agentprobe.org
042 ms1,797 ms2026-09-07T03:21:59+00:00 · http-error · 21 ms2026-09-08T08:13:28+00:00 · connect-fail · 1797 ms2026-09-09T09:15:30+00:00 · connect-fail · 961 ms2026-09-09T10:07:27+00:00 · http-error · 1040 ms2026-09-10T11:12:06+00:00 · http-error · 948 ms2026-09-11T12:11:41+00:00 · http-error · 953 ms2026-09-07 03:212026-09-11 12:11042 ms1,797 ms2026-09-07T03:21:59+00:00 · http-error · 21 ms2026-09-08T08:13:28+00:00 · connect-fail · 1797 ms2026-09-09T09:15:30+00:00 · connect-fail · 961 ms2026-09-09T10:07:27+00:00 · http-error · 1040 ms2026-09-10T11:12:06+00:00 · http-error · 948 ms2026-09-11T12:11:41+00:00 · http-error · 953 ms2026-09-07 03:212026-09-11 12:11
probe history, latency (log) over time, glyph = outcome
F grade
http-error
score
953 ms
0.0% uptime over 6 measured probes
AS13335 CLOUDFLARENET - Cloudflare, Inc., US · US

https://curl-http-request.underscoredone.com/.well-known/agent-card.json

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

Listed in

sourcenamedescriptionexternal id
Agenstrycurl-http-request.underscoredone.compaid_api:curl-http-request.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/6670"><img src="https://agentprobe.org/badge/6670.svg" alt="agentprobe"></a>

Probe history

probed (UTC)outcomescorestatushttpmsversioncapabilitieserror
2026-09-11 12:11http-error 404HTTP/1.1953
details

meta

{"card_url":"https://curl-http-request.underscoredone.com/.well-known/agent.json","http_version":"HTTP/1.1","vantage":"us-east-1"}
HTTP 404
2026-09-10 11:12http-error 404HTTP/1.1948
details

meta

{"card_url":"https://curl-http-request.underscoredone.com/.well-known/agent.json","http_version":"HTTP/1.1","vantage":"us-east-1"}
HTTP 404
2026-09-09 10:07http-error 4041040
details

meta

{"card_url":"https://curl-http-request.underscoredone.com/.well-known/agent.json","vantage":"us-east-1"}
HTTP 404
2026-09-09 09:15connect-fail 961
details

meta

{"vantage":"us-east-1"}
WriteError:
2026-09-08 08:13connect-fail 1797
details

meta

{"vantage":"us-east-1"}
LocalProtocolError: Invalid input ConnectionInputs.SEND_HEADERS in state ConnectionState.CLOSED
2026-09-07 03:21http-error 40421
details

meta

{"card_url":"https://curl-http-request.underscoredone.com/.well-known/agent.json"}
HTTP 404