L
Install Command
npx -y @langchain/mcp-serverClaude Desktop Config
{"command": "npx", "args": ["-y", "@langchain/mcp-server"]}LangChain is an officially maintained MCP server in the AI & ML category, developed by LangChain. It runs locally on your machine, keeping your data private and giving you full control over the connection. AI engineers can use it to chain models and pipelines into more powerful workflows.
About LangChain
Agent orchestration and chain integration.
Who Should Use LangChain?
- 1Chain AI models and pipelines through a unified MCP interface
- 2Let Claude orchestrate other AI tools and models
- 3Integrate embeddings, image generation, or speech APIs into your workflow
- 4Build multi-model workflows without writing custom integration code
How to Install LangChain
Before you start
You will need Node.js (v18 or later) installed on your machine — download it from nodejs.org if you haven't already.
- 1Open a terminal (Terminal on Mac, Command Prompt or PowerShell on Windows).
- 2Paste the install command above and press Enter — Node.js will download and run the server automatically.
- 3Add the server to your Claude Desktop config file (see the JSON snippet above) and restart Claude.
The Claude Desktop config snippet above can be copied and pasted directly into your claude_desktop_config.json file — no editing required.
How LangChain Compares
✦It is an officially maintained server — unlike community alternatives, it is built and supported by the original project team, ensuring compatibility with upstream changes.
✦It runs entirely on your local machine, so no data leaves your environment — important for teams with privacy or compliance requirements.
✦It is distributed as an npm package, making version management and updates straightforward with a single `npm update` command.
Tags
orchestrationaichainsframework