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PPN Hub — public APIs over MCP

com.ppn-hub/ppn-hub · v1.2.1

One MCP endpoint over 69 public PPN APIs: search_apis to discover, execute_api to call. Free tier.

Connect Remote server

Terminal
claude mcp add --transport http ppn-hub https://mcp.ppn-hub.com/mcp
~/.cursor/mcp.json
{
  "mcpServers": {
    "ppn-hub": {
      "url": "https://mcp.ppn-hub.com/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "ppn-hub": {
      "type": "http",
      "url": "https://mcp.ppn-hub.com/mcp"
    }
  }
}
Claude Desktop
Settings > Connectors > Add custom connector
URL: https://mcp.ppn-hub.com/mcp

Tools 3 found in our last check

  • search_apis

    Search across 519 endpoints in 60 APIs (amenomi, 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…

  • execute_api

    Execute a request against any of the 60 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_*'.

Details

Endpointhttps://mcp.ppn-hub.com/mcp (Streamable HTTP)
First published3 Aug 2026
Last updated3 Aug 2026
Registry namecom.ppn-hub/ppn-hub

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