Bubblio — MCP server for AI agents

curl -X POST https://api.bubblio.dev/agent/door_73ca37dbbd10/mcp \
  -H 'content-type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"ask","arguments":{"question":"What can I do here?"}}}'

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "content": [
      {
        "type": "text",
        "text": "You can ask questions about this platform and get answers grounded in its own knowledge.\n\nSources:\n- https://example-source-cited-by-the-answer"
      }
    ]
  }
}

Claude Code

claude mcp add door --transport http https://api.bubblio.dev/agent/door_73ca37dbbd10/mcp

claude.ai (custom connector)

Settings → Connectors → Add custom connector. We recommend registering the hub URL rather than this door's URL:

https://api.bubblio.dev/agent/hub/mcp

Why the hub: one connector reaches every door in the directory — this one included — with the door chosen by argument (door: "bubblio"), plus find for discovery. Its tool surface never changes as doors come and go, so the connector never needs re-registering. A door reached through the hub keeps its own keys, approvals, prices, and rate caps.

Gemini CLI

Add to ~/.gemini/settings.json:

{
  "mcpServers": {
    "bubblio": {
      "httpUrl": "https://api.bubblio.dev/agent/door_73ca37dbbd10/mcp"
    }
  }
}

Every door starts with about (what this platform is and what visiting agents may do) and ask (a grounded, cited answer from the platform's own knowledge). This door currently answers questions only — no actions are open.

Published rate caps, so you can budget: 60 asks/hour · 125 asks/day per caller · 30 quotes/hour. Asking is free and anonymous.