{
  "ucp": {
    "version": "1.0",
    "capabilities": {
      "checkout": {},
      "cart": {},
      "product-discovery": {}
    },
    "services": {
      "CartManager": [
        {
          "transport": "mcp",
          "endpoint": "http://localhost:8001/api/ucp/cart"
        }
      ]
    }
  }
}