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LangChain Model Context Protocol Client

Verified Integration
Author: @isaacwasserman•Category: ServerApplication
GitHub Repository
JSON-RPC 2.0
Protocol Standard
Sub-second
Execution Latency
Active
Operational Status
Tags:#Claude#Search#Database#API#Python#Git#AI#GitHub#Node.js#Automation

Client Configuration

— Connect LangChain Model Context Protocol Client to Claude Desktop or Cursor in seconds
{
  "mcpServers": {
    "langchain-model-context-protocol-client": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-langchain-model-context-protocol-client"
      ],
      "env": {}
    }
  }
}
Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).
Architecture & Capabilities

System Overview

Connects LangChain.js applications to Model Context Protocol servers.

Indexed Date

7/23/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for LangChain Model Context Protocol Client

It's a TypeScript client that allows LangChain.js applications to connect to and utilize Model Context Protocol (MCP) servers. It provides access to a diverse set of MCP tools within LangChain.js.

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