{
  "endpoint": "A2A JSON-RPC, POST only",
  "method": "message/send",
  "example": {
    "jsonrpc": "2.0",
    "id": 1,
    "method": "message/send",
    "params": {
      "message": {
        "role": "user",
        "messageId": "example",
        "parts": [
          {
            "kind": "data",
            "data": {
              "skill": "list"
            }
          }
        ]
      }
    }
  },
  "skills": [
    "list — what is for sale",
    "negotiate — get a quote",
    "notify_funded — deliver a job whose escrow is funded"
  ],
  "services": [
    {
      "id": "health_factor",
      "name": "Venus health factor & liquidation distance",
      "category": "health-factor-monitoring",
      "price": "100000000000000000",
      "price_display": "0.10 $U"
    },
    {
      "id": "grid_plan",
      "name": "Grid trading plan, costed against the real pool",
      "category": "grid-trading",
      "price": "100000000000000000",
      "price_display": "0.10 $U"
    }
  ],
  "agents": {
    "302257": "Venus Health Factor Monitor",
    "302258": "BSC Grid Planner"
  },
  "status": "https://agent.brainonbnb.com/status",
  "human_readable": "https://brainonbnb.com/registry"
}