F grade
http-error
— score
2230 ms
0.0% uptime over 16 measured probes
AS13335 CLOUDFLARENET - Cloudflare, Inc., US · US
https://chartlibrary.io/
ard first seen 2026-09-07 · last seen 2026-09-22 · json
Same host
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/3861935"><img src="https://agentprobe.org/badge/3861935.svg" alt="agentprobe"></a>
Probe history
| probed (UTC) | outcome | score | status | http | ms | version | capabilities | error |
|---|---|---|---|---|---|---|---|---|
| 2026-09-22 22:22 | http-error | 404 | HTTP/1.1 | 2230 | detailsmeta {"http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 404 | ||
| 2026-09-21 21:20 | card-invalid | 20 | 200 | HTTP/1.1 | 1753 | detailsmeta {"catalog_url":"https://chartlibrary.io/.well-known/ard.json","paths_found":["ard.json","ai-catalog.json"],"http_version":"HTTP/1.1","vantage":"us-east-1"} | not a JSON object | |
| 2026-09-20 20:22 | card-invalid | 20 | 200 | HTTP/1.1 | 2055 | detailsmeta {"catalog_url":"https://chartlibrary.io/.well-known/ard.json","paths_found":["ard.json","ai-catalog.json"],"http_version":"HTTP/1.1","vantage":"us-east-1"} | not a JSON object | |
| 2026-09-19 19:26 | card-invalid | 20 | 200 | HTTP/1.1 | 1891 | detailsmeta {"catalog_url":"https://chartlibrary.io/.well-known/ard.json","paths_found":["ard.json","ai-catalog.json"],"http_version":"HTTP/1.1","vantage":"us-east-1"} | not a JSON object | |
| 2026-09-18 18:28 | card-invalid | 20 | 200 | HTTP/1.1 | 1524 | detailsmeta {"catalog_url":"https://chartlibrary.io/.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 | 1772 | detailsmeta {"catalog_url":"https://chartlibrary.io/.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 | 1521 | detailsmeta {"catalog_url":"https://chartlibrary.io/.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 | 1675 | detailsmeta {"catalog_url":"https://chartlibrary.io/.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 | 1366 | detailsmeta {"catalog_url":"https://chartlibrary.io/.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 | 724 | detailsmeta {"catalog_url":"https://chartlibrary.io/.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 | 1147 | detailsmeta {"catalog_url":"https://chartlibrary.io/.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 | 1065 | detailsmeta {"catalog_url":"https://chartlibrary.io/.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 10:11 | card-invalid | 20 | 200 | HTTP/1.1 | 1095 | detailsmeta {"catalog_url":"https://chartlibrary.io/.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 09:24 | card-invalid | 20 | 200 | 3362 | detailsmeta {"catalog_url":"https://chartlibrary.io/.well-known/ard.json","paths_found":["ard.json"],"vantage":"us-east-1"} | not a JSON object | ||
| 2026-09-08 08:22 | card-invalid | 20 | 200 | 2112 | detailsmeta {"catalog_url":"https://chartlibrary.io/.well-known/ai-catalog.json","paths_found":["ai-catalog.json"],"vantage":"us-east-1"} | not a JSON object | ||
| 2026-09-07 06:37 | card-invalid | 20 | 200 | 30 | detailsmeta {"catalog_url":"https://chartlibrary.io/.well-known/ard.json","paths_found":["ard.json","ai-catalog.json"]} | not a JSON object |