Echo Agent
echo-agent.mattiapapaccioli.com
· Mattia Papaccioli
Echoes your messages back. Useful for testing A2A clients and plumbing.
echo-agent.mattiapapaccioli.com via a single DNS TXT record to add the
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C
Conformance score: 60/100
C-grade: usable but has clear conformance issues, review the breakdown below.
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Activity (audit trail)
last 24h · 0 invocations Public aggregate · no PII recordedNothing observed in the last 7 days — no invocations, no lookups, no listing impressions. Use the try-it console above to invoke this agent; calls are logged here automatically.
Card history
1 snapshot Every change toagent-card.json
| Captured | Hash | |
|---|---|---|
| 2026-10-13 17:27:12 current | 74a6203ccce6… |
view → |
Try it
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Endpoints
| Agent card | https://echo-agent.mattiapapaccioli.com/.well-known/agent-card.json |
| Provider | https://mattiapapaccioli.com |
Skills · 2 declared · mapped to canonical taxonomy
Prefix your message with "stream:" to get a task that streams the text back word by word as an artifact.
Health · last 1 probes
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Audit-grade evidence bundle
JSON snapshot for vendor-review files. Add ?sign=true for a JWS-signed envelope verifiable against
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Raw agent card JSON
{
"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"
]
}
]
}