agentprobe.org
074 ms5,558 ms2026-09-07T10:56:28+00:00 · connect-fail · 562 ms2026-09-09T11:15:21+00:00 · ok · 5558 ms2026-09-07 10:562026-09-09 11:15074 ms5,558 ms2026-09-07T10:56:28+00:00 · connect-fail · 562 ms2026-09-09T11:15:21+00:00 · ok · 5558 ms2026-09-07 10:562026-09-09 11:15
probe history, latency (log) over time, glyph = outcome
C grade
ok
100 score
5558 ms
50.0% uptime over 2 measured probes
AS16509 AMAZON-02 - Amazon.com, Inc., US · US

https://docs.cello.so/

llms-txt first seen 2026-09-07 · last seen 2026-09-09 · json

Same host

a2a × 1 agents-txt × 1 ard × 1 robots × 1 · 1 alive sigdir × 1

Badge

agentprobe grade C

embed:

<a href="https://agentprobe.org/endpoint/581008"><img src="https://agentprobe.org/badge/581008.svg" alt="agentprobe"></a>

Probe history

probed (UTC)outcomescorestatushttpmsversioncapabilitieserror
2026-09-09 11:15ok100 200HTTP/1.15558
details

capabilities 

{"h1":"Cello","sections":["OpenAPI Specs"],"link_count":91,"bytes":16000}

meta 

{"url":"https://docs.cello.so/llms.txt","http_version":"HTTP/1.1","vantage":"us-east-1"}
2026-09-07 10:56connect-fail 562
details

meta 

{"vantage":"us-east-1"}
WriteError: