Gov.uk MCP Server

A comprehensive Model Context Protocol (MCP) server providing access to 27 UK government data sources and services. Built for Claude Desktop and other MCP-compatible clients.

Note: This is a hobby project, expect issues and use for demonstration purposes only.

🌟 Features

• 33 Government APIs: Companies House, Parliament, NHS, Transport, and more
• 15 Visual Widgets: Rich UI components via MCP Apps for data visualization
• Production-Ready: Comprehensive input validation, error sanitization, rate limiting
• Type-Safe: Full input validation with regex patterns
• Secure: Sanitized errors, XSS protection, origin validation
• Fast: Concurrent execution for bulk operations (voting records)

💬 Example Prompts

Try asking:

• "What are the five nearest postcodes to SW1A 1AA?"
• "When is the next Bank Holiday?"
• "How can I get from Brixton to St Pancras?"
• "What's the status of the Circle Line?"
• "Where's my nearest Hospital?"
• "Who's my MP?"
• "What's their voting record?"

📦 Installation

# Clone the repository
git clone https://github.com/brummiesteven/GovUK-MCP.git
cd GovUK-MCP

# Install dependencies
pip install -e .

# Or with dev dependencies
pip install -e ".[dev]"

🔑 API Keys Setup

Create a .env file in the project root:

# Required for Companies House tools
COMPANIES_HOUSE_API_KEY=your_companies_house_key

# Required for EPC tools
EPC_API_KEY=your_email:your_epc_key

# Optional (works without but has lower rate limits)
TFL_API_KEY=your_tfl_key

API Key Requirements

Required APIs (2):

• Companies House API: https://developer.company-information.service.gov.uk/
• EPC API: https://epc.opendatacommunities.org/

Optional APIs (1):

• TfL API: https://api-portal.tfl.gov.uk/ (works without key but has rate limits)

No Key Required (24 tools): Postcode, Food Hygiene, Bank Holidays, Gov.uk Search, Flood Warnings, Police Crime, Courts, Charity, NHS, Legislation, CQC, Parliamentary tools

🚀 Usage

With Claude Desktop

Add to your claude_desktop_config.json:

{
  "mcpServers": {
    "gov-uk": {
      "command": "python",
      "args": ["-m", "gov_uk_mcp.server"],
      "env": {
        "COMPANIES_HOUSE_API_KEY": "your_key_here",
        "EPC_API_KEY": "your_email:your_key_here"
      }
    }
  }
}

Standalone (For Development)

python -m gov_uk_mcp.server

🛠️ Available Tools (33)

Transport (6)

• get_tube_status - All Tube lines status
• get_line_status - Specific line status
• plan_journey - Journey planner with step-by-step directions
• get_bike_points - Santander Cycles availability
• get_road_status - Major road conditions
• search_stops - Find bus stops, stations, etc.

Business & Finance (6)

• search_companies, get_company, get_company_officers, get_company_filing_history
• search_charities, get_charity

Location & Geographic (5)

• lookup_postcode, nearest_postcodes
• search_food_establishments, get_flood_warnings, get_crime_by_postcode

Healthcare (5)

• find_gp_surgeries, find_hospitals, find_pharmacies
• search_cqc_providers, get_cqc_provider

Parliamentary (5)

• find_mp, search_hansard, get_voting_record
• search_divisions, search_questions, get_questions_by_mp

Other Services (4)

• search_epc_by_postcode, find_courts, search_govuk, get_bank_holidays, search_legislation

🎨 MCP Apps Widgets

This server includes 15 visual widgets compatible with MCP Apps-enabled clients. Widgets provide rich, interactive visualizations of API responses.

Widget	Description
tube-status	London Underground status with line colors
postcode-lookup	Location information grid
company-info	Companies House profile card
food-hygiene	FSA ratings with score indicators
flood-warnings	Environment Agency alerts
mp-info	MP profile with photo and party colors
bank-holidays	Upcoming holidays calendar
crime-stats	Crime breakdown by category
cqc-rating	Care quality ratings display
charity-info	Charity Commission details
voting-record	Parliamentary voting history
bike-points	Santander Cycles availability
journey-planner	TfL journey with step-by-step
road-status	Major road conditions
nhs-services	GP, hospital, pharmacy finder

Widgets are automatically served when tools are called from compatible clients.

🧪 Testing

# Run all tests
pytest

# With coverage
pytest --cov=gov_uk_mcp --cov-report=html

# Specific test
pytest tests/test_validation.py -v

📝 License

MIT - see LICENSE

🙏 Credits

• MCP by Anthropic
• UK Government Open Data APIs
• Python ecosystem

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Built for the UK developer community 🇬🇧