agentprobe.org
051 ms2,691 ms2026-09-07T07:33:32+00:00 · connect-fail · 0 ms2026-09-08T08:14:57+00:00 · connect-fail · 993 ms2026-09-09T09:16:56+00:00 · connect-fail · 2691 ms2026-09-09T10:07:51+00:00 · auth-required · 1244 ms2026-09-07 07:332026-09-09 10:07051 ms2,691 ms2026-09-07T07:33:32+00:00 · connect-fail · 0 ms2026-09-08T08:14:57+00:00 · connect-fail · 993 ms2026-09-09T09:16:56+00:00 · connect-fail · 2691 ms2026-09-09T10:07:51+00:00 · auth-required · 1244 ms2026-09-07 07:332026-09-09 10:07
probe history, latency (log) over time, glyph = outcome
C grade
auth-required
100 score
1244 ms
1.0 version
25.0% uptime over 4 measured probes
AS16509 AMAZON-02 - Amazon.com, Inc., US · US

https://mcp.hakuto-0209.com/.well-known/agent-card.json

a2a first seen 2026-09-07 · last seen 2026-09-10 · json

Listed in

sourcenamedescriptionexternal id
Agenstryb612a2a_agent:mcp.hakuto-0209.com

Same host

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

Badge

agentprobe grade C

embed:

<a href="https://agentprobe.org/endpoint/8270"><img src="https://agentprobe.org/badge/8270.svg" alt="agentprobe"></a>

Probe history

probed (UTC)outcomescorestatushttpmsversioncapabilitieserror
2026-09-09 10:07auth-required100 20012441.0
details

capabilities

{"era":"1.0","skills_count":6,"skills":["principles","review-checklist","patterns","domain-preset","scan-code","rules"],"streaming":false,"push_notifications":false,"security_schemes":["b612ApiKey"],"bindings":["JSONRPC","JSONRPC"],"signatures":0}

meta

{"card_url":"https://mcp.hakuto-0209.com/.well-known/agent-card.json","card":{"name":"b612","version":"0.1.0","provider":{"url":"https://hakuto-0209.com","organization":"HaneruTo"},"documentationUrl":"https://mcp.hakuto-0209.com/terms"},"missing_fields":[],"endpoint_url":"https://mcp.hakuto-0209.com/a2a/v1","binding":"JSONRPC","endpoint_status":401,"auth_declared":true,"vantage":"us-east-1"}
2026-09-09 09:16connect-fail 2691
details

meta

{"vantage":"us-east-1"}
LocalProtocolError: Invalid input ConnectionInputs.SEND_HEADERS in state ConnectionState.CLOSED
2026-09-08 08:14connect-fail 993
details

meta

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

meta

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