Compare closed tool argument-metadata field contracts for request-ingestion breaks. No JSON Schema resolution, arbitrary schema execution or full MCP compatibility certification. Offline typed nonpersonal metadata only. Result retention: 24 hours; minimal receipt metadata: 90 days.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.04 USDC | 0xec84...de28 |