agentprobe.org
044 ms2,011 ms2026-09-07T07:33:43+00:00 · connect-fail · 443 ms2026-09-08T08:15:17+00:00 · connect-fail · 826 ms2026-09-09T09:17:17+00:00 · http-error · 2011 ms2026-09-10T10:07:48+00:00 · http-error · 869 ms2026-09-11T11:10:16+00:00 · http-error · 847 ms2026-09-07 07:332026-09-11 11:10044 ms2,011 ms2026-09-07T07:33:43+00:00 · connect-fail · 443 ms2026-09-08T08:15:17+00:00 · connect-fail · 826 ms2026-09-09T09:17:17+00:00 · http-error · 2011 ms2026-09-10T10:07:48+00:00 · http-error · 869 ms2026-09-11T11:10:16+00:00 · http-error · 847 ms2026-09-07 07:332026-09-11 11:10
probe history, latency (log) over time, glyph = outcome
F grade
http-error
score
847 ms
0.0% uptime over 5 measured probes
AS13335 CLOUDFLARENET - Cloudflare, Inc., US · US

https://qr-code-generator.underscoredone.com/.well-known/agent-card.json

a2a first seen 2026-09-07 · last seen 2026-09-11 · json

Listed in

sourcenamedescriptionexternal id
Agenstryqr-code-generator.underscoredone.compaid_api:qr-code-generator.underscoredone.com

Same host

agents-txt × 1 ard × 1 llms-txt × 1 robots × 1 · 1 alive sigdir × 1 x402 × 1 · 1 alive

Badge

agentprobe grade F

embed:

<a href="https://agentprobe.org/endpoint/9013"><img src="https://agentprobe.org/badge/9013.svg" alt="agentprobe"></a>

Probe history

probed (UTC)outcomescorestatushttpmsversioncapabilitieserror
2026-09-11 11:10http-error 404HTTP/1.1847
details

meta

{"card_url":"https://qr-code-generator.underscoredone.com/.well-known/agent.json","http_version":"HTTP/1.1","vantage":"us-east-1"}
HTTP 404
2026-09-10 10:07http-error 404HTTP/1.1869
details

meta

{"card_url":"https://qr-code-generator.underscoredone.com/.well-known/agent.json","http_version":"HTTP/1.1","vantage":"us-east-1"}
HTTP 404
2026-09-09 09:17http-error 4042011
details

meta

{"card_url":"https://qr-code-generator.underscoredone.com/.well-known/agent.json","vantage":"us-east-1"}
HTTP 404
2026-09-08 08:15connect-fail 826
details

meta

{"vantage":"us-east-1"}
h2: Invalid input ConnectionInputs.SEND_SETTINGS in state ConnectionState.CLOSED
2026-09-07 07:33connect-fail 443
details

meta

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