D grade
card-invalid
20 score
2115 ms
0.0% uptime over 12 measured probes
AS13335 CLOUDFLARENET - Cloudflare, Inc., US · US
https://calc.engineer/
ard first seen 2026-09-07 · last seen 2026-09-19 · json
Same host
agents-txt × 1 llms-txt × 1 · 1 alive mcp × 1 robots × 1 · 1 alive sigdir × 1
Badge
embed:
<a href="https://agentprobe.org/endpoint/3861563"><img src="https://agentprobe.org/badge/3861563.svg" alt="agentprobe"></a>
Probe history
| probed (UTC) | outcome | score | status | http | ms | version | capabilities | error |
|---|---|---|---|---|---|---|---|---|
| 2026-09-18 18:28 | card-invalid | 20 | 200 | HTTP/1.1 | 2115 | detailsmeta {"catalog_url":"https://calc.engineer/.well-known/ard.json","paths_found":["ard.json","ai-catalog.json"],"http_version":"HTTP/1.1","vantage":"us-east-1"} | not a JSON object | |
| 2026-09-17 17:25 | card-invalid | 20 | 200 | HTTP/1.1 | 2333 | detailsmeta {"catalog_url":"https://calc.engineer/.well-known/ard.json","paths_found":["ard.json","ai-catalog.json"],"http_version":"HTTP/1.1","vantage":"us-east-1"} | not a JSON object | |
| 2026-09-16 16:29 | card-invalid | 20 | 200 | HTTP/1.1 | 2120 | detailsmeta {"catalog_url":"https://calc.engineer/.well-known/ard.json","paths_found":["ard.json","ai-catalog.json"],"http_version":"HTTP/1.1","vantage":"us-east-1"} | not a JSON object | |
| 2026-09-15 15:28 | card-invalid | 20 | 200 | HTTP/1.1 | 2372 | detailsmeta {"catalog_url":"https://calc.engineer/.well-known/ard.json","paths_found":["ard.json","ai-catalog.json"],"http_version":"HTTP/1.1","vantage":"us-east-1"} | not a JSON object | |
| 2026-09-14 14:37 | card-invalid | 20 | 200 | HTTP/1.1 | 2199 | detailsmeta {"catalog_url":"https://calc.engineer/.well-known/ard.json","paths_found":["ard.json","ai-catalog.json"],"http_version":"HTTP/1.1","vantage":"us-east-1"} | not a JSON object | |
| 2026-09-13 13:06 | card-invalid | 20 | 200 | HTTP/1.1 | 1375 | detailsmeta {"catalog_url":"https://calc.engineer/.well-known/ard.json","paths_found":["ard.json","ai-catalog.json"],"http_version":"HTTP/1.1","vantage":"us-east-1"} | not a JSON object | |
| 2026-09-12 12:08 | card-invalid | 20 | 200 | HTTP/1.1 | 1226 | detailsmeta {"catalog_url":"https://calc.engineer/.well-known/ard.json","paths_found":["ard.json","ai-catalog.json"],"http_version":"HTTP/1.1","vantage":"us-east-1"} | not a JSON object | |
| 2026-09-11 11:13 | card-invalid | 20 | 200 | HTTP/1.1 | 1476 | detailsmeta {"catalog_url":"https://calc.engineer/.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 10:10 | card-invalid | 20 | 200 | HTTP/1.1 | 1529 | detailsmeta {"catalog_url":"https://calc.engineer/.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 09:23 | card-invalid | 20 | 200 | 4197 | detailsmeta {"catalog_url":"https://calc.engineer/.well-known/ard.json","paths_found":["ard.json"],"vantage":"us-east-1"} | not a JSON object | ||
| 2026-09-08 08:21 | card-invalid | 20 | 200 | 2675 | detailsmeta {"catalog_url":"https://calc.engineer/.well-known/ard.json","paths_found":["ard.json","ai-catalog.json"],"vantage":"us-east-1"} | not a JSON object | ||
| 2026-09-07 05:12 | card-invalid | 20 | 200 | 205 | detailsmeta {"catalog_url":"https://calc.engineer/.well-known/ard.json","paths_found":["ard.json","ai-catalog.json"]} | not a JSON object |