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McpDocs

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Provide documentation about your Elixir project's functions and functions of dependencies to an LLM through an SSE MCP server.

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Overview

McpDocs is a tool that provides documentation about your Elixir project's functions and the functions of its dependencies to a language model through an SSE MCP server.

To use McpDocs, install it as a dependency in your Elixir project and start the SSE server using the provided commands.

  • Provides real-time documentation for Elixir projects. - Supports SSE (Server-Sent Events) for live updates. - Allows for manual recompilation of code during development.
  1. Generating documentation for Elixir projects automatically.
  2. Assisting developers in understanding project dependencies.
  3. Enhancing collaboration by providing up-to-date documentation.

Add to your AI client

Use these steps to connect McpDocs in Cursor, Claude, VS Code, and other MCP-compatible apps. The same JSON appears in the Use with menu above for one-click copy.

Cursor

Add this to your .cursor/mcp.json file in your project root, then restart Cursor.

.cursor/mcp.json

{
  "mcpServers": {
    "mcp-docs-josiahdahl": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-docs-josiahdahl"
      ]
    }
  }
}

Claude Desktop

Add this server entry to the mcpServers object in your Claude Desktop config, then restart the app.

~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows)

{
  "mcpServers": {
    "mcp-docs-josiahdahl": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-docs-josiahdahl"
      ]
    }
  }
}

Claude Code

Add this to your project's .mcp.json file. Claude Code will detect it automatically.

.mcp.json (project root)

{
  "mcpServers": {
    "mcp-docs-josiahdahl": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-docs-josiahdahl"
      ]
    }
  }
}

VS Code (Copilot)

Add this to your .vscode/mcp.json file. Requires the GitHub Copilot extension with MCP support enabled.

.vscode/mcp.json

{
  "servers": {
    "mcp-docs-josiahdahl": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-docs-josiahdahl"
      ]
    }
  }
}

Windsurf

Add this to your Windsurf MCP config file, then restart Windsurf.

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "mcp-docs-josiahdahl": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-docs-josiahdahl"
      ]
    }
  }
}

Cline

Open Cline settings, navigate to MCP Servers, and add this server configuration.

Cline MCP Settings (via UI)

{
  "mcpServers": {
    "mcp-docs-josiahdahl": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-docs-josiahdahl"
      ]
    }
  }
}

FAQ

How do I install McpDocs?

You can install McpDocs by adding it to your project's dependencies in the mix.exs file.

Can I run McpDocs on a specific port?

Yes! You can specify a port when starting the server using the --port option.

Is McpDocs suitable for production use?

McpDocs is primarily designed for development and testing environments.

Developer tools
McpDocs — MCP Registry