fourzerotwo

Reliability

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How to connect

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "fourzerotwo": {
      "type": "http",
      "url": "https://fourzerotwo.si/mcp"
    }
  }
}

3 tools

• search_apis

  Find the right data endpoint for a task. Searches 500+ endpoints (UK legislation, Companies House, property prices, sanctions lists, vehicle tax, weather, earthquakes, arXiv/PubMed/Crossref papers, IP geolocation, GB electricity, ONS/World Bank/ECB economics, and more) by…

• list_apis

  Overview of every API group in the catalog: name, category, summary, number of endpoints and whether it has a free tier. Always free to call. Use it to browse; use search_apis to find a specific endpoint.

• call_api

  Run one endpoint by the tool name that search_apis returned, with that endpoint's parameters, and get its data back as JSON (with source and licence attribution). Endpoints with free_tier "free" or "sample" cost nothing within the daily allowance (100 calls/day anonymously, 500…

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