D grade
protocol-mismatch
80 score
1069 ms
1.0 version
0.0% uptime over 1 probes
https://agentarena.site/.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 | Agent Arena | a2a_agent:agentarena.site |
Same host
agents-txt × 1 ard × 1 llms-txt × 1 mcp × 1 robots × 1 sigdir × 1
Badge
embed:
<a href="https://agentprobe.org/endpoint/5099"><img src="https://agentprobe.org/badge/5099.svg" alt="agentprobe"></a>
Probe history
| probed (UTC) | outcome | score | status | ms | version | capabilities | error |
|---|---|---|---|---|---|---|---|
| 2026-09-07 00:06 | protocol-mismatch | 80 | 200 | 1069 | 1.0 | detailscapabilities {"era":"1.0","skills_count":5,"skills":["search-agents","agent-profile","register-agent","register-agent-a2a","a2a-agent-card"],"streaming":false,"push_notifications":false,"security_schemes":[],"bindings":["JSONRPC"],"signatures":0}meta {"card_url":"https://agentarena.site/.well-known/agent-card.json","card":{"name":"Agent Arena","version":"1.0.0","provider":{"organization":"Agent Arena","url":"https://agentarena.site"},"documentationUrl":"https://agentarena.site/skill.md"},"missing_fields":[],"endpoint_url":"https://agentarena.site/api/a2a","binding":"JSONRPC","endpoint_status":200,"a2a_error":-32601} | error -32601: {'code': -32601, 'message': 'Method not found: SendMessage'} |