D grade
card-invalid
40 score
827 ms
0.0% uptime over 2 probes
AS400940 RAILWAY - Railway, US · US
https://useful-data-source-for-agents-production.up.railway.app/
ard first seen 2026-09-07 · last seen 2026-09-08 · json
Same host
a2a × 1 agents-txt × 1 · 1 alive llms-txt × 1 mcp × 1 robots × 1 · 1 alive sigdir × 1 x402 × 1
Badge
embed:
<a href="https://agentprobe.org/endpoint/3903616"><img src="https://agentprobe.org/badge/3903616.svg" alt="agentprobe"></a>
Probe history
| probed (UTC) | outcome | score | status | ms | version | capabilities | error |
|---|---|---|---|---|---|---|---|
| 2026-09-08 12:43 | card-invalid | 40 | 200 | 827 | detailscapabilities {"entry_count":0,"valid_entries":0,"by_type":{},"host":null,"context":false}meta {"catalog_url":"https://useful-data-source-for-agents-production.up.railway.app/.well-known/ard.json","paths_found":["ard.json"],"vantage":"us-east-1"} | specVersion=None; entries missing | |
| 2026-09-07 09:27 | card-invalid | 40 | 200 | 14270 | detailscapabilities {"entry_count":0,"valid_entries":0,"by_type":{},"host":null,"context":false}meta {"catalog_url":"https://useful-data-source-for-agents-production.up.railway.app/.well-known/ard.json","paths_found":["ard.json","ai-catalog.json"],"vantage":"us-east-1"} | specVersion=None; entries missing |