Langchain MCP

Website • Installation • Features • Documentation. It runs locally over stdio via the published package.

People connecting developer tools tools to Claude, Cursor, VS Code, or another MCP client. The project is written in TypeScript.

VERIFIED ACTIVE

LAST COMMIT 2026-07-19 · ★ 5 · #85 OF 139 MAINTAINED DEVELOPER TOOLS · VERIFIED 2026-08-25

TypeScript servers · how we verify → /methodology

01 · Install Langchain MCP

before you install - you'll need

The README does not document required environment variables for a basic install.

Claude Code

claude mcp add baixianger-langchain-mcp -- npx -y langchain-mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "baixianger-langchain-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "langchain-mcp"
      ]
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions

license no standard license detected - usage rights unclear; check the repo before commercial use

npm package langchain-mcp - unscoped; check the name against the project README before installing

registry namespace io.github.baixianger is GitHub-verified and matches the repo owner

03 · Who maintains Langchain MCP

langchain-mcp is maintained by baixianger. We track 2 MCP servers from baixianger - 2 actively maintained, 12 combined GitHub stars, oldest repo from Dec 2025. Full record: all servers from baixianger.

  1. camoufox-mcp Anti-detection browser automation with Camoufox - stealth Firefox for web scraping ★ 7

04 · Facts

category
developer tools - ranked #85 of 139 actively-maintained developer tools servers as of 2026-08-25.
registry
io.github.baixianger/langchain-mcp (active, first published 2026-01-03 · 2 versions)
packages
npm:langchain-mcp

05 · Langchain MCP FAQ

What is Langchain MCP?

Website • Installation • Features • Documentation. It runs locally over stdio via the published package.

Is Langchain MCP still maintained?

Yes - as of 2026-08-25, its last commit was 2026-07-19. We re-verify nightly.

How do I install Langchain MCP?

Run `npx -y langchain-mcp`. The README does not document required environment variables for a basic install. You can also paste the ready-made client config above.

Does Langchain MCP run locally?

Yes - it's a stdio server: it runs on your machine (via npx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

06 · Alternatives to Langchain MCP

More developer tools MCP servers · Diffpilot · X64dbg · Herald · Weapp Agent MCP · Archlang MCP

More TypeScript MCP servers · Flutterwave · Openevidence MCP · Criterion · Balldontlie Api MCP Server · Maxential Thinking MCP · see all