Repology MCP Server

A Model Context Protocol (MCP) server that provides access to the Repology package repository data through a standardized interface.

Features

This MCP server exposes the following tools:

• search_projects: Search for projects by name

• get_project: Get detailed information about a specific project

• list_projects: List projects with optional filtering

• get_repository_problems: Get problems reported for repositories

• get_maintainer_problems: Get problems reported for specific maintainers

Installation

Using uv (recommended)

# Install dependencies
uv sync

# Install in development mode
uv pip install -e .

Using pip

pip install -e .

Usage

As a standalone server

# Run with stdio transport (for Claude Desktop, etc.)
repology-mcp-server

# Run with HTTP transport
repology-mcp-server --transport http --port 8000

With Claude Desktop

Add to your Claude Desktop configuration:

{
  "mcpServers": {
    "repology": {
      "command": "uv",
      "args": ["run", "repology-mcp-server"]
    }
  }
}

Or using the pre-built Docker image:

{
  "mcpServers": {
    "repology": {
      "command": "docker",
      "args": ["run", "-i", "--rm", "ghcr.io/tschoonj/repology-mcp-server:latest"]
    }
  }
}

With VS Code

Add to your VS Code settings (.vscode/settings.json or user settings):

{
  "mcp.servers": {
    "repology": {
      "command": "uv",
      "args": ["run", "repology-mcp-server"]
    }
  }
}

Or using the pre-built Docker image:

{
  "mcp.servers": {
    "repology": {
      "command": "docker",
      "args": ["run", "-i", "--rm", "ghcr.io/tschoonj/repology-mcp-server:latest"]
    }
  }
}

As a development server

# Run in development mode with MCP inspector
uv run mcp dev src/repology_mcp/server.py

Using Docker

Pre-built images from GitHub Container Registry

# Pull the latest image
docker pull ghcr.io/tschoonj/repology-mcp-server:latest

# Run with stdio transport
docker run -i --rm ghcr.io/tschoonj/repology-mcp-server:latest

# Run with HTTP transport on port 8000
docker run --rm -p 8000:8000 ghcr.io/tschoonj/repology-mcp-server:latest --transport http --port 8000

# Use a specific version
docker pull ghcr.io/tschoonj/repology-mcp-server:1.0.0
docker run -i --rm ghcr.io/tschoonj/repology-mcp-server:1.0.0

Local development with Docker

# Build the Docker image locally
docker build -t repology-mcp-server .

# Run with stdio transport
docker run -i --rm repology-mcp-server

# Run with HTTP transport on port 8000
docker run --rm -p 8000:8000 repology-mcp-server --transport http --port 8000

Development

Setup

# Clone the repository
git clone <repository-url>
cd repology-mcp-server

# Install development dependencies
uv sync --extra dev

Running tests

# Run all tests
uv run pytest

# Run with coverage
uv run pytest --cov=repology_mcp --cov-report=html

# Run specific test file
uv run pytest tests/test_client.py -v

Code formatting

# Format code
uv run black src tests
uv run isort src tests

# Type checking
uv run mypy src

API Reference

Tools

search_projects

Search for projects by name substring.

Parameters:

• query (string): Search term to match against project names

• limit (integer, optional): Maximum number of results (default: 10, max: 100)

get_project

Get detailed package information for a specific project.

Parameters:

• project_name (string): Exact name of the project to retrieve

list_projects

List projects with optional filtering.

Parameters:

• start_from (string, optional): Project name to start listing from

• limit (integer, optional): Maximum number of results (default: 10, max: 200)

• maintainer (string, optional): Filter by maintainer email

• category (string, optional): Filter by category

• inrepo (string, optional): Filter by repository presence

• notinrepo (string, optional): Filter by repository absence

get_repository_problems

Get problems reported for a specific repository.

Parameters:

• repository (string): Repository name (e.g., "freebsd", "debian")

• start_from (string, optional): Project name to start from for pagination

get_maintainer_problems

Get problems reported for packages maintained by a specific person.

Parameters:

• maintainer (string): Maintainer email address

• repository (string, optional): Limit to specific repository

• start_from (string, optional): Project name to start from for pagination

License

MIT License - see LICENSE file for details.

Contributing

1. Fork the repository

2. Create a feature branch

3. Make your changes

4. Add tests for new functionality

5. Run the test suite

6. Submit a pull request