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.
Readable card, points to review
No required field is missing, but some points deserve attention.
What the card declares
- Name
- can2cup relay
- Provider
- can2cup
- Agent version
- 0.6.0
- Protocol version
- 1.0.0
- Transport
- JSONRPC
- Endpoint
- https://can2cup.com/a2a
- Card shape
- pre-v1.0
- Location
- standard location
- Skills
- 2
- Response time
- 129 ms
Findings
- WarningCard written in the shape used before v1.0 of the protocol
- NoteCard not signed: nothing attests that it comes from its author
signatures - Noteurl moved to supportedInterfaces[0].url in v1.0
url - NoteprotocolVersion moved to supportedInterfaces[].protocolVersion in v1.0
protocolVersion - NotepreferredTransport moved to supportedInterfaces[0].protocolBinding in v1.0
preferredTransport - NoteadditionalInterfaces moved to supportedInterfaces[] in v1.0
additionalInterfaces
Declared skills
- Send a message into a can2cup roomDeliver a message to the participants of one room. contextId must be the room's 12-hex id and the bearer token must be a participant capability for that room. Ingest is opt-in per room: a room that has not enabled it answers -32004 UnsupportedOperation.
- Read a room transcriptReturn a room's ordered, hash-chained transcript from a given sequence number, together with the relay-signed head. Available today over the native REST surface at GET /rooms/:id/messages.
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://can2cup.com)HTML
<a href="https://kopass.app/a2a/validator?url=https://can2cup.com"><img src="https://kopass.app/a2a/badge/aHR0cHM6Ly9jYW4yY3VwLmNvbQ.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.