PPN Hub — public APIs over MCP

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How to connect

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "ppn-hub-public-apis-over-mcp": {
      "type": "http",
      "url": "https://mcp.ppn-hub.com/mcp"
    }
  }
}

3 tools

• search_apis

  Search across 484 endpoints in 59 APIs (cultural, earth, energy-calc, green-path, harmonias, hydrogen, internal, nanobase, nanosnap, natura, platform, sakurahub, science, sim, space, stocks). Returns matching endpoints with method, path, summary, parameters, and a ready-to-run…

• execute_api

  Execute a request against any of the 59 registered APIs. Use search_apis first to find the correct api name and operationId. Requires 'Authorization: Bearer ppn_live_*'.

• environment_brief

  Environmental brief for one location: fans out to every public geo-aware API (weather, terrain, environment, …) and returns a merged JSON. Partial results come back with an errors[] list. Requires 'Authorization: Bearer ppn_live_*'.

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