mcpbeat

Langchain MCP Server

io.github.baixianger/langchain-mcp
local only

Langchain MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 84 installs a week from npm. Last commit 19 Jul 2026.

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

Installs per day peak 39 · avg 11 · +45% w/w
a month agotoday
84
Installs / week
npm · langchain-mcp
5
Stars
0 open issues
19 Jul 2026
Last commit
0 releases in 90 days
—
License
TypeScript

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

run in your terminal
claude mcp add langchain-mcp -- npx -y langchain-mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "langchain-mcp": {
      "args": [
        "-y",
        "langchain-mcp"
      ],
      "command": "npx"
    }
  }
}
~/.codex/config.toml
[mcp_servers.langchain-mcp]
command = "npx"
args = ["-y", "langchain-mcp"]
.cursor/mcp.json
{
  "mcpServers": {
    "langchain-mcp": {
      "args": [
        "-y",
        "langchain-mcp"
      ],
      "command": "npx"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "langchain-mcp": {
      "args": [
        "-y",
        "langchain-mcp"
      ],
      "command": "npx"
    }
  }
}

Langchain MCP — questions

Answers built from our own checks of this server.

Why is there no uptime for Langchain MCP?
Langchain MCP runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the npm package langchain-mcp was installed 84 times last week.
How do I connect Langchain MCP?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It runs locally, so the command pulls langchain-mcp straight from npm; nothing to host, nothing to sign up for.
How many people use Langchain MCP?
The npm package langchain-mcp was installed 84 times in the last week. Week over week that is +45%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is Langchain MCP open source?
Yes — written in TypeScript and 5 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.