D grade
card-invalid
30 score
922 ms
0.0% uptime over 5 measured probes
AS13335 CLOUDFLARENET - Cloudflare, Inc., US · US
https://underscoredone.com/.well-known/agent.json
a2a first seen 2026-09-07 · last seen 2026-09-11 · json
Listed in
| source | name | description | external id |
|---|---|---|---|
| Agenstry | Underscoredone | paid_api:underscoredone.com |
Same host
agents-txt × 1 ard × 1 llms-txt × 1 · 1 alive mcp × 1 robots × 1 · 1 alive sigdir × 1
Badge
embed:
<a href="https://agentprobe.org/endpoint/10012"><img src="https://agentprobe.org/badge/10012.svg" alt="agentprobe"></a>
Probe history
| probed (UTC) | outcome | score | status | http | ms | version | capabilities | error |
|---|---|---|---|---|---|---|---|---|
| 2026-09-11 11:10 | card-invalid | 30 | 200 | HTTP/1.1 | 922 | detailsmeta {"card_url":"https://underscoredone.com/.well-known/agent.json","http_version":"HTTP/1.1","vantage":"us-east-1"} | neither supportedInterfaces nor url | |
| 2026-09-10 10:08 | card-invalid | 30 | 200 | HTTP/1.1 | 1009 | detailsmeta {"card_url":"https://underscoredone.com/.well-known/agent.json","http_version":"HTTP/1.1","vantage":"us-east-1"} | neither supportedInterfaces nor url | |
| 2026-09-09 09:46 | card-invalid | 30 | 200 | 2582 | detailsmeta {"card_url":"https://underscoredone.com/.well-known/agent.json","vantage":"us-east-1"} | neither supportedInterfaces nor url | ||
| 2026-09-08 08:44 | connect-fail | 1669 | detailsmeta {"vantage":"us-east-1"} | WriteError: | ||||
| 2026-09-07 07:40 | card-invalid | 30 | 200 | 1669 | detailsmeta {"card_url":"https://underscoredone.com/.well-known/agent.json","vantage":"us-east-1"} | neither supportedInterfaces nor url |