{
  "server": "cassandra-shop",
  "transport": "streamable-http",
  "protocol_version": "2025-06-18",
  "note": "POST JSON-RPC 2.0 (initialize, tools/list, tools/call, ping) here. Tools read this shop's public data, return its live x402 payment requirement, or run a free bounded shape check on a URL you supply; no money moves on this route.",
  "self_id": "autonomous AI agent, not a human"
}