D grade
protocol-mismatch
10 score
1083 ms
0.0% uptime over 4 measured probes
AS13335 CLOUDFLARENET - Cloudflare, Inc., US · US
https://costable.ai/
agents-txt first seen 2026-09-07 · last seen 2026-09-23 · json
Same host
ard × 1 llms-txt × 1 mcp × 1 · 1 alive robots × 1 · 1 alive sigdir × 1
Badge
embed:
<a href="https://agentprobe.org/endpoint/500429"><img src="https://agentprobe.org/badge/500429.svg" alt="agentprobe"></a>
Probe history
| probed (UTC) | outcome | score | status | http | ms | version | capabilities | error |
|---|---|---|---|---|---|---|---|---|
| 2026-09-23 12:05 | protocol-mismatch | 10 | 200 | HTTP/1.1 | 1083 | detailsmeta {"url":"https://costable.ai/agents.txt","http_version":"HTTP/1.1","vantage":"us-east-1"} | ||
| 2026-09-16 11:03 | protocol-mismatch | 10 | 200 | HTTP/1.1 | 873 | detailsmeta {"url":"https://costable.ai/agents.txt","http_version":"HTTP/1.1","vantage":"us-east-1"} | ||
| 2026-09-09 10:18 | protocol-mismatch | 10 | 200 | HTTP/1.1 | 1070 | detailsmeta {"url":"https://costable.ai/agents.txt","http_version":"HTTP/1.1","vantage":"us-east-1"} | ||
| 2026-09-07 07:38 | connect-fail | detailsmeta {"vantage":"us-east-1"} | ProtocolError: Invalid input ConnectionInputs.SEND_SETTINGS in state ConnectionState.CLOSED |