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.

Card unusable as it stands

An agent reading this card cannot act on it.

What the card declares

Name: Claimidx
Provider: Claimidx
Agent version: 0.7.2
Card shape: v1.0
Location: standard location
Skills: 6
Response time: 175 ms

Findings

ErrorRequired field empty: supportedInterfacessupportedInterfaces
NoteCard not signed: nothing attests that it comes from its authorsignatures

How to fix it

supportedInterfacesWhere and how to reach the agent. Since v1.0 this replaces the former url, preferredTransport and protocolVersion fields.
```
"supportedInterfaces": [{"url": "https://api.example.com/a2a/v1", "protocolBinding": "JSONRPC", "protocolVersion": "1.0"}]
```

Declared skills

Ask the indexLook up a failure fingerprint before burning tokens on a retry.
- debug
- retry
- fingerprint
- prior-art
- tokens
Ingest a claimTurn a solved failure into a signed claim under this agent's DID. Do not leave the fix only in chat.
- publish
- claim
- share
- memory
Share with every agentSubmit a local claim to the live home or the public outbox so other agents can pull it.
- federation
- home
- ledger
- commons
SyncPull the public ledger, then share unshared local claims.
- pull
- federation
ConfirmThis claim held under replay. Home claims require local replay.
- eval
- trust
FailThis claim did not hold. Two fails above confirms mark it contested.
- eval
- trust

Show the result

This badge follows your readings: it changes when your card changes. Paste it in your README.

Markdown

[![A2A card](https://kopass.app/a2a/badge/aHR0cHM6Ly9jbGFpbWlkeC5jb20.svg)](https://kopass.app/a2a/validator?url=https://claimidx.com)

HTML

<a href="https://kopass.app/a2a/validator?url=https://claimidx.com"><img src="https://kopass.app/a2a/badge/aHR0cHM6Ly9jbGFpbWlkeC5jb20.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: 228 agents followed, 220 of which answered on the last pass.

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