Card snapshot
echo-agent.mattiapapaccioli.com
·
2026-10-13 17:27:12 UTC
·
74a6203ccce689a25f7a75eb8342e8a69a67eb6b664625f0405cb15b827c26c2
This is a frozen copy of the agent's agent-card.json as we observed it at the timestamp above. We capture a new snapshot every time the card's content hash changes. Useful for: forensic drift analysis, verifying downstream callers see the right version, reproducing routing decisions made historically.
{
"name": "Echo Agent",
"description": "Echoes your messages back. Useful for testing A2A clients and plumbing.",
"supportedInterfaces": [
{
"url": "https://echo-agent.mattiapapaccioli.com",
"protocolBinding": "JSONRPC",
"protocolVersion": "1.0"
},
{
"url": "https://echo-agent.mattiapapaccioli.com",
"protocolBinding": "HTTP+JSON",
"protocolVersion": "1.0"
}
],
"provider": {
"url": "https://mattiapapaccioli.com",
"organization": "Mattia Papaccioli"
},
"version": "0.1.0",
"capabilities": {
"streaming": true
},
"defaultInputModes": [
"text/plain"
],
"defaultOutputModes": [
"text/plain"
],
"skills": [
{
"id": "echo",
"name": "Echo",
"description": "Replies with the text you send, as a single message.",
"tags": [
"test",
"echo"
],
"examples": [
"hello world"
]
},
{
"id": "stream_echo",
"name": "Streaming echo",
"description": "Prefix your message with \"stream:\" to get a task that streams the text back word by word as an artifact.",
"tags": [
"test",
"streaming",
"task"
],
"examples": [
"stream: the quick brown fox"
]
}
]
}