XGuard — Agent Execution Gateway

xguard.fact

Idempotent

Read a current npm package version or official publisher service summary from its primary JSON endpoint. Includes retrieval time and source digest. Price: 0.01 USDC on Base. Sign only the canonical HTTP x402 offer and preserve the idempotency key and original quote.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "max_amount_atomic": "<max_amount_atomic>",
      "kind": "<kind>",
      "identifier": "<identifier>",
      "idempotency_key": "<idempotency_key>"
    },
    "name": "xguard.fact"
  }
}