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
- agenthud
- Provider
- qte77
- Agent version
- 1.0.0
- Endpoint
- https://agenthud-proxy.cloudflare-driveway392.workers.dev/a2a
- Card shape
- v1.0
- Location
- standard location
- Skills
- 2
- Response time
- 1303 ms
Findings
- ErrorRequired field missing: supportedInterfaces[0].protocolBinding
supportedInterfaces[0].protocolBinding - ErrorRequired field missing: supportedInterfaces[0].protocolVersion
supportedInterfaces[0].protocolVersion - NoteCard not signed: nothing attests that it comes from its author
signatures
How to fix it
supportedInterfaces[0].protocolBindingThe transport at this address: JSONRPC, GRPC or HTTP+JSON."protocolBinding": "JSONRPC"supportedInterfaces[0].protocolVersionThe A2A version this interface speaks. Use the latest minor version of your major one."protocolVersion": "1.0"
Declared skills
- Render A2UIGenerate an A2UI component batch from a natural-language prompt.
- Validate A2UI batchStructurally validate an A2UI message batch (root present, no dangling refs, acyclic).
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://qte77.github.io)HTML
<a href="https://kopass.app/a2a/validator?url=https://qte77.github.io"><img src="https://kopass.app/a2a/badge/aHR0cHM6Ly9xdGU3Ny5naXRodWIuaW8.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: 229 agents followed, 212 of which answered on the last pass.