agentprobe.org
039 ms1,576 ms2026-09-07T10:51:10+00:00 · connect-fail · 1576 ms2026-09-09T10:21:29+00:00 · protocol-mismatch · 1131 ms2026-09-07 10:512026-09-09 10:21039 ms1,576 ms2026-09-07T10:51:10+00:00 · connect-fail · 1576 ms2026-09-09T10:21:29+00:00 · protocol-mismatch · 1131 ms2026-09-07 10:512026-09-09 10:21
probe history, latency (log) over time, glyph = outcome
D grade
protocol-mismatch
10 score
1131 ms
0.0% uptime over 2 measured probes
AS16509 AMAZON-02 - Amazon.com, Inc., US · US

https://www.promptster.dev/

agents-txt first seen 2026-09-07 · last seen 2026-09-12 · json

Same host

a2a × 1 ard × 1 llms-txt × 1 · 1 alive mcp × 1 · 1 alive robots × 1 · 1 alive sigdir × 1

Badge

agentprobe grade D

embed:

<a href="https://agentprobe.org/endpoint/3207636"><img src="https://agentprobe.org/badge/3207636.svg" alt="agentprobe"></a>

Probe history

probed (UTC)outcomescorestatushttpmsversioncapabilitieserror
2026-09-09 10:21protocol-mismatch10 200HTTP/1.11131
details

meta 

{"url":"https://www.promptster.dev/agents.txt","http_version":"HTTP/1.1","vantage":"us-east-1"}
2026-09-07 10:51connect-fail 1576
details

meta 

{"vantage":"us-east-1"}
LocalProtocolError: Invalid input ConnectionInputs.SEND_HEADERS in state ConnectionState.CLOSED