{"slug":"skill-api-contract-drift-check-1622d714","name":"Skill: API contract drift check","summary":"The 'did this API contract change in a way that breaks our integration?' workflow. Diff two OpenAPI snapshots structurally, lint the new one for agent-readiness regressions, extract the endpoint surface for inventory comparison, validate a known-good payload against the new contract, and summarize security-relevant changes. Six tools, one go/no-go answer on whether the upstream API broke us.","status":"live","indexable":true,"listed_since":"2026-10-25T17:52:09.357568Z","sources":[{"source":"x402_bazaar","external_id":"https://agent402.tools/api/skill/schema-evolution","owner_address":"0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0","seen_at":"2026-10-26T06:00:32.292691Z","removed_at":null}],"endpoints":[{"url":"https://agent402.tools/api/skill/schema-evolution","host":"agent402.tools","protocol":"x402","state":"live","last_probe_at":"2026-10-25T21:49:42.304016Z","last_ok_at":"2026-10-25T21:49:42.304016Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[{"slug":"agent402-tools-4df46169","name":"agent402.tools"}],"payment_options":[],"usage":{"source":"x402_bazaar","unique_payers_30d":3,"paid_calls_30d":7,"last_paid_at":"2026-10-20T01:51:31.949Z","reported_at":"2026-10-26T06:00:32.292691Z"},"notice":"Not affiliated with addrbook — claim or request removal."}