agentprobe.org
033 ms1,154 ms2026-09-07T02:51:35+00:00 · http-error · 145 ms2026-09-08T08:13:21+00:00 · connect-fail · 525 ms2026-09-09T09:15:22+00:00 · connect-fail · 826 ms2026-09-09T10:07:15+00:00 · http-error · 1154 ms2026-09-10T11:11:55+00:00 · http-error · 761 ms2026-09-11T12:11:30+00:00 · http-error · 722 ms2026-09-12T13:05:26+00:00 · http-error · 829 ms2026-09-07 02:512026-09-12 13:05033 ms1,154 ms2026-09-07T02:51:35+00:00 · http-error · 145 ms2026-09-08T08:13:21+00:00 · connect-fail · 525 ms2026-09-09T09:15:22+00:00 · connect-fail · 826 ms2026-09-09T10:07:15+00:00 · http-error · 1154 ms2026-09-10T11:11:55+00:00 · http-error · 761 ms2026-09-11T12:11:30+00:00 · http-error · 722 ms2026-09-12T13:05:26+00:00 · http-error · 829 ms2026-09-07 02:512026-09-12 13:05
probe history, latency (log) over time, glyph = outcome
F grade
http-error
— score
829 ms
0.0% uptime over 7 measured probes
AS400940 RAILWAY - Railway, US · US

https://arbitrum-mpp-transaction-preflight-production.up.railway.app/.well-known/agent.json

a2a first seen 2026-09-07 · last seen 2026-09-12 · json

Listed in

sourcenamedescriptionexternal id
AgenstryArbitrum-Mpp-Transaction-Preflight-Productionpaid_api:arbitrum-mpp-transaction-preflight-production.up.ra

Same host

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

Badge

agentprobe grade F

embed:

<a href="https://agentprobe.org/endpoint/6022"><img src="https://agentprobe.org/badge/6022.svg" alt="agentprobe"></a>

Probe history

probed (UTC)outcomescorestatushttpmsversioncapabilitieserror
2026-09-12 13:05http-error 404HTTP/1.1829
details

meta 

{"card_url":"https://arbitrum-mpp-transaction-preflight-production.up.railway.app/.well-known/agent.json","http_version":"HTTP/1.1","vantage":"us-east-1"}
HTTP 404
2026-09-11 12:11http-error 404HTTP/1.1722
details

meta 

{"card_url":"https://arbitrum-mpp-transaction-preflight-production.up.railway.app/.well-known/agent.json","http_version":"HTTP/1.1","vantage":"us-east-1"}
HTTP 404
2026-09-10 11:11http-error 404HTTP/1.1761
details

meta 

{"card_url":"https://arbitrum-mpp-transaction-preflight-production.up.railway.app/.well-known/agent.json","http_version":"HTTP/1.1","vantage":"us-east-1"}
HTTP 404
2026-09-09 10:07http-error 4041154
details

meta 

{"card_url":"https://arbitrum-mpp-transaction-preflight-production.up.railway.app/.well-known/agent.json","vantage":"us-east-1"}
HTTP 404
2026-09-09 09:15connect-fail 826
details

meta 

{"vantage":"us-east-1"}
WriteError:
2026-09-08 08:13connect-fail 525
details

meta 

{"vantage":"us-east-1"}
WriteError:
2026-09-07 02:51http-error 404145
details

meta 

{"card_url":"https://arbitrum-mpp-transaction-preflight-production.up.railway.app/.well-known/agent.json"}
HTTP 404