{
  "ok": true,
  "type": "websdocs_asg_protocol_advertisement",
  "product": "WebsDocs AI Sales Gateway",
  "position": "Neutral buyer-agent to seller routing infrastructure",
  "versions": {
    "a2a": "1.0",
    "ucp": "2026-04-08",
    "mcp": "2025-11-25"
  },
  "publicGuides": {
    "human": "https://aig.websdocs.com/protocols",
    "json": "https://aig.websdocs.com/api/protocols",
    "directory": "https://aig.websdocs.com/directory",
    "directoryJson": "https://aig.websdocs.com/api/directory",
    "a2aGuide": "https://aig.websdocs.com/api/a2a",
    "llms": "https://aig.websdocs.com/llms.txt"
  },
  "sellerPattern": {
    "gateway": "https://aig.websdocs.com/ai/{clientSlug}",
    "agentCard": "https://aig.websdocs.com/ai/{clientSlug}/.well-known/agent-card.json",
    "a2aMessageSend": "https://aig.websdocs.com/ai/{clientSlug}/a2a/message:send",
    "a2aMessageStream": "https://aig.websdocs.com/ai/{clientSlug}/a2a/message:stream",
    "ucpProfile": "https://aig.websdocs.com/ai/{clientSlug}/.well-known/ucp",
    "ucpCheckout": "https://aig.websdocs.com/ai/{clientSlug}/ucp/v1/checkout-sessions",
    "ucpMcp": "https://aig.websdocs.com/ai/{clientSlug}/ucp/mcp"
  },
  "capabilities": {
    "a2a": [
      "agent discovery",
      "message send",
      "message streaming",
      "task management",
      "push notification configuration"
    ],
    "ucp": [
      "business capability discovery",
      "checkout session create/read/update",
      "completion request",
      "cancellation",
      "seller continuation URL"
    ],
    "mcp": [
      "initialize",
      "ping",
      "tools/list",
      "tools/call",
      "UCP checkout tools over Streamable HTTP JSON-RPC"
    ]
  },
  "commercialBoundary": {
    "merchantOfRecord": "seller",
    "fundsCustody": false,
    "rawCardDataAccepted": false,
    "paymentAuthorization": "buyer, seller, payment service provider, and financial institution",
    "asgRole": "discover, validate, route, log, and relay protocol responses"
  }
}