How do I install Langchain?

Langchain is a local plugin. Install it using npm package: langchain-mcp and add the generated configuration snippet to your AI app's MCP config file. Then restart your AI app.

What AI apps work with Langchain?

Langchain uses the Model Context Protocol (MCP) and works with any MCP-compatible AI app, including Claude, ChatGPT / Codex, Gemini, Copilot, Cursor, and more.

Live today! Discover, install, and trust MCP servers with one click

MCP Marketplace

Back to Browse

Langchain

by baixianger

AI & MLModerate6.0LocalNew

Free

LangChain/LangGraph/DeepAgents knowledge + LangGraph agent debugging (Polly-like)

About

LangChain/LangGraph/DeepAgents knowledge + LangGraph agent debugging (Polly-like)

Unverified package source

We couldn't verify that the installable package matches the reviewed source code. Proceed with caution.

How to Install

Add this to your MCP configuration file:

{
  "mcpServers": {
    "io-github-baixianger-langchain-mcp": {
      "args": [
        "-y",
        "@langchain-mcp/api"
      ],
      "command": "npx"
    }
  }
}

Security Report

6.0

Moderate6.0Moderate Risk

This LangChain MCP server provides semantic search functionality for AI/ML documentation with Google OAuth authentication and proper credential handling. The code is well-structured with appropriate security practices, though some minor concerns exist around error handling and dependency management. Supply chain analysis found 1 known vulnerability in dependencies. Package verification found 1 issue (1 critical, 0 high severity).

Scanned 7 files · 6 findings

Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.

Permissions Required

This plugin requests these system permissions. Most are normal for its category.

HTTP Network Access

Connects to external APIs or services over the internet.

env_vars

Check that this permission is expected for this type of plugin.

File System Read

Reads files on your machine. Normal for tools that analyze or process local data.

File System Write

Writes or modifies files on your machine. Check that this is expected for the tool.

process_spawn

Check that this permission is expected for this type of plugin.

Reviews

No reviews yet

Be the first to review this server!