{"domain":"a2a-artifact-handoff.onrender.com","count":1,"changes":[{"captured_at":"2026-08-09T08:16:16","card_hash":"3b38b5b60f22da06436b72c389320d4a0a5fc7ad3e9300b0e9fbcbb7df819cf8","previous_card_hash":null,"diff":{"skills_added":[{"id":"compile-contract-handoff","name":"Compile contract handoff","description":"Compile source-agent outputs against a receiver-defined contract, select the required deliverables, validate media types and constraints, and return the package or unmet requirements.","tags":["contract","handoff","receiver","validation","integrity","provenance","a2a"],"inputModes":["application/json"],"outputModes":["application/json","application/zip"]},{"id":"inspect-contract-handoff","name":"Inspect contract handoff","description":"Inspect a compiled handoff, recalculate deliverable hashes, check expiry and contract satisfaction, and return the receiver's acceptance decision and next action.","tags":["inspection","acceptance","integrity","contract","receiver","a2a"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"prepare-artifact-handoff","name":"Prepare artifact handoff","description":"Package source-agent outputs for transfer with expiring URLs, SHA-256 hashes, a manifest, previews, and a portable ZIP.","tags":["artifact","handoff","manifest","integrity","provenance","a2a","agent-output"],"inputModes":["text/plain","text/markdown","application/json","text/csv","image/png","image/jpeg","image/webp"],"outputModes":["application/pdf","text/html","application/json","text/csv","image/png","application/zip"]}],"skills_removed":[],"skills_changed":[],"fields_changed":[{"field":"name","before":null,"after":"Artifact Handoff Agent"},{"field":"description","before":null,"after":"Coordinates verifiable handoffs between AI agents by packaging source outputs, compiling them against receiver-defined contracts, and returning integrity and acceptance decisions."},{"field":"version","before":null,"after":"0.6.0"}],"other_changed":true,"is_empty":false,"human_summary":"added 3 skills · name ∅ → Artifact Handoff Agent · description ∅ → Coordinates verifiable handoffs between  · version ∅ → 0.6.0"}}]}