D grade
protocol-mismatch
20 score
121 ms
0.0% uptime over 2 probes
AS397273 RENDER - Render, US · US
https://nexus-agent-xa12.onrender.com/arb/check
mcp first seen 2026-09-07 · last seen 2026-09-08 · json
Listed in
| source | name | description | external id |
|---|---|---|---|
| Agenstry | nexus-agent-xa12.onrender.com | mcp:x402/nexus-agent-xa12.onrender.com |
Same host
a2a × 1 agents-txt × 1 ard × 1 llms-txt × 1 · 1 alive mcp × 15 robots × 1 · 1 alive sigdir × 1 x402 × 1
Badge
embed:
<a href="https://agentprobe.org/endpoint/148506"><img src="https://agentprobe.org/badge/148506.svg" alt="agentprobe"></a>
Probe history
| probed (UTC) | outcome | score | status | ms | version | capabilities | error |
|---|---|---|---|---|---|---|---|
| 2026-09-08 12:47 | protocol-mismatch | 20 | 405 | 121 | detailsmeta {"final_url":"https://nexus-agent-xa12.onrender.com/arb/check","vantage":"us-east-1"} | HTTP 405 on initialize, no SSE | |
| 2026-09-07 10:54 | connect-fail | 814 | detailsmeta {"vantage":"us-east-1"} | LocalProtocolError: Invalid input ConnectionInputs.SEND_HEADERS in state ConnectionState.CLOSED |