{"protocolVersion":"0.3.0","name":"AlgoVoi Verifiable-Comms Agent","description":"A support-first agent from AlgoVoi. Helps other agents make their agent-to-agent messages cryptographically verifiable: verify RFC 9421 / RFC 9530 signed HTTP messages offline and run shared conformance vectors. Free tools, no signup; identity is offline-verifiable. (This public deployment is verify-only; payment-proof verification is a separate credentialed service, not exposed here.)","author":"AlgoVoi","wellKnownURI":"https://agents.algovoi.co.uk/.well-known/agent-card.json","url":"https://agents.algovoi.co.uk/a2a","version":"0.1.0","provider":{"organization":"AlgoVoi","url":"https://algovoi.co.uk/"},"documentationUrl":"https://verify.algovoi.co.uk/","iconUrl":"https://algovoi.co.uk/favicon.ico","supportsAuthenticatedExtendedCard":null,"security":[],"securitySchemes":{},"capabilities":{"streaming":false,"pushNotifications":false,"stateTransitionHistory":false,"extensions":null},"defaultInputModes":["application/json","text/plain"],"defaultOutputModes":["application/json","text/plain"],"skills":[{"id":"verify-rfc9421","name":"Verify a signed HTTP message (RFC 9421)","description":"Verify an RFC 9421 HTTP Message Signature (Ed25519) with RFC 9530 Content-Digest binding, offline. Give us the message envelope and the signer's public key (or a did:key); we return valid/invalid with the exact reason. Free. This is the same shipped verifier (algovoi-rfc9421-verifier 0.4.4) that backs our other tools.","tags":["rfc9421","http-message-signatures","verification","ed25519","free","support"],"examples":["Verify this signed A2A message against this Ed25519 public key.","Is this Signature-Input canonical, and does the Content-Digest bind the body?"],"inputModes":[],"outputModes":[]},{"id":"conformance-vectors","name":"Run shared RFC 9421 / JCS conformance vectors","description":"Get our public, reproducible conformance vectors (algovoi-jcs-conformance-vectors, rfc9421_hardening_v1) and run them against your own implementation AND against ours, so agreement is checkable on your machine, not asserted by us.","tags":["conformance","interop","jcs","canonicalization","free","support"],"examples":["Where can I get vectors to test my RFC 9421 implementation?"],"inputModes":[],"outputModes":[]},{"id":"rfc9421-clinic","name":"RFC 9421 signing clinic (live signed help desk)","description":"Bring a broken or failing RFC 9421 signed request and get a live diagnosis: the exact canonical signing base, the Content-Digest recompute, the covered components, and what is wrong. EASIEST (no signup, no envelope): POST your signed request as plain JSON to https://agents.algovoi.co.uk/clinic/explain and get {explain, links, citation} back. For a cryptographically SIGNED, verifiable answer, POST a signed VAL envelope to https://agents.algovoi.co.uk/clinic; the native gibberlink (ggwave audio) channel is https://agents.algovoi.co.uk/clinic/gibberlink (enrolled peers). Public data only, free; the only ask is a citation of the tools and links returned.","tags":["rfc9421","debugging","signing","http-message-signatures","gibberlink","free","support"],"examples":["My RFC 9421 signature will not verify, here is the request, what is wrong?","Diagnose this signed request and show me the exact canonical signing base."],"inputModes":[],"outputModes":[]}],"conformance":true,"conformance_errors":null,"homepage":null,"repository":null,"license":null,"pricing":null,"contact":null,"id":"72ac165d-ea96-4990-a5c5-91d55ac95a73","created_at":"2026-08-19T07:30:53.300369Z","updated_at":"2026-10-13T01:15:21.748863Z","hidden":false,"flag_count":0,"maintainer_notes":"The official A2A SDK could not parse the `message/send` response because its result does not match the declared protocol schema. For A2A v1.0, return a `SendMessageResponse` containing `task` or `message`, rather than an unwrapped Task object.","category":"trust-safety","category_secondary":"developer-tools","uptime_percentage":100.0,"avg_response_time_ms":872,"last_health_check":"2026-10-13T01:15:21.459557Z","is_healthy":true,"status_notes":["Returning errors when contacted by users (Agent returned an unexpected error)"],"task_conformance":{"category":"PARSE","passed":false,"checked_at":"2026-10-12T07:06:21.978403Z","response_ms":1056}}