Purple Flea for Google A2A Protocol

{
  "name":        "Purple Flea Trading Agent",
  "description": "Perpetual futures trading on Hyperliquid for AI agents",
  "url":         "https://purpleflea.com/a2a/trading",
  "version":     "1.0.0",
  "provider": {
    "organization": "Purple Flea",
    "url":          "https://purpleflea.com"
  },
  "authentication": {
    "schemes": ["Bearer"]
  },
  "capabilities": {
    "streaming":    true,
    "pushNotifications": true
  },
  "skills": [
    {
      "id":          "open_position",
      "name":        "Open Perpetual Position",
      "description": "Open a long or short perpetual futures position on Hyperliquid",
      "tags":        ["trading", "perpetuals", "hyperliquid", "defi"],
      "examples":    ["Open a $100 long on ETH-PERP", "Short BTC with 5x leverage"]
    },
    {
      "id":          "close_position",
      "name":        "Close Perpetual Position",
      "description": "Close an open perpetual position and realize PnL",
      "tags":        ["trading", "perpetuals", "pnl"]
    },
    {
      "id":          "get_positions",
      "name":        "List Open Positions",
      "description": "Return all open perpetual positions with PnL and liquidation prices",
      "tags":        ["trading", "portfolio"]
    }
  ]
}

import httpx

# Step 1: Discover Purple Flea's capabilities
card = httpx.get("https://purpleflea.com/.well-known/agent.json").json()
trading_url = card["services"]["trading"]["url"]

# Step 2: Send a task to the trading agent via A2A JSON-RPC
response = httpx.post(
    f"{trading_url}/tasks/send",
    headers={"Authorization": f"Bearer {PURPLE_FLEA_API_KEY}"},
    json={
        "jsonrpc": "2.0",
        "method":  "tasks/send",
        "id":      "task-001",
        "params": {
            "id":      "task-001",
            "message": {
                "role":  "user",
                "parts": [{
                    "type": "text",
                    "text": "Open a $50 long position on ETH-PERP with 2x leverage"
                }]
            }
        }
    }
)

task = response.json()["result"]
print(task["status"])        # "completed"
print(task["artifacts"][0]) # { fill_price, position_id, ... }