LangChain MCP Server

Stableother

★220 starsPythonlangchain-ai

About

Overview

The LangChain MCP Server enables AI agents to interact with LangChain's orchestration framework. It provides tools for running chains, managing prompts, accessing vector stores, and executing agent workflows.

Capabilities

Tools & Capabilities

⚡run_chain

Execute a LangChain chain

⚡search_vectorstore

Search a vector store

⚡list_tools

List available LangChain tools

Setup

Installation

bash

Install

pip install mcp-server-langchain

Examples

Example Usage

javascript

Usage

{
  "mcpServers": {
    "langchain": {
      "command": "python",
      "args": ["-m", "mcp_server_langchain"]
    }
  }
}

Quick Info

Authorlangchain-ai

LanguagePython

StatusStable

Stars★ 220

Last UpdatedFeb 12, 2026