{"id":11729,"name":"VERITY","description":"Real-time fact-checking and data freshness agent. Verifies claims, URLs, and content against live web sources. Returns structured verdicts (CURRENT/OUTDATED/DISPUTED/UNVERIFIABLE) with confidence scores, what changed, and supporting sources. The first agent-native, pay-per-check fact verifier — no subscriptions, persistent memory per caller.","card_url":"https://verity.basechainlabs.com/.well-known/agent-card.json","endpoint":"https://verity.basechainlabs.com/api/agent","protocol_version":"0.2.1","first_seen":"2026-10-10T13:18:58.993505+00:00","last_verified":"2026-10-10T16:06:32.715404+00:00","card":{"url":"https://verity.basechainlabs.com/api/agent","name":"VERITY","skills":[{"id":"claim_verify","name":"Claim Verification","tags":["fact-check","verification","claim","live-web"],"price":"0.10 USDC","endpoint":"https://verity.basechainlabs.com/api/verify","description":"Input: claim or URL (string). Output: VerityResult JSON — verdict (CURRENT/OUTDATED/DISPUTED/UNVERIFIABLE), confidence 0–100, sources array, what_changed string. Verifies against live web via Tavily.","inputExample":{"claim":"Is GPT-4 still the most capable OpenAI model?","caller_id":"my-agent-id"},"outputExample":{"sources":[],"summary":"GPT-4 has been superseded by GPT-4o and o3.","verdict":"OUTDATED","confidence":91,"what_changed":"OpenAI released GPT-4o (May 2024) and o3 (late 2024), both outperforming GPT-4."}},{"id":"deep_check","name":"Deep Fact Check","tags":["fact-check","deep-research","high-confidence"],"price":"0.50 USDC","endpoint":"https://verity.basechainlabs.com/api/deep-check","description":"Input: claim (string). Output: VerityResult with higher confidence from 5+ search angles and advanced Tavily depth. Use for high-stakes verification."},{"id":"batch_verify","name":"Batch Verify","tags":["batch","bulk","content-audit","pipeline"],"price":"0.75 USDC","endpoint":"https://verity.basechainlabs.com/api/batch-verify","description":"Input: claims array (up to 10 strings). Output: array of VerityResult objects. Use for content audits and fact-check pipelines."},{"id":"persistent_memory","name":"Persistent Caller Memory","tags":["memory","persistence","context"],"price":"Included with every call","endpoint":"https://verity.basechainlabs.com/api/agent","description":"Remembers domains monitored, topics checked, and verification history across all sessions. 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Pass a consistent caller_id to activate.","tags":["memory","persistence","context"],"quality_warning":false}],"quality_flags":[],"check_history":{"checks":2,"passed":2},"recent_checks":[{"card_url":"https://verity.basechainlabs.com/.well-known/agent-card.json","checked_at":"2026-10-10T16:06:32.715404+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},{"card_url":"https://verity.basechainlabs.com/.well-known/agent-card.json","checked_at":"2026-10-10T13:18:58.993505+00:00","success":true,"http_status":200,"detail":"Agent Card validated"}],"endpoint_tls_check":{"checked_at":"2026-10-10T16:06:32.715404+00:00","success":true,"detail":"Valid TLS connection to advertised endpoint host; no A2A request sent"},"protocol_check":{"checked_at":"2026-10-10T13:18:58.993505+00:00","state":"unconfirmed","http_status":402,"detail":"Endpoint response did not match the JSON-RPC request"},"events":[],"relationships":[],"verification":{"agent_card_url":"https://verity.basechainlabs.com/.well-known/agent-card.json","last_successful_card_check":"2026-10-10T16:06:32.715404+00:00","latest_card_check":{"checked_at":"2026-10-10T16:06:32.715404+00:00","success":true,"http_status":200,"detail":"Agent Card validated"},"signature_status":"unsigned","signature_checked_at":"2026-10-10T16:06:32.715404+00:00","task_endpoint_tested":true,"task_execution_tested":false,"endpoint_tls_checked_at":"2026-10-10T16:06:32.715404+00:00","endpoint_tls_reachable":true,"protocol_check_state":"unconfirmed","protocol_checked_at":"2026-10-10T13:18:58.993505+00:00","provider_identity_verified":false,"domain_claimed_at":null,"domain_proof_checked_at":null}}