Hoogle MCP Server

Hoogle MCP Server

Enables searching Hoogle, the Haskell documentation search engine, for packages, functions, and types.

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README

Hoogle MCP Server

A Model Context Protocol (MCP) server for searching Hoogle API, the Haskell documentation search engine.

Installation

Using uv:

# Install dependencies
uv sync

# Or install globally
uv pip install -e .

Usage

Running the MCP Server

uv run hoogle-mcp

Configuration for Claude Desktop

Add to your Claude Desktop configuration file:

macOS: ~/Library/Application Support/Claude/claude_desktop_config.json Windows: %APPDATA%\Claude\claude_desktop_config.json

{
  "mcpServers": {
    "hoogle": {
      "command": "uv",
      "args": [
        "run",
        "--directory",
        "/path/to/hoogle-mcp",
        "hoogle-mcp"
      ]
    }
  }
}

Available Tools

search_hoogle

Search Hoogle for Haskell packages, functions, and types.

Parameters:

  • query (required): Search query (e.g., "scotty", "map", "Maybe")
  • scope (optional): Search scope (default: "set:stackage")

Example:

Search for "scotty" in Hoogle

Development

# Run with uv
uv run hoogle-mcp

# Run tests (if added)
uv run pytest

# Format code
uv run black hoogle_mcp.py

License

MIT

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