D grade
protocol-mismatch
80 score
213 ms
0.2 version
0.0% uptime over 1 probes
https://agents-txt.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 | agents.txt Reference Agent | a2a_agent:agents-txt.com |
Same host
agents-txt × 1 ard × 1 llms-txt × 1 robots × 1 sigdir × 1 x402 × 1
Badge
embed:
<a href="https://agentprobe.org/endpoint/5188"><img src="https://agentprobe.org/badge/5188.svg" alt="agentprobe"></a>
Probe history
| probed (UTC) | outcome | score | status | ms | version | capabilities | error |
|---|---|---|---|---|---|---|---|
| 2026-09-07 00:05 | protocol-mismatch | 80 | 200 | 213 | 0.2 | detailscapabilities {"era":"0.3","skills_count":4,"skills":["explain_directive","validate_agents_files","explain_payment_protocol","summarize_capabilities"],"streaming":false,"push_notifications":false,"security_schemes":[],"bindings":["JSONRPC"],"signatures":0}meta {"card_url":"https://agents-txt.com/.well-known/agent-card.json","card":{"name":"agents.txt Reference Agent","version":"1.0.0","provider":{"organization":"agents.txt contributors","url":"https://agents-txt.com"},"documentationUrl":"https://agents-txt.com/spec"},"missing_fields":[],"endpoint_url":"https://agents-txt.com/a2a","binding":"JSONRPC","endpoint_status":404} | interface HTTP 404 |