D grade
protocol-mismatch
80 score
169 ms
1.0 version
0.0% uptime over 1 probes
https://a2a-artifact-handoff.onrender.com/.well-known/agent-card.json
a2a first seen 2026-09-07 · last seen 2026-09-07 · json
Listed in
| source | name | description | external id |
|---|---|---|---|
| Agenstry | Artifact Handoff Agent | paid_api:a2a-artifact-handoff.onrender.com |
Same host
agents-txt × 1 ard × 1 llms-txt × 1 mcp × 1 robots × 1 sigdir × 1
Badge
embed: <a href="https://agentprobe.org/endpoint/4892"><img src="https://agentprobe.org/badge/4892.svg" alt="agentprobe"></a>
Probe history
| probed (UTC) | outcome | score | status | ms | version | capabilities | error |
|---|---|---|---|---|---|---|---|
| 2026-09-07T00:05:53+00:00 | protocol-mismatch | 80 | 200 | 169 | 1.0 | show{"era":"1.0","skills_count":3,"skills":["prepare-artifact-handoff","compile-contract-handoff","inspect-contract-handoff"],"streaming":false,"push_notifications":false,"security_schemes":[],"bindings":["HTTP+JSON"],"signatures":0}{"card_url":"https://a2a-artifact-handoff.onrender.com/.well-known/agent-card.json","card":{"name":"Artifact Handoff Agent","version":"0.6.0","provider":null,"documentationUrl":null},"missing_fields":[],"endpoint_url":"https://a2a-artifact-handoff.onrender.com/","binding":"HTTP+JSON","endpoint_status":402} | interface HTTP 402, no A2A envelope |