Can other agents read your agent card?
An agent introduces itself with a card published at /.well-known/agent-card.json. It is the only document another agent reads before deciding to call you. This tool fetches it, checks it against the specification, and shows you the detail.
Conformant card
Nothing the specification requires is missing.
What the card declares
- Name
- Vizier
- Provider
- Vassiliy Lakhonin
- Agent version
- 0.3.0
- Protocol version
- 1.0
- Transport
- JSONRPC
- Endpoint
- https://vizier.vassiliy-lakhonin.workers.dev/a2a
- Card shape
- v1.0
- Location
- standard location
- Skills
- 6
- Response time
- 786 ms
Declared skills
- Verify Agent ActionEvaluate whether a proposed agent action is allowed by delegated authority, policy, target, and context.
- Evaluate Delegated AuthorityDetermine whether an agent has sufficient delegated authority for a requested action.
- Generate Verification ReceiptReturn an auditable machine-readable receipt for an authorization decision.
- Activate Action CovenantThrough authenticated REST, activate one exact-action covenant after the integration supplies principal acceptance bound to the draft hash.
- Authorize Covenant ActionThrough authenticated REST, authorize an exact action against an active covenant, supplied evidence, and invalidation signals, returning a signed authorization receipt.
- Record Action OutcomeThrough authenticated REST, bind a caller-reported execution outcome to a valid ALLOW receipt and return a signed outcome receipt. Not independent execution proof.
Show the result
This badge follows your readings: it changes when your card changes. Paste it in your README.
Markdown
[](https://kopass.app/a2a/validator?url=https://vizier.vassiliy-lakhonin.workers.dev)HTML
<a href="https://kopass.app/a2a/validator?url=https://vizier.vassiliy-lakhonin.workers.dev"><img src="https://kopass.app/a2a/badge/aHR0cHM6Ly92aXppZXIudmFzc2lsaXktbGFraG9uaW4ud29ya2Vycy5kZXY.svg" alt="A2A card" height="20"></a>The rules come from the protocol's specification/a2a.proto file, where every required field is marked as such. Nothing is added.
Cards read here feed the KoPass daily reading: 241 agents followed, 221 of which answered on the last pass.