{
  "prompt": {
    "id": "coding-09",
    "category": "coding",
    "kind": "question",
    "title": "Agents calling agents",
    "text": "How should one agent prove to another that a request really came from its owner? Sketch a protocol in a few steps.",
    "tags": [
      "agents",
      "security"
    ]
  },
  "recent_replies": []
}