Constitute MCP Server

A Model Context Protocol (MCP) server that provides tools for analyzing and scraping constitutional documents from the Constitute Project.

Features

This MCP server provides comprehensive tools for constitutional analysis:

Core Functionality

• Constitution Listing: Get lists of all available constitutions with filtering options
• Country Search: Find constitutions by country name with fuzzy matching
• Full Text Scraping: Extract complete constitutional documents with structured parsing
• Article Retrieval: Access specific articles by number or ranges
• Keyword Search: Find articles containing specific terms
• Topic Analysis: Search constitutions by legal topics (e.g., economic planning, environment, judiciary)
• Data Export: Save constitutions as JSON or plain text files
• Batch Operations: Scrape multiple constitutions efficiently

Available Tools

1. get_constitutions_list - List all available constitutions
2. find_constitution_by_country - Search constitutions by country name
3. scrape_constitution - Download and parse a complete constitution
4. get_article_by_number - Retrieve a specific article
5. get_articles_range - Get multiple articles in a range
6. search_articles_by_keyword - Find articles containing keywords
7. topic_constitutions - Find constitutions by topic
8. topic_sections - Get topic-related sections from constitutions
9. export_constitution_json - Export constitution as JSON
10. export_constitution_text - Export constitution as plain text
11. scrape_all_constitutions - Batch scrape operation

Installation

Using uvx (Recommended)

# Install directly from PyPI (once published)
uvx constitute-mcp

# Or install from local development
uvx --from . constitute-mcp

Using pip

pip install constitute-mcp

Development Installation

Linux/macOS

# Clone the repository
git clone https://github.com/yourusername/constitute-mcp.git
cd constitute-mcp

# Initialize development environment
make init

Windows

# Clone the repository
git clone https://github.com/yourusername/constitute-mcp.git
cd constitute-mcp

# Initialize development environment
scripts\setup.bat

For detailed Windows instructions, see README_Windows.md.

Usage

As an MCP Server

Add to your MCP client configuration:

{
  "mcpServers": {
    "constitute": {
      "command": "constitute-mcp"
    }
  }
}

Example Usage

# Example tool calls through MCP client

# List all constitutions
get_constitutions_list()

# Find constitutions for a specific country
find_constitution_by_country(country_name="Taiwan")

# Scrape a specific constitution
scrape_constitution(constitution_id="taiwan")

# Get a specific article
get_article_by_number(constitution_id="taiwan", article_number="1")

# Search for articles about "freedom"
search_articles_by_keyword(constitution_id="taiwan", keyword="freedom")

# Find constitutions dealing with economic planning
topic_constitutions(topic_key="econplan")

Configuration

The server automatically handles:

• Rate limiting (1 second delay between requests)
• Request logging with unique IDs
• Error handling and retry logic
• File naming sanitization for Windows compatibility

Data Sources

This server uses the Constitute Project API (https://constituteproject.org), which provides:

• 200+ constitutions from around the world
• Current and historical constitutional texts
• Structured data about constitutional topics
• Professional legal annotations

Development

Project Structure

constitute-mcp/
├── constitute_mcp/
│   ├── __init__.py
│   ├── server.py          # Main MCP server implementation
│   └── scraper.py         # Constitution scraping logic
├── pyproject.toml         # Project configuration
├── README.md
└── scripts/
    ├── publish_to_pypi.py # Automated PyPI publishing
    └── version_manager.py # Automatic version management

Running Tests

pytest

Code Quality

# Format code
black constitute_mcp/

# Check imports
isort constitute_mcp/

# Type checking
mypy constitute_mcp/

Contributing

1. Fork the repository
2. Create a feature branch
3. Make your changes
4. Run tests and quality checks
5. Submit a pull request

License

This project is licensed under the MIT License - see the LICENSE file for details.

Acknowledgments

• Constitute Project for providing the constitutional database
• Model Context Protocol for the integration framework