifications for testing resumability', {
interval: z.number().describe('Interval in milliseconds between notifications').default(100),
count: z.number().describe('Number of notifications to send (0 for 100)').default(10),
}, async ({ interval, count }, { sendNotification }) => {
server.registerTool('start-notification-stream', {
description: 'Starts sending periodic notifications for testing resumability',
inputSchema: {
interval: z.number().describe('Interval in milliseconds between notifications').default(100),
count: z.number().describe('Number of notifications to send (0 for 100)').default(10)
}
}, async ({ interval, count }, extra) => {
const sleep = (ms) => new Promise(resolve => setTimeout(resolve, ms));
let counter = 0;
while (count === 0 || counter < count) {
counter++;
try {
await sendNotification({
method: "notifications/message",
params: {
level: "info",
data: `Periodic notification #${counter} at ${new Date().toISOString()}`
}
});
await server.sendLoggingMessage({
level: 'info',
data: `Periodic notification #${counter} at ${new Date().toISOString()}`
}, extra.sessionId);
}
catch (error) {
console.error("Error sending notification:", error);
console.error('Error sending notification:', error);
}
// Wait for the specified interval
await sleep(interval);
@@ -53,36 +55,30 @@ const getServer = () => {
content: [
{
type: 'text',
text: `Started sending periodic notifications every ${interval}ms`,
text: `Started sending periodic notifications every ${interval}ms`
}
],
]
};
});
// Create a simple resource at a fixed URI
server.resource('greeting-resource', 'https://example.com/greetings/default', { mimeType: 'text/plain' }, async () => {
server.registerResource('greeting-resource', 'https://example.com/greetings/default', { mimeType: 'text/plain' }, async () => {
return {
contents: [
{
uri: 'https://example.com/greetings/default',
text: 'Hello, world!',
},
],
text: 'Hello, world!'
}
]
};
});
return server;
};
const app = express();
app.use(express.json());
// Configure CORS to expose Mcp-Session-Id header for browser-based clients
app.use(cors({
origin: '*', // Allow all origins - adjust as needed for production
exposedHeaders: ['Mcp-Session-Id']
}));
const app = createMcpExpressApp();
app.post('/mcp', async (req, res) => {
const server = getServer();
try {
const transport = new StreamableHTTPServerTransport({
sessionIdGenerator: undefined,
sessionIdGenerator: undefined
});
await server.connect(transport);
await transport.handleRequest(req, res, req.body);
@@ -99,9 +95,9 @@ app.post('/mcp', async (req, res) => {
jsonrpc: '2.0',
error: {
code: -32603,
message: 'Internal server error',
message: 'Internal server error'
},
id: null,
id: null
});
}
}
@@ -109,10 +105,10 @@ app.post('/mcp', async (req, res) => {
app.get('/mcp', async (req, res) => {
console.log('Received GET MCP request');
res.writeHead(405).end(JSON.stringify({
jsonrpc: "2.0",
jsonrpc: '2.0',
error: {
code: -32000,
message: "Method not allowed."
message: 'Method not allowed.'
},
id: null
}));
@@ -120,17 +116,17 @@ app.get('/mcp', async (req, res) => {
app.delete('/mcp', async (req, res) => {
console.log('Received DELETE MCP request');
res.writeHead(405).end(JSON.stringify({
jsonrpc: "2.0",
jsonrpc: '2.0',
error: {
code: -32000,
message: "Method not allowed."
message: 'Method not allowed.'
},
id: null
}));
});
// Start the server
const PORT = 3000;
app.listen(PORT, (error) => {
app.listen(PORT, error => {
if (error) {
console.error('Failed to start server:', error);
process.exit(1);
node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/simpleStatelessStreamableHttp.js.map
Generated Vendored
+1 -1
View File
@@ -1 +1 @@
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node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/simpleStreamableHttp.js
Generated Vendored
+174 -121
View File
@@ -1,78 +1,93 @@
import express from 'express';
import { randomUUID } from 'node:crypto';
import { z } from 'zod';
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 { isInitializeRequest } from '../../types.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 'src/shared/auth-utils.js';
import cors from 'cors';
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'
}, { capabilities: { logging: {} } });
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'),
},
name: z.string().describe('Name to greet')
}
}, async ({ name }) => {
return {
content: [
{
type: 'text',
text: `Hello, ${name}!`,
},
],
text: `Hello, ${name}!`
}
]
};
});
// Register a tool that sends multiple greetings with notifications (with annotations)
server.tool('multi-greet', 'A tool that sends different greetings with delays between them', {
name: z.string().describe('Name to greet'),
}, {
title: 'Multiple Greeting Tool',
readOnlyHint: true,
openWorldHint: false
}, async ({ name }, { sendNotification }) => {
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 sendNotification({
method: "notifications/message",
params: { level: "debug", data: `Starting multi-greet for ${name}` }
});
await server.sendLoggingMessage({
level: 'debug',
data: `Starting multi-greet for ${name}`
}, extra.sessionId);
await sleep(1000); // Wait 1 second before first greeting
await sendNotification({
method: "notifications/message",
params: { level: "info", data: `Sending first greeting to ${name}` }
});
await server.sendLoggingMessage({
level: 'info',
data: `Sending first greeting to ${name}`
}, extra.sessionId);
await sleep(1000); // Wait another second before second greeting
await sendNotification({
method: "notifications/message",
params: { level: "info", data: `Sending second greeting to ${name}` }
});
await server.sendLoggingMessage({
level: 'info',
data: `Sending second greeting to ${name}`
}, extra.sessionId);
return {
content: [
{
type: 'text',
text: `Good morning, ${name}!`,
text: `Good morning, ${name}!`
}
],
]
};
});
// Register a tool that demonstrates elicitation (user input collection)
// Register a tool that demonstrates form elicitation (user input collection with a schema)
// This creates a closure that captures the server instance
server.tool('collect-user-info', 'A tool that collects user information through elicitation', {
infoType: z.enum(['contact', 'preferences', 'feedback']).describe('Type of information to collect'),
}, async ({ infoType }) => {
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) {
@@ -84,21 +99,21 @@ const getServer = () => {
name: {
type: 'string',
title: 'Full Name',
description: 'Your full name',
description: 'Your full name'
},
email: {
type: 'string',
title: 'Email Address',
description: 'Your email address',
format: 'email',
format: 'email'
},
phone: {
type: 'string',
title: 'Phone Number',
description: 'Your phone number (optional)',
},
description: 'Your phone number (optional)'
}
},
required: ['name', 'email'],
required: ['name', 'email']
};
break;
case 'preferences':
@@ -111,23 +126,23 @@ const getServer = () => {
title: 'Theme',
description: 'Choose your preferred theme',
enum: ['light', 'dark', 'auto'],
enumNames: ['Light', 'Dark', 'Auto'],
enumNames: ['Light', 'Dark', 'Auto']
},
notifications: {
type: 'boolean',
title: 'Enable Notifications',
description: 'Would you like to receive notifications?',
default: true,
default: true
},
frequency: {
type: 'string',
title: 'Notification Frequency',
description: 'How often would you like notifications?',
enum: ['daily', 'weekly', 'monthly'],
enumNames: ['Daily', 'Weekly', 'Monthly'],
},
enumNames: ['Daily', 'Weekly', 'Monthly']
}
},
required: ['theme'],
required: ['theme']
};
break;
case 'feedback':
@@ -140,40 +155,44 @@ const getServer = () => {
title: 'Rating',
description: 'Rate your experience (1-5)',
minimum: 1,
maximum: 5,
maximum: 5
},
comments: {
type: 'string',
title: 'Comments',
description: 'Additional comments (optional)',
maxLength: 500,
maxLength: 500
},
recommend: {
type: 'boolean',
title: 'Would you recommend this?',
description: 'Would you recommend this to others?',
},
description: 'Would you recommend this to others?'
}
},
required: ['rating', 'recommend'],
required: ['rating', 'recommend']
};
break;
default:
throw new Error(`Unknown info type: ${infoType}`);
}
try {
// Use the underlying server instance to elicit input from the client
const result = await server.server.elicitInput({
message,
requestedSchema,
});
// 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)}`,
},
],
text: `Thank you! Collected ${infoType} information: ${JSON.stringify(result.content, null, 2)}`
}
]
};
}
else if (result.action === 'decline') {
@@ -181,9 +200,9 @@ const getServer = () => {
content: [
{
type: 'text',
text: `No information was collected. User declined ${infoType} information request.`,
},
],
text: `No information was collected. User declined ${infoType} information request.`
}
]
};
}
else {
@@ -191,9 +210,9 @@ const getServer = () => {
content: [
{
type: 'text',
text: `Information collection was cancelled by the user.`,
},
],
text: `Information collection was cancelled by the user.`
}
]
};
}
}
@@ -202,9 +221,9 @@ const getServer = () => {
content: [
{
type: 'text',
text: `Error collecting ${infoType} information: ${error}`,
},
],
text: `Error collecting ${infoType} information: ${error}`
}
]
};
}
});
@@ -213,8 +232,8 @@ const getServer = () => {
title: 'Greeting Template', // Display name for UI
description: 'A simple greeting prompt template',
argsSchema: {
name: z.string().describe('Name to include in greeting'),
},
name: z.string().describe('Name to include in greeting')
}
}, async ({ name }) => {
return {
messages: [
@@ -222,32 +241,32 @@ const getServer = () => {
role: 'user',
content: {
type: 'text',
text: `Please greet ${name} in a friendly manner.`,
},
},
],
text: `Please greet ${name} in a friendly manner.`
}
}
]
};
});
// Register a tool specifically for testing resumability
server.tool('start-notification-stream', 'Starts sending periodic notifications for testing resumability', {
interval: z.number().describe('Interval in milliseconds between notifications').default(100),
count: z.number().describe('Number of notifications to send (0 for 100)').default(50),
}, async ({ interval, count }, { sendNotification }) => {
server.registerTool('start-notification-stream', {
description: 'Starts sending periodic notifications for testing resumability',
inputSchema: {
interval: z.number().describe('Interval in milliseconds between notifications').default(100),
count: z.number().describe('Number of notifications to send (0 for 100)').default(50)
}
}, async ({ interval, count }, extra) => {
const sleep = (ms) => new Promise(resolve => setTimeout(resolve, ms));
let counter = 0;
while (count === 0 || counter < count) {
counter++;
try {
await sendNotification({
method: "notifications/message",
params: {
level: "info",
data: `Periodic notification #${counter} at ${new Date().toISOString()}`
}
});
await server.sendLoggingMessage({
level: 'info',
data: `Periodic notification #${counter} at ${new Date().toISOString()}`
}, extra.sessionId);
}
catch (error) {
console.error("Error sending notification:", error);
console.error('Error sending notification:', error);
}
// Wait for the specified interval
await sleep(interval);
@@ -256,9 +275,9 @@ const getServer = () => {
content: [
{
type: 'text',
text: `Started sending periodic notifications every ${interval}ms`,
text: `Started sending periodic notifications every ${interval}ms`
}
],
]
};
});
// Create a simple resource at a fixed URI
@@ -271,9 +290,9 @@ const getServer = () => {
contents: [
{
uri: 'https://example.com/greetings/default',
text: 'Hello, world!',
},
],
text: 'Hello, world!'
}
]
};
});
// Create additional resources for ResourceLink demonstration
@@ -286,9 +305,9 @@ const getServer = () => {
contents: [
{
uri: 'file:///example/file1.txt',
text: 'This is the content of file 1',
},
],
text: 'This is the content of file 1'
}
]
};
});
server.registerResource('example-file-2', 'file:///example/file2.txt', {
@@ -300,9 +319,9 @@ const getServer = () => {
contents: [
{
uri: 'file:///example/file2.txt',
text: 'This is the content of file 2',
},
],
text: 'This is the content of file 2'
}
]
};
});
// Register a tool that returns ResourceLinks
@@ -310,8 +329,8 @@ const getServer = () => {
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'),
},
includeDescriptions: z.boolean().optional().describe('Whether to include descriptions in the resource links')
}
}, async ({ includeDescriptions = true }) => {
const resourceLinks = [
{
@@ -340,27 +359,60 @@ const getServer = () => {
content: [
{
type: 'text',
text: 'Here are the available files as resource links:',
text: 'Here are the available files as resource links:'
},
...resourceLinks,
{
type: 'text',
text: '\nYou can read any of these resources using their URI.',
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 = express();
app.use(express.json());
// Allow CORS all domains, expose the Mcp-Session-Id header
app.use(cors({
origin: '*', // Allow all origins
exposedHeaders: ["Mcp-Session-Id"]
}));
const app = createMcpExpressApp();
// Set up OAuth if enabled
let authMiddleware = null;
if (useOAuth) {
@@ -377,14 +429,15 @@ if (useOAuth) {
const response = await fetch(endpoint, {
method: 'POST',
headers: {
'Content-Type': 'application/x-www-form-urlencoded',
'Content-Type': 'application/x-www-form-urlencoded'
},
body: new URLSearchParams({
token: token
}).toString()
});
if (!response.ok) {
throw new Error(`Invalid or expired token: ${await response.text()}`);
const text = await response.text().catch(() => null);
throw new Error(`Invalid or expired token: ${text}`);
}
const data = await response.json();
if (strictOAuth) {
@@ -400,7 +453,7 @@ if (useOAuth) {
token,
clientId: data.client_id,
scopes: data.scope ? data.scope.split(' ') : [],
expiresAt: data.exp,
expiresAt: data.exp
};
}
};
@@ -409,12 +462,12 @@ if (useOAuth) {
oauthMetadata,
resourceServerUrl: mcpServerUrl,
scopesSupported: ['mcp:tools'],
resourceName: 'MCP Demo Server',
resourceName: 'MCP Demo Server'
}));
authMiddleware = requireBearerAuth({
verifier: tokenVerifier,
requiredScopes: [],
resourceMetadataUrl: getOAuthProtectedResourceMetadataUrl(mcpServerUrl),
resourceMetadataUrl: getOAuthProtectedResourceMetadataUrl(mcpServerUrl)
});
}
// Map to store transports by session ID
@@ -443,7 +496,7 @@ const mcpPostHandler = async (req, res) => {
transport = new StreamableHTTPServerTransport({
sessionIdGenerator: () => randomUUID(),
eventStore, // Enable resumability
onsessioninitialized: (sessionId) => {
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}`);
@@ -471,9 +524,9 @@ const mcpPostHandler = async (req, res) => {
jsonrpc: '2.0',
error: {
code: -32000,
message: 'Bad Request: No valid session ID provided',
message: 'Bad Request: No valid session ID provided'
},
id: null,
id: null
});
return;
}
@@ -488,9 +541,9 @@ const mcpPostHandler = async (req, res) => {
jsonrpc: '2.0',
error: {
code: -32603,
message: 'Internal server error',
message: 'Internal server error'
},
id: null,
id: null
});
}
}
@@ -556,7 +609,7 @@ if (useOAuth && authMiddleware) {
else {
app.delete('/mcp', mcpDeleteHandler);
}
app.listen(MCP_PORT, (error) => {
app.listen(MCP_PORT, error => {
if (error) {
console.error('Failed to start server:', error);
process.exit(1);
node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/simpleStreamableHttp.js.map
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node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/sseAndStreamableHttpCompatibleServer.js
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@@ -1,16 +1,15 @@
import express from 'express';
import { randomUUID } from "node:crypto";
import { randomUUID } from 'node:crypto';
import { McpServer } from '../../server/mcp.js';
import { StreamableHTTPServerTransport } from '../../server/streamableHttp.js';
import { SSEServerTransport } from '../../server/sse.js';
import { z } from 'zod';
import * as z from 'zod/v4';
import { isInitializeRequest } from '../../types.js';
import { InMemoryEventStore } from '../shared/inMemoryEventStore.js';
import cors from 'cors';
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 2025-03-26)
* 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)
@@ -20,28 +19,28 @@ import cors from 'cors';
const getServer = () => {
const server = new McpServer({
name: 'backwards-compatible-server',
version: '1.0.0',
version: '1.0.0'
}, { capabilities: { logging: {} } });
// Register a simple tool that sends notifications over time
server.tool('start-notification-stream', 'Starts sending periodic notifications for testing resumability', {
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 }, { sendNotification }) => {
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 sendNotification({
method: "notifications/message",
params: {
level: "info",
data: `Periodic notification #${counter} at ${new Date().toISOString()}`
}
});
await server.sendLoggingMessage({
level: 'info',
data: `Periodic notification #${counter} at ${new Date().toISOString()}`
}, extra.sessionId);
}
catch (error) {
console.error("Error sending notification:", error);
console.error('Error sending notification:', error);
}
// Wait for the specified interval
await sleep(interval);
@@ -50,25 +49,19 @@ const getServer = () => {
content: [
{
type: 'text',
text: `Started sending periodic notifications every ${interval}ms`,
text: `Started sending periodic notifications every ${interval}ms`
}
],
]
};
});
return server;
};
// Create Express application
const app = express();
app.use(express.json());
// Configure CORS to expose Mcp-Session-Id header for browser-based clients
app.use(cors({
origin: '*', // Allow all origins - adjust as needed for production
exposedHeaders: ['Mcp-Session-Id']
}));
const app = createMcpExpressApp();
// Store transports by session ID
const transports = {};
//=============================================================================
// STREAMABLE HTTP TRANSPORT (PROTOCOL VERSION 2025-03-26)
// 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) => {
@@ -90,9 +83,9 @@ app.all('/mcp', async (req, res) => {
jsonrpc: '2.0',
error: {
code: -32000,
message: 'Bad Request: Session exists but uses a different transport protocol',
message: 'Bad Request: Session exists but uses a different transport protocol'
},
id: null,
id: null
});
return;
}
@@ -102,7 +95,7 @@ app.all('/mcp', async (req, res) => {
transport = new StreamableHTTPServerTransport({
sessionIdGenerator: () => randomUUID(),
eventStore, // Enable resumability
onsessioninitialized: (sessionId) => {
onsessioninitialized: sessionId => {
// Store the transport by session ID when session is initialized
console.log(`StreamableHTTP session initialized with ID: ${sessionId}`);
transports[sessionId] = transport;
@@ -126,9 +119,9 @@ app.all('/mcp', async (req, res) => {
jsonrpc: '2.0',
error: {
code: -32000,
message: 'Bad Request: No valid session ID provided',
message: 'Bad Request: No valid session ID provided'
},
id: null,
id: null
});
return;
}
@@ -142,9 +135,9 @@ app.all('/mcp', async (req, res) => {
jsonrpc: '2.0',
error: {
code: -32603,
message: 'Internal server error',
message: 'Internal server error'
},
id: null,
id: null
});
}
}
@@ -156,13 +149,13 @@ 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", () => {
res.on('close', () => {
delete transports[transport.sessionId];
});
const server = getServer();
await server.connect(transport);
});
app.post("/messages", async (req, res) => {
app.post('/messages', async (req, res) => {
const sessionId = req.query.sessionId;
let transport;
const existingTransport = transports[sessionId];
@@ -176,9 +169,9 @@ app.post("/messages", async (req, res) => {
jsonrpc: '2.0',
error: {
code: -32000,
message: 'Bad Request: Session exists but uses a different transport protocol',
message: 'Bad Request: Session exists but uses a different transport protocol'
},
id: null,
id: null
});
return;
}
@@ -191,7 +184,7 @@ app.post("/messages", async (req, res) => {
});
// Start the server
const PORT = 3000;
app.listen(PORT, (error) => {
app.listen(PORT, error => {
if (error) {
console.error('Failed to start server:', error);
process.exit(1);
@@ -201,10 +194,10 @@ app.listen(PORT, (error) => {
==============================================
SUPPORTED TRANSPORT OPTIONS:
1. Streamable Http(Protocol version: 2025-03-26)
1. Streamable Http(Protocol version: 2025-11-25)
Endpoint: /mcp
Methods: GET, POST, DELETE
Usage:
Usage:
- Initialize with POST to /mcp
- Establish SSE stream with GET to /mcp
- Send requests with POST to /mcp
node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/sseAndStreamableHttpCompatibleServer.js.map
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node_modules/@modelcontextprotocol/sdk/dist/esm/examples/server/standaloneSseWithGetStreamableHttp.js
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import express from 'express';
import { randomUUID } from 'node:crypto';
import { McpServer } from '../../server/mcp.js';
import { StreamableHTTPServerTransport } from '../../server/streamableHttp.js';
import { isInitializeRequest } from '../../types.js';
// Create an MCP server with implementation details
const server = new McpServer({
name: 'resource-list-changed-notification-server',
version: '1.0.0',
});
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 ${name}`);
}, 5000);
// Clean up the interval when the server closes
server.server.onclose = () => {
clearInterval(resourceChangeInterval);
};
return server;
};
// Store transports by session ID to send notifications
const transports = {};
const addResource = (name, content) => {
const uri = `https://mcp-example.com/dynamic/${encodeURIComponent(name)}`;
server.resource(name, uri, { mimeType: 'text/plain', description: `Dynamic resource: ${name}` }, async () => {
return {
contents: [{ uri, text: content }],
};
});
};
addResource('example-resource', 'Initial content for example-resource');
const resourceChangeInterval = setInterval(() => {
const name = randomUUID();
addResource(name, `Content for ${name}`);
}, 5000); // Change resources every 5 seconds for testing
const app = express();
app.use(express.json());
const app = createMcpExpressApp();
app.post('/mcp', async (req, res) => {
console.log('Received MCP request:', req.body);
try {
@@ -39,14 +47,15 @@ app.post('/mcp', async (req, res) => {
// New initialization request
transport = new StreamableHTTPServerTransport({
sessionIdGenerator: () => randomUUID(),
onsessioninitialized: (sessionId) => {
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
// 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);
@@ -58,9 +67,9 @@ app.post('/mcp', async (req, res) => {
jsonrpc: '2.0',
error: {
code: -32000,
message: 'Bad Request: No valid session ID provided',
message: 'Bad Request: No valid session ID provided'
},
id: null,
id: null
});
return;
}
@@ -74,9 +83,9 @@ app.post('/mcp', async (req, res) => {
jsonrpc: '2.0',
error: {
code: -32603,
message: 'Internal server error',
message: 'Internal server error'
},
id: null,
id: null
});
}
}
@@ -94,7 +103,7 @@ app.get('/mcp', async (req, res) => {
});
// Start the server
const PORT = 3000;
app.listen(PORT, (error) => {
app.listen(PORT, error => {
if (error) {
console.error('Failed to start server:', error);
process.exit(1);
@@ -104,8 +113,10 @@ app.listen(PORT, (error) => {
// Handle server shutdown
process.on('SIGINT', async () => {
console.log('Shutting down server...');
clearInterval(resourceChangeInterval);
await server.close();
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.js
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@@ -1,47 +1,48 @@
// Run with: npx tsx src/examples/server/toolWithSampleServer.ts
import { McpServer } from "../../server/mcp.js";
import { StdioServerTransport } from "../../server/stdio.js";
import { z } from "zod";
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",
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",
mcpServer.registerTool('summarize', {
description: 'Summarize any text using an LLM',
inputSchema: {
text: z.string().describe("Text to summarize"),
},
text: z.string().describe('Text to summarize')
}
}, async ({ text }) => {
// Call the LLM through MCP sampling
const response = await mcpServer.server.createMessage({
messages: [
{
role: "user",
role: 'user',
content: {
type: "text",
text: `Please summarize the following text concisely:\n\n${text}`,
},
},
type: 'text',
text: `Please summarize the following text concisely:\n\n${text}`
}
}
],
maxTokens: 500,
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",
},
],
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...");
console.log('MCP server is running...');
}
main().catch((error) => {
console.error("Server error:", error);
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
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+1 -1
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@@ -1 +1 @@
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node_modules/@modelcontextprotocol/sdk/dist/esm/examples/shared/inMemoryEventStore.d.ts.map
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+1 -1
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