{
  "protocolVersion": "2025-06-18",
  "transport": "streamable-http",
  "note": "POST a JSON-RPC 2.0 request. tools/list is free; tools/call answers 402 until a payment is presented.",
  "tools": [
    "pin_tool_surface",
    "check_tool_surface_drift",
    "witness_url",
    "check_tx_finality",
    "check_ai_permission",
    "witness_keys",
    "read_url"
  ]
}