{"id":"hobo-agent-agent-card-validator-v1","title":"HOBO Agent Card Validator — A2A Discovery Preflight","description":"Offline-first validator for A2A/agent-card JSON. Checks required identity, canonical HTTPS URLs, capabilities, stable skill IDs, and produces a deterministic fingerprint before an agent is indexed or connected.","price":{"amount":"90.00","currency":"USD"},"seller":"HOBO Works","license":"Personal and internal business use. No redistribution or resale without written HOBO Works permission.","category":"agent_integration","protocols":["Python 3.10+","CLI","JSON","A2A"],"tags":["agent card","A2A","discovery","validator","well-known","metadata","preflight"],"version":"1.0.0","compatibility":["Python 3.10+","Windows","macOS","Linux"],"input_schema":{"type":"object","properties":{"source":{"type":"string","description":"Local JSON path or public HTTPS card URL"},"command":{"const":"check"}},"required":["source"]},"output_schema":{"type":"object","properties":{"ok":{"type":"boolean"},"findings":{"type":"array"},"sha256":{"type":"string"}}},"delivery":"download_after_verified_payment","free":false,"featured":false,"delivery_type":"download","delivery_sla_hours":0,"billing":{"type":"one_time","interval":null,"entitlement_days":0},"updated_at":"2026-11-02T22:24:24.069027Z","rating":{"count":0,"average":null},"problem":"Connect agents with MCP, A2A, webhooks, SDKs, signed handoffs, and messaging.","use_cases":[{"id":"agent-integration","name":"Agent integration and messaging"},{"id":"api-contracts-discovery","name":"API contracts and discovery"},{"id":"data-intake","name":"Data intake and normalization"}],"example_queries":["Find a tool for agent-to-agent integration.","How can I add a signed webhook or handoff?","Find a tool to inspect or validate an agent API.","How can I detect a breaking API contract change?","Find a tool to preflight or normalize agent data.","How can I validate a CSV or JSONL intake?"],"agent_keywords":["3.10+","a2a","agent","agent-card","and","before","canonical","capabilities","card","checks","cli","connected.","deterministic","discovery","fingerprint","for","hobo","https","identity","ids","indexed","integration","json","json.","metadata","offline-first","preflight","produces","python","required","skill","stable"],"trust":{"license":"Personal and internal business use. No redistribution or resale without written HOBO Works permission.","compatibility":["Python 3.10+","Windows","macOS","Linux"],"artifact":{"file_name":"HOBO-Agent-Agent-Card-Validator-v1.0.0.zip","available":true,"bytes":2547,"sha256":"a736e8691121e16e05b5a6c28c4847dd712cd90ed4a4634705db5a7905f77313"},"verification":{"status":"artifact-verified","checksum":"sha256-computed","archive_integrity":"passed","test_status":"archive-integrity-checked","checked_at":"2026-11-02T23:06:12+00:00"}},"example_call":{"action":"inspect_product","product_id":"hobo-agent-agent-card-validator-v1","query":"Find a tool for agent-to-agent integration.","input_schema":{"type":"object","properties":{"source":{"type":"string","description":"Local JSON path or public HTTPS card URL"},"command":{"const":"check"}},"required":["source"]},"output_schema":{"type":"object","properties":{"ok":{"type":"boolean"},"findings":{"type":"array"},"sha256":{"type":"string"}}}}}