Andreas/LibreChat
1
0
Fork 0
mirror of https://github.com/danny-avila/LibreChat.git synced 2025-12-16 16:30:15 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 6

🏃‍♂️ refactor: Improve Agent Run Context & Misc. Changes (#6448)

Browse source 
* chore: bump Model Context Protocol SDK dependencies

* fix: correct indentation in MCPConnection class

* refactor: enhance SSE transport with abort controller and add error handling for empty results

* chore: remove outdated Model Context Protocol SDK dependency

* chore: update @modelcontextprotocol/sdk dependency to version 1.7.0

* chore: add debugging comments for PingRequest handling in MCPConnection class

* refactor: update callTool method to accept structured arguments and options

* refactor: simplify maxContextTokens calculation in initializeAgentOptions

* chore: update @babel/runtime dependency to version 7.26.10

* chore: update @librechat/agents dependency to version 2.2.9

* chore: update @librechat/agents dependency to version 2.3.6

* refactor: imports and prevent s3 initialization if strategy not configured

* refactor: mark redis as non-experimental

* refactor: add missing `maxContextTokens` for OpenAI parameters

* refactor: improve log message for Redis initialization

* chore: update @librechat/agents dependency to version 2.3.8

* refactor: extend `streamBuffer` condition to include BEDROCK provider as easily gets throttled by AWS

* refactor: filter out 'think' parts from message content in Anthropic and OpenAI clients
This commit is contained in:
Danny Avila 2025-03-20 22:56:57 -04:00 • committed by GitHub
parent e768a07738
commit bc88ac846d
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
13 changed files with 446 additions and 382 deletions
Download patch file Download diff file Expand all files Collapse all files

10
api/app/clients/AnthropicClient.js
View file

@ -689,6 +689,16 @@ class AnthropicClient extends BaseClient {
return (msg) => {
if (msg.text != null && msg.text && msg.text.startsWith(':::thinking')) {
msg.text = msg.text.replace(/:::thinking.*?:::/gs, '').trim();
} else if (msg.content != null) {
/** @type {import('@librechat/agents').MessageContentComplex} */
const newContent = [];
for (let part of msg.content) {
if (part.think != null) {
continue;
}
newContent.push(part);
}
msg.content = newContent;
}
return msg;

10
api/app/clients/OpenAIClient.js
View file

@ -1107,6 +1107,16 @@ ${convo}
return (msg) => {
if (msg.text != null && msg.text && msg.text.startsWith(':::thinking')) {
msg.text = msg.text.replace(/:::thinking.*?:::/gs, '').trim();
} else if (msg.content != null) {
/** @type {import('@librechat/agents').MessageContentComplex} */
const newContent = [];
for (let part of msg.content) {
if (part.think != null) {
continue;
}
newContent.push(part);
}
msg.content = newContent;
}
return msg;

4
api/cache/keyvRedis.js vendored
View file

@ -77,10 +77,10 @@ if (REDIS_URI && isEnabled(USE_REDIS)) {
keyvRedis.on('error', (err) => logger.error('KeyvRedis connection error:', err));
keyvRedis.setMaxListeners(redis_max_listeners);
logger.info(
'[Optional] Redis initialized. Note: Redis support is experimental. If you have issues, disable it. Cache needs to be flushed for values to refresh.',
'[Optional] Redis initialized. If you have issues, or seeing older values, disable it or flush cache to refresh values.',
);
} else {
logger.info('[Optional] Redis not initialized. Note: Redis support is experimental.');
logger.info('[Optional] Redis not initialized.');
}
module.exports = keyvRedis;

4
api/package.json
View file

@ -38,8 +38,8 @@
"@aws-sdk/client-s3": "^3.758.0",
"@aws-sdk/s3-request-presigner": "^3.758.0",
"@azure/identity": "^4.7.0",
"@azure/storage-blob": "^12.26.0",
"@azure/search-documents": "^12.0.0",
"@azure/storage-blob": "^12.26.0",
"@google/generative-ai": "^0.23.0",
"@googleapis/youtube": "^20.0.0",
"@keyv/mongo": "^2.1.8",
@ -49,7 +49,7 @@
"@langchain/google-genai": "^0.1.11",
"@langchain/google-vertexai": "^0.2.2",
"@langchain/textsplitters": "^0.1.0",
"@librechat/agents": "^2.2.8",
"@librechat/agents": "^2.3.8",
"@librechat/data-schemas": "*",
"@waylaidwanderer/fetch-event-source": "^3.0.1",
"axios": "^1.8.2",

2
api/server/controllers/agents/run.js
View file

@ -68,7 +68,7 @@ async function createRun({
};
// TEMPORARY FOR TESTING
if (agent.provider === Providers.ANTHROPIC) {
if (agent.provider === Providers.ANTHROPIC || agent.provider === Providers.BEDROCK) {
graphConfig.streamBuffer = 2000;
}

10
api/server/services/Endpoints/agents/initialize.js
View file

@ -201,15 +201,17 @@ const initializeAgentOptions = async ({
const tokensModel =
agent.provider === EModelEndpoint.azureOpenAI ? agent.model : agent.model_parameters.model;
const maxTokens = agent.model_parameters.maxOutputTokens ?? agent.model_parameters.maxTokens ?? 0;
const maxContextTokens =
agent.model_parameters.maxContextTokens ??
agent.max_context_tokens ??
getModelMaxTokens(tokensModel, providerEndpointMap[provider]) ??
4096;
return {
...agent,
tools,
attachments,
toolContextMap,
maxContextTokens:
agent.max_context_tokens ??
((getModelMaxTokens(tokensModel, providerEndpointMap[provider]) ?? 4000) - maxTokens) * 0.9,
maxContextTokens: (maxContextTokens - maxTokens) * 0.9,
};
};

11
api/server/services/Files/S3/crud.js
View file

@ -1,15 +1,12 @@
const fs = require('fs');
const path = require('path');
const axios = require('axios');
const fetch = require('node-fetch');
const { getBufferMetadata } = require('~/server/utils');
const { initializeS3 } = require('./initialize');
const { logger } = require('~/config');
const { PutObjectCommand, GetObjectCommand, DeleteObjectCommand } = require('@aws-sdk/client-s3');
const { getSignedUrl } = require('@aws-sdk/s3-request-presigner');
const { initializeS3 } = require('./initialize');
const { logger } = require('~/config');
const bucketName = process.env.AWS_BUCKET_NAME;
const s3 = initializeS3();
const defaultBasePath = 'images';
/**
@ -32,6 +29,7 @@ async function saveBufferToS3({ userId, buffer, fileName, basePath = defaultBase
const params = { Bucket: bucketName, Key: key, Body: buffer };
try {
const s3 = initializeS3();
await s3.send(new PutObjectCommand(params));
return await getS3URL({ userId, fileName, basePath });
} catch (error) {
@ -54,6 +52,7 @@ async function getS3URL({ userId, fileName, basePath = defaultBasePath }) {
const params = { Bucket: bucketName, Key: key };
try {
const s3 = initializeS3();
return await getSignedUrl(s3, new GetObjectCommand(params), { expiresIn: 86400 });
} catch (error) {
logger.error('[getS3URL] Error getting signed URL from S3:', error.message);
@ -97,6 +96,7 @@ async function deleteFileFromS3({ userId, fileName, basePath = defaultBasePath }
const params = { Bucket: bucketName, Key: key };
try {
const s3 = initializeS3();
await s3.send(new DeleteObjectCommand(params));
logger.debug('[deleteFileFromS3] File deleted successfully from S3');
} catch (error) {
@ -144,6 +144,7 @@ async function uploadFileToS3({ req, file, file_id, basePath = defaultBasePath }
async function getS3FileStream(filePath) {
const params = { Bucket: bucketName, Key: filePath };
try {
const s3 = initializeS3();
const data = await s3.send(new GetObjectCommand(params));
return data.Body; // Returns a Node.js ReadableStream.
} catch (error) {

14
api/server/services/MCP.js
View file

@ -37,11 +37,19 @@ async function createMCPTool({ req, toolKey, provider }) {
}
const [toolName, serverName] = toolKey.split(Constants.mcp_delimiter);
/** @type {(toolInput: Object | string) => Promise<unknown>} */
const _call = async (toolInput) => {
/** @type {(toolArguments: Object | string, config?: GraphRunnableConfig) => Promise<unknown>} */
const _call = async (toolArguments, config) => {
try {
const mcpManager = await getMCPManager();
const result = await mcpManager.callTool(serverName, toolName, provider, toolInput);
const result = await mcpManager.callTool({
serverName,
toolName,
provider,
toolArguments,
options: {
signal: config?.signal,
},
});
if (isAssistantsEndpoint(provider) && Array.isArray(result)) {
return result[0];
}

2
client/src/components/SidePanel/Parameters/settings.ts
View file

@ -497,10 +497,10 @@ const openAICol1: SettingsConfiguration = [
baseDefinitions.model as SettingDefinition,
openAIParams.chatGptLabel,
librechat.promptPrefix,
librechat.maxContextTokens,
];
const openAICol2: SettingsConfiguration = [
librechat.maxContextTokens,
openAIParams.max_tokens,
openAIParams.temperature,
openAIParams.top_p,

711
package-lock.json generated
View file

@ -65,7 +65,7 @@
"@langchain/google-genai": "^0.1.11",
"@langchain/google-vertexai": "^0.2.2",
"@langchain/textsplitters": "^0.1.0",
"@librechat/agents": "^2.2.8",
"@librechat/agents": "^2.3.8",
"@librechat/data-schemas": "*",
"@waylaidwanderer/fetch-event-source": "^3.0.1",
"axios": "^1.8.2",
@ -670,9 +670,9 @@
}
},
"api/node_modules/@librechat/agents": {
"version": "2.2.8",
"resolved": "https://registry.npmjs.org/@librechat/agents/-/agents-2.2.8.tgz",
"integrity": "sha512-cRG1Tz20sTHGzfJ3vraHRpR3V5nNjnpfRqTxN9TZNd3mYzgWYGO488fHJvE/vhshuWh1979yqsh7Byj4M4WrSw==",
"version": "2.3.8",
"resolved": "https://registry.npmjs.org/@librechat/agents/-/agents-2.3.8.tgz",
"integrity": "sha512-S8v1EmEBvE/cJ85inApFCkYay97EJ2s0goUfXGK86wPssC0EZRUJ/iYhcD61cnAQ+vRTk0a+Hn7P42Yw68V93A==",
"dependencies": {
"@aws-crypto/sha256-js": "^5.2.0",
"@aws-sdk/credential-provider-node": "^3.613.0",
@ -702,9 +702,9 @@
}
},
"api/node_modules/@librechat/agents/node_modules/@langchain/community": {
"version": "0.3.35",
"resolved": "https://registry.npmjs.org/@langchain/community/-/community-0.3.35.tgz",
"integrity": "sha512-dOV+Uky/zcwN6XJ0I2lQ8cOZ59NOt9OuyuKQhxuGzLIu3d08xVTaEIFSTuuU1f8fN7Vl1yUUJlQENoxW4OdzvQ==",
"version": "0.3.36",
"resolved": "https://registry.npmjs.org/@langchain/community/-/community-0.3.36.tgz",
"integrity": "sha512-4jBB4yqux8CGfCwlBbtXck5qP0yJPwDvtwI4KUN2j/At+zSZn1FyTL11G75ctG2b5GO7u+cR6QatDXIPooJphA==",
"dependencies": {
"@langchain/openai": ">=0.2.0 <0.5.0",
"binary-extensions": "^2.2.0",
@ -819,6 +819,7 @@
"lodash": "^4.17.21",
"lunary": "^0.7.10",
"mammoth": "^1.6.0",
"mariadb": "^3.4.0",
"mongodb": ">=5.2.0",
"mysql2": "^3.9.8",
"neo4j-driver": "*",
@ -1133,6 +1134,9 @@
"mammoth": {
"optional": true
},
"mariadb": {
"optional": true
},
"mongodb": {
"optional": true
},
@ -14143,10 +14147,9 @@
}
},
"node_modules/@babel/runtime": {
"version": "7.26.7",
"resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.26.7.tgz",
"integrity": "sha512-AOPI3D+a8dXnja+iwsUqGRjr1BbZIe771sXdapOtYI531gSqpi92vXivKcq2asu/DFpdl1ceFAKZyRzK2PCVcQ==",
"license": "MIT",
"version": "7.26.10",
"resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.26.10.tgz",
"integrity": "sha512-2WJMeRQPHKSPemqk/awGrAiuFfzBmOIPXKizAsVhWH9YJqLZ0H+HS4c8loHGgW6utJ3E/ejXQUsiGaQy2NZ9Fw==",
"dependencies": {
"regenerator-runtime": "^0.14.0"
},
@ -18570,9 +18573,9 @@
}
},
"node_modules/@langchain/langgraph": {
"version": "0.2.56",
"resolved": "https://registry.npmjs.org/@langchain/langgraph/-/langgraph-0.2.56.tgz",
"integrity": "sha512-/uiQL+SeEGNv6QZOilxdwNwDoYQ+t3pFr5tZyG3lvmgmO2Pfojp7SIV2y/yuVYkNlKPvKvpdfE6mmCkCT4G2aA==",
"version": "0.2.57",
"resolved": "https://registry.npmjs.org/@langchain/langgraph/-/langgraph-0.2.57.tgz",
"integrity": "sha512-SolqE+HzwbxEEiqAVgHwE11r9lzjZAnAfEe7MMBUE77TUCaWK3GC0VvDfJMNas53ndlc0KRutmpEa0ODWdhcRQ==",
"dependencies": {
"@langchain/langgraph-checkpoint": "~0.0.16",
"@langchain/langgraph-sdk": "~0.0.32",
@ -18613,9 +18616,9 @@
}
},
"node_modules/@langchain/langgraph-sdk": {
"version": "0.0.57",
"resolved": "https://registry.npmjs.org/@langchain/langgraph-sdk/-/langgraph-sdk-0.0.57.tgz",
"integrity": "sha512-xb1OgsQ7fq6zjWaspa/9yjZ35kf1/qIPBC8wkNUI0gelnZLeAnss9RhGKc8L2qMB1P3anxRB9IPGwqCoMUHimg==",
"version": "0.0.60",
"resolved": "https://registry.npmjs.org/@langchain/langgraph-sdk/-/langgraph-sdk-0.0.60.tgz",
"integrity": "sha512-7ndeAdw1afVY72HpKEGw7AyuDlD7U3e4jxaJflxA+PXaFPiE0d/hQYvlPT84YmvqNzJN605hv7YcrOju2573bQ==",
"dependencies": {
"@types/json-schema": "^7.0.15",
"p-queue": "^6.6.2",
@ -19083,342 +19086,6 @@
"node-fetch": "^2.6.7"
}
},
"node_modules/@modelcontextprotocol/sdk": {
"version": "1.6.1",
"resolved": "https://registry.npmjs.org/@modelcontextprotocol/sdk/-/sdk-1.6.1.tgz",
"integrity": "sha512-oxzMzYCkZHMntzuyerehK3fV6A2Kwh5BD6CGEJSVDU2QNEhfLOptf2X7esQgaHZXHZY0oHmMsOtIDLP71UJXgA==",
"dependencies": {
"content-type": "^1.0.5",
"cors": "^2.8.5",
"eventsource": "^3.0.2",
"express": "^5.0.1",
"express-rate-limit": "^7.5.0",
"pkce-challenge": "^4.1.0",
"raw-body": "^3.0.0",
"zod": "^3.23.8",
"zod-to-json-schema": "^3.24.1"
},
"engines": {
"node": ">=18"
}
},
"node_modules/@modelcontextprotocol/sdk/node_modules/accepts": {
"version": "2.0.0",
"resolved": "https://registry.npmjs.org/accepts/-/accepts-2.0.0.tgz",
"integrity": "sha512-5cvg6CtKwfgdmVqY1WIiXKc3Q1bkRqGLi+2W/6ao+6Y7gu/RCwRuAhGEzh5B4KlszSuTLgZYuqFqo5bImjNKng==",
"dependencies": {
"mime-types": "^3.0.0",
"negotiator": "^1.0.0"
},
"engines": {
"node": ">= 0.6"
}
},
"node_modules/@modelcontextprotocol/sdk/node_modules/body-parser": {
"version": "2.1.0",
"resolved": "https://registry.npmjs.org/body-parser/-/body-parser-2.1.0.tgz",
"integrity": "sha512-/hPxh61E+ll0Ujp24Ilm64cykicul1ypfwjVttduAiEdtnJFvLePSrIPk+HMImtNv5270wOGCb1Tns2rybMkoQ==",
"dependencies": {
"bytes": "^3.1.2",
"content-type": "^1.0.5",
"debug": "^4.4.0",
"http-errors": "^2.0.0",
"iconv-lite": "^0.5.2",
"on-finished": "^2.4.1",
"qs": "^6.14.0",
"raw-body": "^3.0.0",
"type-is": "^2.0.0"
},
"engines": {
"node": ">=18"
}
},
"node_modules/@modelcontextprotocol/sdk/node_modules/body-parser/node_modules/qs": {
"version": "6.14.0",
"resolved": "https://registry.npmjs.org/qs/-/qs-6.14.0.tgz",
"integrity": "sha512-YWWTjgABSKcvs/nWBi9PycY/JiPJqOD4JA6o9Sej2AtvSGarXxKC3OQSk4pAarbdQlKAh5D4FCQkJNkW+GAn3w==",
"dependencies": {
"side-channel": "^1.1.0"
},
"engines": {
"node": ">=0.6"
},
"funding": {
"url": "https://github.com/sponsors/ljharb"
}
},
"node_modules/@modelcontextprotocol/sdk/node_modules/content-disposition": {
"version": "1.0.0",
"resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-1.0.0.tgz",
"integrity": "sha512-Au9nRL8VNUut/XSzbQA38+M78dzP4D+eqg3gfJHMIHHYa3bg067xj1KxMUWj+VULbiZMowKngFFbKczUrNJ1mg==",
"dependencies": {
"safe-buffer": "5.2.1"
},
"engines": {
"node": ">= 0.6"
}
},
"node_modules/@modelcontextprotocol/sdk/node_modules/cookie": {
"version": "0.7.1",
"resolved": "https://registry.npmjs.org/cookie/-/cookie-0.7.1.tgz",
"integrity": "sha512-6DnInpx7SJ2AK3+CTUE/ZM0vWTUboZCegxhC2xiIydHR9jNuTAASBrfEpHhiGOZw/nX51bHt6YQl8jsGo4y/0w==",
"engines": {
"node": ">= 0.6"
}
},
"node_modules/@modelcontextprotocol/sdk/node_modules/cookie-signature": {
"version": "1.2.2",
"resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.2.2.tgz",
"integrity": "sha512-D76uU73ulSXrD1UXF4KE2TMxVVwhsnCgfAyTg9k8P6KGZjlXKrOLe4dJQKI3Bxi5wjesZoFXJWElNWBjPZMbhg==",
"engines": {
"node": ">=6.6.0"
}
},
"node_modules/@modelcontextprotocol/sdk/node_modules/express": {
"version": "5.0.1",
"resolved": "https://registry.npmjs.org/express/-/express-5.0.1.tgz",
"integrity": "sha512-ORF7g6qGnD+YtUG9yx4DFoqCShNMmUKiXuT5oWMHiOvt/4WFbHC6yCwQMTSBMno7AqntNCAzzcnnjowRkTL9eQ==",
"dependencies": {
"accepts": "^2.0.0",
"body-parser": "^2.0.1",
"content-disposition": "^1.0.0",
"content-type": "~1.0.4",
"cookie": "0.7.1",
"cookie-signature": "^1.2.1",
"debug": "4.3.6",
"depd": "2.0.0",
"encodeurl": "~2.0.0",
"escape-html": "~1.0.3",
"etag": "~1.8.1",
"finalhandler": "^2.0.0",
"fresh": "2.0.0",
"http-errors": "2.0.0",
"merge-descriptors": "^2.0.0",
"methods": "~1.1.2",
"mime-types": "^3.0.0",
"on-finished": "2.4.1",
"once": "1.4.0",
"parseurl": "~1.3.3",
"proxy-addr": "~2.0.7",
"qs": "6.13.0",
"range-parser": "~1.2.1",
"router": "^2.0.0",
"safe-buffer": "5.2.1",
"send": "^1.1.0",
"serve-static": "^2.1.0",
"setprototypeof": "1.2.0",
"statuses": "2.0.1",
"type-is": "^2.0.0",
"utils-merge": "1.0.1",
"vary": "~1.1.2"
},
"engines": {
"node": ">= 18"
}
},
"node_modules/@modelcontextprotocol/sdk/node_modules/express/node_modules/debug": {
"version": "4.3.6",
"resolved": "https://registry.npmjs.org/debug/-/debug-4.3.6.tgz",
"integrity": "sha512-O/09Bd4Z1fBrU4VzkhFqVgpPzaGbw6Sm9FEkBT1A/YBXQFGuuSxa1dN2nxgxS34JmKXqYx8CZAwEVoJFImUXIg==",
"dependencies": {
"ms": "2.1.2"
},
"engines": {
"node": ">=6.0"
},
"peerDependenciesMeta": {
"supports-color": {
"optional": true
}
}
},
"node_modules/@modelcontextprotocol/sdk/node_modules/express/node_modules/ms": {
"version": "2.1.2",
"resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
"integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
},
"node_modules/@modelcontextprotocol/sdk/node_modules/finalhandler": {
"version": "2.1.0",
"resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-2.1.0.tgz",
"integrity": "sha512-/t88Ty3d5JWQbWYgaOGCCYfXRwV1+be02WqYYlL6h0lEiUAMPM8o8qKGO01YIkOHzka2up08wvgYD0mDiI+q3Q==",
"dependencies": {
"debug": "^4.4.0",
"encodeurl": "^2.0.0",
"escape-html": "^1.0.3",
"on-finished": "^2.4.1",
"parseurl": "^1.3.3",
"statuses": "^2.0.1"
},
"engines": {
"node": ">= 0.8"
}
},
"node_modules/@modelcontextprotocol/sdk/node_modules/fresh": {
"version": "2.0.0",
"resolved": "https://registry.npmjs.org/fresh/-/fresh-2.0.0.tgz",
"integrity": "sha512-Rx/WycZ60HOaqLKAi6cHRKKI7zxWbJ31MhntmtwMoaTeF7XFH9hhBp8vITaMidfljRQ6eYWCKkaTK+ykVJHP2A==",
"engines": {
"node": ">= 0.8"
}
},
"node_modules/@modelcontextprotocol/sdk/node_modules/iconv-lite": {
"version": "0.5.2",
"resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.5.2.tgz",
"integrity": "sha512-kERHXvpSaB4aU3eANwidg79K8FlrN77m8G9V+0vOR3HYaRifrlwMEpT7ZBJqLSEIHnEgJTHcWK82wwLwwKwtag==",
"dependencies": {
"safer-buffer": ">= 2.1.2 < 3"
},
"engines": {
"node": ">=0.10.0"
}
},
"node_modules/@modelcontextprotocol/sdk/node_modules/media-typer": {
"version": "1.1.0",
"resolved": "https://registry.npmjs.org/media-typer/-/media-typer-1.1.0.tgz",
"integrity": "sha512-aisnrDP4GNe06UcKFnV5bfMNPBUw4jsLGaWwWfnH3v02GnBuXX2MCVn5RbrWo0j3pczUilYblq7fQ7Nw2t5XKw==",
"engines": {
"node": ">= 0.8"
}
},
"node_modules/@modelcontextprotocol/sdk/node_modules/merge-descriptors": {
"version": "2.0.0",
"resolved": "https://registry.npmjs.org/merge-descriptors/-/merge-descriptors-2.0.0.tgz",
"integrity": "sha512-Snk314V5ayFLhp3fkUREub6WtjBfPdCPY1Ln8/8munuLuiYhsABgBVWsozAG+MWMbVEvcdcpbi9R7ww22l9Q3g==",
"engines": {
"node": ">=18"
},
"funding": {
"url": "https://github.com/sponsors/sindresorhus"
}
},
"node_modules/@modelcontextprotocol/sdk/node_modules/mime-db": {
"version": "1.53.0",
"resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.53.0.tgz",
"integrity": "sha512-oHlN/w+3MQ3rba9rqFr6V/ypF10LSkdwUysQL7GkXoTgIWeV+tcXGA852TBxH+gsh8UWoyhR1hKcoMJTuWflpg==",
"engines": {
"node": ">= 0.6"
}
},
"node_modules/@modelcontextprotocol/sdk/node_modules/mime-types": {
"version": "3.0.0",
"resolved": "https://registry.npmjs.org/mime-types/-/mime-types-3.0.0.tgz",
"integrity": "sha512-XqoSHeCGjVClAmoGFG3lVFqQFRIrTVw2OH3axRqAcfaw+gHWIfnASS92AV+Rl/mk0MupgZTRHQOjxY6YVnzK5w==",
"dependencies": {
"mime-db": "^1.53.0"
},
"engines": {
"node": ">= 0.6"
}
},
"node_modules/@modelcontextprotocol/sdk/node_modules/negotiator": {
"version": "1.0.0",
"resolved": "https://registry.npmjs.org/negotiator/-/negotiator-1.0.0.tgz",
"integrity": "sha512-8Ofs/AUQh8MaEcrlq5xOX0CQ9ypTF5dl78mjlMNfOK08fzpgTHQRQPBxcPlEtIw0yRpws+Zo/3r+5WRby7u3Gg==",
"engines": {
"node": ">= 0.6"
}
},
"node_modules/@modelcontextprotocol/sdk/node_modules/raw-body": {
"version": "3.0.0",
"resolved": "https://registry.npmjs.org/raw-body/-/raw-body-3.0.0.tgz",
"integrity": "sha512-RmkhL8CAyCRPXCE28MMH0z2PNWQBNk2Q09ZdxM9IOOXwxwZbN+qbWaatPkdkWIKL2ZVDImrN/pK5HTRz2PcS4g==",
"dependencies": {
"bytes": "3.1.2",
"http-errors": "2.0.0",
"iconv-lite": "0.6.3",
"unpipe": "1.0.0"
},
"engines": {
"node": ">= 0.8"
}
},
"node_modules/@modelcontextprotocol/sdk/node_modules/raw-body/node_modules/iconv-lite": {
"version": "0.6.3",
"resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.6.3.tgz",
"integrity": "sha512-4fCk79wshMdzMp2rH06qWrJE4iolqLhCUH+OiuIgU++RB0+94NlDL81atO7GX55uUKueo0txHNtvEyI6D7WdMw==",
"dependencies": {
"safer-buffer": ">= 2.1.2 < 3.0.0"
},
"engines": {
"node": ">=0.10.0"
}
},
"node_modules/@modelcontextprotocol/sdk/node_modules/send": {
"version": "1.1.0",
"resolved": "https://registry.npmjs.org/send/-/send-1.1.0.tgz",
"integrity": "sha512-v67WcEouB5GxbTWL/4NeToqcZiAWEq90N888fczVArY8A79J0L4FD7vj5hm3eUMua5EpoQ59wa/oovY6TLvRUA==",
"dependencies": {
"debug": "^4.3.5",
"destroy": "^1.2.0",
"encodeurl": "^2.0.0",
"escape-html": "^1.0.3",
"etag": "^1.8.1",
"fresh": "^0.5.2",
"http-errors": "^2.0.0",
"mime-types": "^2.1.35",
"ms": "^2.1.3",
"on-finished": "^2.4.1",
"range-parser": "^1.2.1",
"statuses": "^2.0.1"
},
"engines": {
"node": ">= 18"
}
},
"node_modules/@modelcontextprotocol/sdk/node_modules/send/node_modules/fresh": {
"version": "0.5.2",
"resolved": "https://registry.npmjs.org/fresh/-/fresh-0.5.2.tgz",
"integrity": "sha512-zJ2mQYM18rEFOudeV4GShTGIQ7RbzA7ozbU9I/XBpm7kqgMywgmylMwXHxZJmkVoYkna9d2pVXVXPdYTP9ej8Q==",
"engines": {
"node": ">= 0.6"
}
},
"node_modules/@modelcontextprotocol/sdk/node_modules/send/node_modules/mime-db": {
"version": "1.52.0",
"resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.52.0.tgz",
"integrity": "sha512-sPU4uV7dYlvtWJxwwxHD0PuihVNiE7TyAbQ5SWxDCB9mUYvOgroQOwYQQOKPJ8CIbE+1ETVlOoK1UC2nU3gYvg==",
"engines": {
"node": ">= 0.6"
}
},
"node_modules/@modelcontextprotocol/sdk/node_modules/send/node_modules/mime-types": {
"version": "2.1.35",
"resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.35.tgz",
"integrity": "sha512-ZDY+bPm5zTTF+YpCrAU9nK0UgICYPT0QtT1NZWFv4s++TNkcgVaT0g6+4R2uI4MjQjzysHB1zxuWL50hzaeXiw==",
"dependencies": {
"mime-db": "1.52.0"
},
"engines": {
"node": ">= 0.6"
}
},
"node_modules/@modelcontextprotocol/sdk/node_modules/serve-static": {
"version": "2.1.0",
"resolved": "https://registry.npmjs.org/serve-static/-/serve-static-2.1.0.tgz",
"integrity": "sha512-A3We5UfEjG8Z7VkDv6uItWw6HY2bBSBJT1KtVESn6EOoOr2jAxNhxWCLY3jDE2WcuHXByWju74ck3ZgLwL8xmA==",
"dependencies": {
"encodeurl": "^2.0.0",
"escape-html": "^1.0.3",
"parseurl": "^1.3.3",
"send": "^1.0.0"
},
"engines": {
"node": ">= 18"
}
},
"node_modules/@modelcontextprotocol/sdk/node_modules/type-is": {
"version": "2.0.0",
"resolved": "https://registry.npmjs.org/type-is/-/type-is-2.0.0.tgz",
"integrity": "sha512-gd0sGezQYCbWSbkZr75mln4YBidWUN60+devscpLF5mtRDUpiaTvKpBNrdaCvel1NdR2k6vclXybU5fBd2i+nw==",
"dependencies": {
"content-type": "^1.0.5",
"media-typer": "^1.1.0",
"mime-types": "^3.0.0"
},
"engines": {
"node": ">= 0.6"
}
},
"node_modules/@mongodb-js/saslprep": {
"version": "1.1.9",
"resolved": "https://registry.npmjs.org/@mongodb-js/saslprep/-/saslprep-1.1.9.tgz",
@ -44682,7 +44349,7 @@
"version": "1.1.0",
"license": "ISC",
"dependencies": {
"@modelcontextprotocol/sdk": "^1.6.1",
"@modelcontextprotocol/sdk": "^1.7.0",
"diff": "^7.0.0",
"eventsource": "^3.0.2",
"express": "^4.21.2"
@ -44719,6 +44386,144 @@
"keyv": "^4.5.4"
}
},
"packages/mcp/node_modules/@modelcontextprotocol/sdk": {
"version": "1.7.0",
"resolved": "https://registry.npmjs.org/@modelcontextprotocol/sdk/-/sdk-1.7.0.tgz",
"integrity": "sha512-IYPe/FLpvF3IZrd/f5p5ffmWhMc3aEMuM2wGJASDqC2Ge7qatVCdbfPx3n/5xFeb19xN0j/911M2AaFuircsWA==",
"dependencies": {
"content-type": "^1.0.5",
"cors": "^2.8.5",
"eventsource": "^3.0.2",
"express": "^5.0.1",
"express-rate-limit": "^7.5.0",
"pkce-challenge": "^4.1.0",
"raw-body": "^3.0.0",
"zod": "^3.23.8",
"zod-to-json-schema": "^3.24.1"
},
"engines": {
"node": ">=18"
}
},
"packages/mcp/node_modules/@modelcontextprotocol/sdk/node_modules/debug": {
"version": "4.3.6",
"resolved": "https://registry.npmjs.org/debug/-/debug-4.3.6.tgz",
"integrity": "sha512-O/09Bd4Z1fBrU4VzkhFqVgpPzaGbw6Sm9FEkBT1A/YBXQFGuuSxa1dN2nxgxS34JmKXqYx8CZAwEVoJFImUXIg==",
"dependencies": {
"ms": "2.1.2"
},
"engines": {
"node": ">=6.0"
},
"peerDependenciesMeta": {
"supports-color": {
"optional": true
}
}
},
"packages/mcp/node_modules/@modelcontextprotocol/sdk/node_modules/express": {
"version": "5.0.1",
"resolved": "https://registry.npmjs.org/express/-/express-5.0.1.tgz",
"integrity": "sha512-ORF7g6qGnD+YtUG9yx4DFoqCShNMmUKiXuT5oWMHiOvt/4WFbHC6yCwQMTSBMno7AqntNCAzzcnnjowRkTL9eQ==",
"dependencies": {
"accepts": "^2.0.0",
"body-parser": "^2.0.1",
"content-disposition": "^1.0.0",
"content-type": "~1.0.4",
"cookie": "0.7.1",
"cookie-signature": "^1.2.1",
"debug": "4.3.6",
"depd": "2.0.0",
"encodeurl": "~2.0.0",
"escape-html": "~1.0.3",
"etag": "~1.8.1",
"finalhandler": "^2.0.0",
"fresh": "2.0.0",
"http-errors": "2.0.0",
"merge-descriptors": "^2.0.0",
"methods": "~1.1.2",
"mime-types": "^3.0.0",
"on-finished": "2.4.1",
"once": "1.4.0",
"parseurl": "~1.3.3",
"proxy-addr": "~2.0.7",
"qs": "6.13.0",
"range-parser": "~1.2.1",
"router": "^2.0.0",
"safe-buffer": "5.2.1",
"send": "^1.1.0",
"serve-static": "^2.1.0",
"setprototypeof": "1.2.0",
"statuses": "2.0.1",
"type-is": "^2.0.0",
"utils-merge": "1.0.1",
"vary": "~1.1.2"
},
"engines": {
"node": ">= 18"
}
},
"packages/mcp/node_modules/@modelcontextprotocol/sdk/node_modules/ms": {
"version": "2.1.2",
"resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
"integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
},
"packages/mcp/node_modules/accepts": {
"version": "2.0.0",
"resolved": "https://registry.npmjs.org/accepts/-/accepts-2.0.0.tgz",
"integrity": "sha512-5cvg6CtKwfgdmVqY1WIiXKc3Q1bkRqGLi+2W/6ao+6Y7gu/RCwRuAhGEzh5B4KlszSuTLgZYuqFqo5bImjNKng==",
"dependencies": {
"mime-types": "^3.0.0",
"negotiator": "^1.0.0"
},
"engines": {
"node": ">= 0.6"
}
},
"packages/mcp/node_modules/body-parser": {
"version": "2.1.0",
"resolved": "https://registry.npmjs.org/body-parser/-/body-parser-2.1.0.tgz",
"integrity": "sha512-/hPxh61E+ll0Ujp24Ilm64cykicul1ypfwjVttduAiEdtnJFvLePSrIPk+HMImtNv5270wOGCb1Tns2rybMkoQ==",
"dependencies": {
"bytes": "^3.1.2",
"content-type": "^1.0.5",
"debug": "^4.4.0",
"http-errors": "^2.0.0",
"iconv-lite": "^0.5.2",
"on-finished": "^2.4.1",
"qs": "^6.14.0",
"raw-body": "^3.0.0",
"type-is": "^2.0.0"
},
"engines": {
"node": ">=18"
}
},
"packages/mcp/node_modules/body-parser/node_modules/iconv-lite": {
"version": "0.5.2",
"resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.5.2.tgz",
"integrity": "sha512-kERHXvpSaB4aU3eANwidg79K8FlrN77m8G9V+0vOR3HYaRifrlwMEpT7ZBJqLSEIHnEgJTHcWK82wwLwwKwtag==",
"dependencies": {
"safer-buffer": ">= 2.1.2 < 3"
},
"engines": {
"node": ">=0.10.0"
}
},
"packages/mcp/node_modules/body-parser/node_modules/qs": {
"version": "6.14.0",
"resolved": "https://registry.npmjs.org/qs/-/qs-6.14.0.tgz",
"integrity": "sha512-YWWTjgABSKcvs/nWBi9PycY/JiPJqOD4JA6o9Sej2AtvSGarXxKC3OQSk4pAarbdQlKAh5D4FCQkJNkW+GAn3w==",
"dependencies": {
"side-channel": "^1.1.0"
},
"engines": {
"node": ">=0.6"
},
"funding": {
"url": "https://github.com/sponsors/ljharb"
}
},
"packages/mcp/node_modules/brace-expansion": {
"version": "2.0.1",
"resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.1.tgz",
@ -44728,6 +44533,57 @@
"balanced-match": "^1.0.0"
}
},
"packages/mcp/node_modules/content-disposition": {
"version": "1.0.0",
"resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-1.0.0.tgz",
"integrity": "sha512-Au9nRL8VNUut/XSzbQA38+M78dzP4D+eqg3gfJHMIHHYa3bg067xj1KxMUWj+VULbiZMowKngFFbKczUrNJ1mg==",
"dependencies": {
"safe-buffer": "5.2.1"
},
"engines": {
"node": ">= 0.6"
}
},
"packages/mcp/node_modules/cookie": {
"version": "0.7.1",
"resolved": "https://registry.npmjs.org/cookie/-/cookie-0.7.1.tgz",
"integrity": "sha512-6DnInpx7SJ2AK3+CTUE/ZM0vWTUboZCegxhC2xiIydHR9jNuTAASBrfEpHhiGOZw/nX51bHt6YQl8jsGo4y/0w==",
"engines": {
"node": ">= 0.6"
}
},
"packages/mcp/node_modules/cookie-signature": {
"version": "1.2.2",
"resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.2.2.tgz",
"integrity": "sha512-D76uU73ulSXrD1UXF4KE2TMxVVwhsnCgfAyTg9k8P6KGZjlXKrOLe4dJQKI3Bxi5wjesZoFXJWElNWBjPZMbhg==",
"engines": {
"node": ">=6.6.0"
}
},
"packages/mcp/node_modules/finalhandler": {
"version": "2.1.0",
"resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-2.1.0.tgz",
"integrity": "sha512-/t88Ty3d5JWQbWYgaOGCCYfXRwV1+be02WqYYlL6h0lEiUAMPM8o8qKGO01YIkOHzka2up08wvgYD0mDiI+q3Q==",
"dependencies": {
"debug": "^4.4.0",
"encodeurl": "^2.0.0",
"escape-html": "^1.0.3",
"on-finished": "^2.4.1",
"parseurl": "^1.3.3",
"statuses": "^2.0.1"
},
"engines": {
"node": ">= 0.8"
}
},
"packages/mcp/node_modules/fresh": {
"version": "2.0.0",
"resolved": "https://registry.npmjs.org/fresh/-/fresh-2.0.0.tgz",
"integrity": "sha512-Rx/WycZ60HOaqLKAi6cHRKKI7zxWbJ31MhntmtwMoaTeF7XFH9hhBp8vITaMidfljRQ6eYWCKkaTK+ykVJHP2A==",
"engines": {
"node": ">= 0.8"
}
},
"packages/mcp/node_modules/glob": {
"version": "10.4.5",
"resolved": "https://registry.npmjs.org/glob/-/glob-10.4.5.tgz",
@ -44748,6 +44604,17 @@
"url": "https://github.com/sponsors/isaacs"
}
},
"packages/mcp/node_modules/iconv-lite": {
"version": "0.6.3",
"resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.6.3.tgz",
"integrity": "sha512-4fCk79wshMdzMp2rH06qWrJE4iolqLhCUH+OiuIgU++RB0+94NlDL81atO7GX55uUKueo0txHNtvEyI6D7WdMw==",
"dependencies": {
"safer-buffer": ">= 2.1.2 < 3.0.0"
},
"engines": {
"node": ">=0.10.0"
}
},
"packages/mcp/node_modules/jackspeak": {
"version": "3.4.3",
"resolved": "https://registry.npmjs.org/jackspeak/-/jackspeak-3.4.3.tgz",
@ -44763,6 +44630,44 @@
"@pkgjs/parseargs": "^0.11.0"
}
},
"packages/mcp/node_modules/media-typer": {
"version": "1.1.0",
"resolved": "https://registry.npmjs.org/media-typer/-/media-typer-1.1.0.tgz",
"integrity": "sha512-aisnrDP4GNe06UcKFnV5bfMNPBUw4jsLGaWwWfnH3v02GnBuXX2MCVn5RbrWo0j3pczUilYblq7fQ7Nw2t5XKw==",
"engines": {
"node": ">= 0.8"
}
},
"packages/mcp/node_modules/merge-descriptors": {
"version": "2.0.0",
"resolved": "https://registry.npmjs.org/merge-descriptors/-/merge-descriptors-2.0.0.tgz",
"integrity": "sha512-Snk314V5ayFLhp3fkUREub6WtjBfPdCPY1Ln8/8munuLuiYhsABgBVWsozAG+MWMbVEvcdcpbi9R7ww22l9Q3g==",
"engines": {
"node": ">=18"
},
"funding": {
"url": "https://github.com/sponsors/sindresorhus"
}
},
"packages/mcp/node_modules/mime-db": {
"version": "1.54.0",
"resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.54.0.tgz",
"integrity": "sha512-aU5EJuIN2WDemCcAp2vFBfp/m4EAhWJnUNSSw0ixs7/kXbd6Pg64EmwJkNdFhB8aWt1sH2CTXrLxo/iAGV3oPQ==",
"engines": {
"node": ">= 0.6"
}
},
"packages/mcp/node_modules/mime-types": {
"version": "3.0.0",
"resolved": "https://registry.npmjs.org/mime-types/-/mime-types-3.0.0.tgz",
"integrity": "sha512-XqoSHeCGjVClAmoGFG3lVFqQFRIrTVw2OH3axRqAcfaw+gHWIfnASS92AV+Rl/mk0MupgZTRHQOjxY6YVnzK5w==",
"dependencies": {
"mime-db": "^1.53.0"
},
"engines": {
"node": ">= 0.6"
}
},
"packages/mcp/node_modules/minimatch": {
"version": "9.0.5",
"resolved": "https://registry.npmjs.org/minimatch/-/minimatch-9.0.5.tgz",
@ -44778,6 +44683,28 @@
"url": "https://github.com/sponsors/isaacs"
}
},
"packages/mcp/node_modules/negotiator": {
"version": "1.0.0",
"resolved": "https://registry.npmjs.org/negotiator/-/negotiator-1.0.0.tgz",
"integrity": "sha512-8Ofs/AUQh8MaEcrlq5xOX0CQ9ypTF5dl78mjlMNfOK08fzpgTHQRQPBxcPlEtIw0yRpws+Zo/3r+5WRby7u3Gg==",
"engines": {
"node": ">= 0.6"
}
},
"packages/mcp/node_modules/raw-body": {
"version": "3.0.0",
"resolved": "https://registry.npmjs.org/raw-body/-/raw-body-3.0.0.tgz",
"integrity": "sha512-RmkhL8CAyCRPXCE28MMH0z2PNWQBNk2Q09ZdxM9IOOXwxwZbN+qbWaatPkdkWIKL2ZVDImrN/pK5HTRz2PcS4g==",
"dependencies": {
"bytes": "3.1.2",
"http-errors": "2.0.0",
"iconv-lite": "0.6.3",
"unpipe": "1.0.0"
},
"engines": {
"node": ">= 0.8"
}
},
"packages/mcp/node_modules/rimraf": {
"version": "5.0.10",
"resolved": "https://registry.npmjs.org/rimraf/-/rimraf-5.0.10.tgz",
@ -44792,6 +44719,82 @@
"funding": {
"url": "https://github.com/sponsors/isaacs"
}
},
"packages/mcp/node_modules/send": {
"version": "1.1.0",
"resolved": "https://registry.npmjs.org/send/-/send-1.1.0.tgz",
"integrity": "sha512-v67WcEouB5GxbTWL/4NeToqcZiAWEq90N888fczVArY8A79J0L4FD7vj5hm3eUMua5EpoQ59wa/oovY6TLvRUA==",
"dependencies": {
"debug": "^4.3.5",
"destroy": "^1.2.0",
"encodeurl": "^2.0.0",
"escape-html": "^1.0.3",
"etag": "^1.8.1",
"fresh": "^0.5.2",
"http-errors": "^2.0.0",
"mime-types": "^2.1.35",
"ms": "^2.1.3",
"on-finished": "^2.4.1",
"range-parser": "^1.2.1",
"statuses": "^2.0.1"
},
"engines": {
"node": ">= 18"
}
},
"packages/mcp/node_modules/send/node_modules/fresh": {
"version": "0.5.2",
"resolved": "https://registry.npmjs.org/fresh/-/fresh-0.5.2.tgz",
"integrity": "sha512-zJ2mQYM18rEFOudeV4GShTGIQ7RbzA7ozbU9I/XBpm7kqgMywgmylMwXHxZJmkVoYkna9d2pVXVXPdYTP9ej8Q==",
"engines": {
"node": ">= 0.6"
}
},
"packages/mcp/node_modules/send/node_modules/mime-db": {
"version": "1.52.0",
"resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.52.0.tgz",
"integrity": "sha512-sPU4uV7dYlvtWJxwwxHD0PuihVNiE7TyAbQ5SWxDCB9mUYvOgroQOwYQQOKPJ8CIbE+1ETVlOoK1UC2nU3gYvg==",
"engines": {
"node": ">= 0.6"
}
},
"packages/mcp/node_modules/send/node_modules/mime-types": {
"version": "2.1.35",
"resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.35.tgz",
"integrity": "sha512-ZDY+bPm5zTTF+YpCrAU9nK0UgICYPT0QtT1NZWFv4s++TNkcgVaT0g6+4R2uI4MjQjzysHB1zxuWL50hzaeXiw==",
"dependencies": {
"mime-db": "1.52.0"
},
"engines": {
"node": ">= 0.6"
}
},
"packages/mcp/node_modules/serve-static": {
"version": "2.1.0",
"resolved": "https://registry.npmjs.org/serve-static/-/serve-static-2.1.0.tgz",
"integrity": "sha512-A3We5UfEjG8Z7VkDv6uItWw6HY2bBSBJT1KtVESn6EOoOr2jAxNhxWCLY3jDE2WcuHXByWju74ck3ZgLwL8xmA==",
"dependencies": {
"encodeurl": "^2.0.0",
"escape-html": "^1.0.3",
"parseurl": "^1.3.3",
"send": "^1.0.0"
},
"engines": {
"node": ">= 18"
}
},
"packages/mcp/node_modules/type-is": {
"version": "2.0.0",
"resolved": "https://registry.npmjs.org/type-is/-/type-is-2.0.0.tgz",
"integrity": "sha512-gd0sGezQYCbWSbkZr75mln4YBidWUN60+devscpLF5mtRDUpiaTvKpBNrdaCvel1NdR2k6vclXybU5fBd2i+nw==",
"dependencies": {
"content-type": "^1.0.5",
"media-typer": "^1.1.0",
"mime-types": "^3.0.0"
},
"engines": {
"node": ">= 0.6"
}
}
}
}

2
packages/mcp/package.json
View file

@ -68,7 +68,7 @@
"registry": "https://registry.npmjs.org/"
},
"dependencies": {
"@modelcontextprotocol/sdk": "^1.6.1",
"@modelcontextprotocol/sdk": "^1.7.0",
"diff": "^7.0.0",
"eventsource": "^3.0.2",
"express": "^4.21.2"

23
packages/mcp/src/connection.ts
View file

@ -134,7 +134,12 @@ export class MCPConnection extends EventEmitter {
}
const url = new URL(options.url);
this.logger?.info(`[MCP][${this.serverName}] Creating SSE transport: ${url.toString()}`);
const transport = new SSEClientTransport(url);
const abortController = new AbortController();
const transport = new SSEClientTransport(url, {
requestInit: {
signal: abortController.signal,
},
});
transport.onclose = () => {
this.logger?.info(`[MCP][${this.serverName}] SSE transport closed`);
@ -175,6 +180,17 @@ export class MCPConnection extends EventEmitter {
this.isInitializing = false;
this.shouldStopReconnecting = false;
this.reconnectAttempts = 0;
/**
* // FOR DEBUGGING
* // this.client.setRequestHandler(PingRequestSchema, async (request, extra) => {
* // this.logger?.info(`[MCP][${this.serverName}] PingRequest: ${JSON.stringify(request)}`);
* // if (getEventListeners && extra.signal) {
* // const listenerCount = getEventListeners(extra.signal, 'abort').length;
* // this.logger?.debug(`Signal has ${listenerCount} abort listeners`);
* // }
* // return {};
* // });
*/
} else if (state === 'error' && !this.isReconnecting && !this.isInitializing) {
this.handleReconnection().catch((error) => {
this.logger?.error(`[MCP][${this.serverName}] Reconnection handler failed:`, error);
@ -269,7 +285,7 @@ export class MCPConnection extends EventEmitter {
this.transport = this.constructTransport(this.options);
this.setupTransportDebugHandlers();
const connectTimeout = this.options.initTimeout ?? 10000;
const connectTimeout = this.options.initTimeout ?? 10000;
await Promise.race([
this.client.connect(this.transport),
new Promise((_resolve, reject) =>
@ -304,6 +320,9 @@ export class MCPConnection extends EventEmitter {
const originalSend = this.transport.send.bind(this.transport);
this.transport.send = async (msg) => {
if ('result' in msg && !('method' in msg) && Object.keys(msg.result ?? {}).length === 0) {
throw new Error('Empty result');
}
this.logger?.debug(`[MCP][${this.serverName}] Transport sending: ${JSON.stringify(msg)}`);
return originalSend(msg);
};

25
packages/mcp/src/manager.ts
View file

@ -1,4 +1,5 @@
import { CallToolResultSchema } from '@modelcontextprotocol/sdk/types.js';
import type { RequestOptions } from '@modelcontextprotocol/sdk/shared/protocol.js';
import type { JsonSchemaType, MCPOptions } from 'librechat-data-provider';
import type { Logger } from 'winston';
import type * as t from './types/mcp';
@ -192,12 +193,19 @@ export class MCPManager {
}
}
async callTool(
serverName: string,
toolName: string,
provider: t.Provider,
toolArguments?: Record<string, unknown>,
): Promise<t.FormattedToolResponse> {
async callTool({
serverName,
toolName,
provider,
toolArguments,
options,
}: {
serverName: string;
toolName: string;
provider: t.Provider;
toolArguments?: Record<string, unknown>;
options?: RequestOptions;
}): Promise<t.FormattedToolResponse> {
const connection = this.connections.get(serverName);
if (!connection) {
throw new Error(
@ -213,7 +221,10 @@ export class MCPManager {
},
},
CallToolResultSchema,
{ timeout: connection.timeout },
{
timeout: connection.timeout,
...options,
},
);
return formatToolContent(result, provider);
}