Documentation MCP Server

@sagacious-satadru

Basic information

About Documentation MCP Server

An MCP server that can work with Claude desktop to fetch documentation from langchain, llama-index, and OpenAI.

Documentation MCP Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "Documentation-MCP": {
      "command": "uv",
      "args": [
        "venv"
      ]
    }
  }
}

Documentation MCP Server tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is Documentation MCP Server?

Documentation MCP Server is a Model Context Protocol (MCP) server that enables Claude to search and access documentation from popular libraries like LangChain, LlamaIndex, and OpenAI directly within conversations. It uses the Serper API for Google search integration and BeautifulSoup to extract relevant text from documentation pages.

How to use Documentation MCP Server?

Install the uv package manager, clone the project, create a virtual environment, install dependencies, and set your Serper API key in a .env file. Then add the MCP server configuration to Claude Desktop. After restarting Claude Desktop, ask Claude to search documentation using the get_docs tool, specifying the query, library (langchain, llama-index, or openai), and optional max_chars (default 1000).

Key features of Documentation MCP Server

Search documentation of LangChain, LlamaIndex, and OpenAI
Smart HTML extraction with BeautifulSoup
Configurable result length via max_chars parameter
Powered by Serper API for site-specific Google searches
Built with the MCP SDK
Simple setup with uv and Claude Desktop

Use cases of Documentation MCP Server

Quickly look up LangChain concepts (e.g., vector stores) during development
Retrieve LlamaIndex documentation excerpts without leaving the chat
Access OpenAI API details while building AI applications
Assist developers by providing contextual documentation in real time

Frequently asked questions

Which libraries are supported by Documentation MCP Server?

The server supports LangChain, LlamaIndex, and OpenAI documentation.

How do I configure Documentation MCP Server?

Install uv, clone the project, create a `.env` file with your Serper API key, install dependencies, and add the MCP server configuration to Claude Desktop by specifying the command `uv --directory /path run main.py` in the `claude_desktop_config.json`.

What parameters does the get_docs tool accept?

The tool accepts `query` (search term), `library` (langchain, llama-index, or openai), and `max_chars` (maximum characters to return, default 1000).

Why might a search return no results?

Check that your Serper API key is correct and that you have an active internet connection.

What should I do if Claude can't find the server?

Verify that the absolute path in your Claude Desktop configuration file matches the actual project directory location.

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