Connect your AI agent to UK public data
Tax rates, company finances, property prices, legislation, and economic data — accessible to any AI agent via MCP. One config line, 35 tools.
Quick start
Add this to your agent's MCP config. Get an API key from console.govdata.dev.
{ "mcpServers": { "govdata": { "url": "https://mcp.govdata.dev/mcp", "headers": { "Authorization": "Bearer gd_live_..." } } } }
Choose your agent
Claude Desktop
Add to your config and ask questions in plain English.
Claude Code
UK Government data in your terminal coding workflow.
ChatGPT
Connect as a custom action for tax and company lookups.
Gemini
Use as an extension for Google's AI assistant.
Perplexity
Augment research queries with live UK data.
Any MCP Client
Streamable HTTP transport works with any MCP-compatible app.
MCP Reference
Full catalogue of tools, resources, and prompts available to your agent.
REST API
Every MCP tool and resource is also available as a traditional REST endpoint. Use the API directly from any language or framework.
Grab your key
Copy your test key (gd_test_...) from the dashboard.
Tax
Income tax, NI, VAT, CGT, dividends, take-home calculator
Companies
5M+ companies, financials, health scores, PSC data, PSC changes
Calendar
Bank holidays by region and year
Employment
Minimum wage, auto-enrolment thresholds
Benefits
Statutory payments, child benefit, universal credit
Property
Land Registry price paid data, address search, and statistics
Economics
Inflation, GDP, unemployment, house price index
Legislation
Acts of Parliament and Statutory Instruments
Guides
Data Coverage
| Domain | Source | Records | Updated |
|---|---|---|---|
| Tax | HMRC / GOV.UK | 6 tax years | Annually |
| Companies | Companies House | ~5.7M companies | Monthly + daily |
| Property | HM Land Registry | ~28M transactions | Monthly |
| Economics | ONS | ~1,800 data points | Weekly |
| Legislation | The National Archives | ~50K Acts & SIs | Weekly |
| Calendar | GOV.UK | ~280 bank holidays | Weekly |
| Employment | HMRC / GOV.UK | Wage rates & thresholds | Annually |
| Benefits | DWP / HMRC / GOV.UK | Statutory & benefit rates | Annually |
Base URL:
https://api.govdata.dev/v1
|
MCP:
https://mcp.govdata.dev/mcp
Contains public sector information licensed under the Open Government Licence v3.0.