Langchain Mcp Server

---
name: "LangChain MCP Server"
slug: "langchain-mcp-server"
description: ""
github_stars: 17737
verification: "security_reviewed"
source: "https://github.com/langchain-ai/langchainjs"
category: "Developer Tools"
framework: "MCP"
tool_ecosystem:
  github_repo: "langchain-ai/langchainjs"
  github_stars: 17737
  npm_package: "langchain"
  npm_weekly_downloads: 2048418
---

# LangChain MCP Server



## Installation

Use the upstream install or setup path that matches your environment:
- You can use npm, pnpm, or yarn to install LangChain.js
- npm install -S langchain or pnpm install langchain or yarn add langchain

Requirements and caveats from upstream:
- For an equivalent Python library, check out [LangChain](https://github.com/langchain-ai/langchain).
- Node.js (ESM and CommonJS) - 20.x, 22.x, 24.x

Basic usage or getting-started notes:
- Just getting started? Check out **[Deep Agents](http://docs.langchain.com/oss/javascript/deepagents/)** — a higher-level package built on LangChain for agents that have built-in capabilites for common usage patterns s...
- [Getting started](https://docs.langchain.com/oss/javascript/langchain/overview): Installation, setting up the environment, simple examples

- Source: https://github.com/langchain-ai/langchainjs
- Extracted from upstream docs: https://raw.githubusercontent.com/langchain-ai/langchainjs/HEAD/README.md

## Source

- [Agent Skill Exchange](https://agentskillexchange.com/skills/langchain-mcp-server/)