D grade
card-invalid
20 score
440 ms
0.0% uptime over 5 measured probes
AS16509 AMAZON-02 - Amazon.com, Inc., US · US
https://www.promptster.dev/
ard first seen 2026-09-07 · last seen 2026-09-11 · json
Same host
a2a × 1 agents-txt × 1 llms-txt × 1 · 1 alive mcp × 1 · 1 alive robots × 1 · 1 alive sigdir × 1
Badge
embed:
<a href="https://agentprobe.org/endpoint/3905339"><img src="https://agentprobe.org/badge/3905339.svg" alt="agentprobe"></a>
Probe history
| probed (UTC) | outcome | score | status | http | ms | version | capabilities | error |
|---|---|---|---|---|---|---|---|---|
| 2026-09-11 15:01 | card-invalid | 20 | 200 | HTTP/1.1 | 440 | detailsmeta {"catalog_url":"https://www.promptster.dev/.well-known/ard.json","paths_found":["ard.json","ai-catalog.json"],"http_version":"HTTP/1.1","vantage":"us-east-1"} | not a JSON object | |
| 2026-09-10 14:02 | card-invalid | 20 | 200 | HTTP/1.1 | 481 | detailsmeta {"catalog_url":"https://www.promptster.dev/.well-known/ard.json","paths_found":["ard.json","ai-catalog.json"],"http_version":"HTTP/1.1","vantage":"us-east-1"} | not a JSON object | |
| 2026-09-09 13:16 | card-invalid | 20 | 200 | HTTP/1.1 | 301 | detailsmeta {"catalog_url":"https://www.promptster.dev/.well-known/ard.json","paths_found":["ard.json","ai-catalog.json"],"http_version":"HTTP/1.1","vantage":"us-east-1"} | not a JSON object | |
| 2026-09-08 12:43 | card-invalid | 20 | 200 | 1500 | detailsmeta {"catalog_url":"https://www.promptster.dev/.well-known/ard.json","paths_found":["ard.json","ai-catalog.json"],"vantage":"us-east-1"} | not a JSON object | ||
| 2026-09-07 09:27 | card-invalid | 20 | 200 | 7167 | detailsmeta {"catalog_url":"https://www.promptster.dev/.well-known/ard.json","paths_found":["ard.json","ai-catalog.json"],"vantage":"us-east-1"} | not a JSON object |