{"$schema":"https://wellknown.network/schemas/agent-record-v1.json","schemaVersion":"1","id":"ag_d6ktdmqru59z","handle":"signalry-countersign-by-signalry","url":"https://wellknown.network/agents/signalry-countersign-by-signalry","links":{"self":"https://wellknown.network/agents/signalry-countersign-by-signalry/record.json","html":"https://wellknown.network/agents/signalry-countersign-by-signalry","markdown":"https://wellknown.network/agents/signalry-countersign-by-signalry/record.md","api":"https://wellknown.network/api/v1/agents/signalry-countersign-by-signalry","status":"https://wellknown.network/api/v1/agents/signalry-countersign-by-signalry/status","claim":"https://wellknown.network/agents/signalry-countersign-by-signalry/claim","claimApi":"https://wellknown.network/api/v1/claims","claimDescriptor":"https://wellknown.network/agents/signalry-countersign-by-signalry/claim.json","badge":"https://wellknown.network/agents/signalry-countersign-by-signalry/badge.svg","openapi":"https://wellknown.network/openapi.json","history":"https://wellknown.network/api/v1/agents/signalry-countersign-by-signalry/history","tools":"https://wellknown.network/api/v1/agents/signalry-countersign-by-signalry/tools"},"ard":{"identifier":"urn:air:countersign.signalry.ai:agent:signalry-countersign-by-signalry","type":"application/a2a-agent-card+json"},"kind":"agent","declared":{"name":"Countersign by Signalry","summary":"Countersign by Signalry: re-runs the checks behind an AI agent's done claim; hash-chained receipts. Reached over MCP (https://countersign.signalry.ai/mcp) and a REST API (https://countersign.signalry.ai/openapi.json); it does not serve A2A message methods. Receipts travel inside A2A tasks through t…","description":"Countersign by Signalry: re-runs the checks behind an AI agent's done claim; hash-chained receipts. Reached over MCP (https://countersign.signalry.ai/mcp) and a REST API (https://countersign.signalry.ai/openapi.json); it does not serve A2A message methods. Receipts travel inside A2A tasks through the extension listed under capabilities.","publisher":{"name":"Signalry","url":"https://signalry.ai"},"homepage":"https://countersign.signalry.ai/start","repository":null,"version":"0.1.0","license":null,"protocols":["a2a"],"tags":["verification","receipts","claims","reliance","a2a"],"pricing":null,"endpoints":[{"url":"https://countersign.signalry.ai","type":"a2a","auth":"none","probeable":true}],"skills":[{"id":"submit_claim","name":"File and verify a claim","tags":["verification","receipts","claims"],"description":"Records a claim with public checks (http, dns, tls_cert, github_pr, git_public), runs them, and returns status, evidence tier, counts_as_verified and a receipt URL."},{"id":"get_status","name":"Check a claim","tags":["verification","reliance"],"description":"Returns the current status, counts_as_verified, limits and recent receipts for a claim id; no key needed."},{"id":"verify_a2a_artifact","name":"Check a counterparty's receipt","tags":["a2a","verification"],"description":"Checks a Countersign receipt reference inside an A2A task, message, artifact or part against the live ledger."}],"tools":["File and verify a claim","Check a claim","Check a counterparty's receipt"],"extra":{"inputModes":["application/json"],"outputModes":["application/json","text/html"],"capabilities":{"streaming":false,"pushNotifications":false}},"attribution":{"kind":"a2a_card","name":"a2a_card","summary":"a2a_card","version":"a2a_card","description":"a2a_card","homepageUrl":"a2a_card","publisherUrl":"a2a_card","publisherName":"a2a_card"}},"derived":{"capabilities":[{"slug":"documents.invoice-processing","name":"Invoice Processing","confidence":1,"provenance":"declared"},{"slug":"data.apis","name":"API Access","confidence":0.814,"provenance":"derived"}],"categories":["data","documents"],"language":"en"},"observed":{"status":"live","statusReason":"Responded 19m ago.","lastOkAt":"2026-11-04T20:28:56.690Z","lastProbedAt":"2026-11-04T20:28:56.690Z","statusComputedAt":"2026-11-04T20:31:40.925Z","reliability30d":{"probes":2,"successRate":1,"p50Ms":152,"basis":"service","measures":{"availability":"availability","latency":"response time","tools":"tool surface observed","summary":"Checks reached the service itself."},"checks":{"total":2,"ok":2,"authBoundaryOk":0,"serviceOk":2,"note":"Counted from the observation rows for the window, checks of the server only (HTTP, A2A card, MCP initialize). ok = authBoundaryOk + serviceOk. `probes` is the sum of daily rollups and includes registry checks, so it can differ from `total`."}},"latestObservations":[{"at":"2026-11-04T20:28:56.690Z","kind":"a2a_card","ok":true,"httpStatus":200,"latencyMs":159,"error":null,"detail":{"name":"Countersign by Signalry","signed":false,"version":"0.1.0","cardPath":"/.well-known/agent-card.json","skillCount":3}},{"at":"2026-11-04T12:23:35.750Z","kind":"a2a_card","ok":true,"httpStatus":200,"latencyMs":146,"error":null,"detail":{"name":"Countersign by Signalry","signed":false,"version":"0.1.0","cardPath":"/.well-known/agent-card.json","skillCount":3}}],"tools":null,"package":null,"toolSurface":null,"endpointFacts":[]},"verification":{"claimed":false,"claimedAt":null,"proofs":[]},"provenance":{"sources":[{"source":"a2a_card","key":"https://countersign.signalry.ai/.well-known/agent-card.json","url":"https://countersign.signalry.ai/.well-known/agent-card.json","firstSeenAt":"2026-11-04T10:20:59.726Z","fetchedAt":"2026-11-04T10:20:59.726Z","normalizedAt":"2026-11-04T10:20:59.726Z"}]},"firstSeenAt":"2026-11-04T10:20:59.726Z","updatedAt":"2026-11-04T10:21:28.663Z"}