D grade
card-invalid
30 score
1063 ms
0.2 version
0.0% uptime over 6 measured probes
AS400940 RAILWAY - Railway, US · US
https://xsignal-production.up.railway.app/.well-known/agent-card.json
a2a first seen 2026-09-07 · last seen 2026-09-12 · json
Listed in
| source | name | description | external id |
|---|---|---|---|
| Agenstry | xsignal | a2a_agent:xsignal-production.up.railway.app |
Same host
agents-txt × 1 ard × 1 llms-txt × 1 mcp × 1 · 1 alive robots × 1 sigdir × 1 x402 × 1
Badge
embed:
<a href="https://agentprobe.org/endpoint/10851"><img src="https://agentprobe.org/badge/10851.svg" alt="agentprobe"></a>
Probe history
| probed (UTC) | outcome | score | status | http | ms | version | capabilities | error |
|---|---|---|---|---|---|---|---|---|
| 2026-09-11 12:17 | card-invalid | 30 | 200 | HTTP/1.1 | 1063 | 0.2 | detailscapabilities {"era":"0.3","skills_count":5,"skills":["base-preflight","intent-momentum","token-brief","real-time-signal","token-market-intel"],"streaming":null,"push_notifications":null,"security_schemes":[],"bindings":["JSONRPC"],"signatures":0}meta {"card_url":"https://xsignal-production.up.railway.app/.well-known/agent-card.json","card":{"name":"xsignal","version":null,"provider":null,"documentationUrl":null},"missing_fields":["version","capabilities","defaultInputModes","defaultOutputModes"],"http_version":"HTTP/1.1","vantage":"us-east-1"} | missing ['version', 'capabilities', 'defaultInputModes', 'defaultOutputModes'] |
| 2026-09-10 11:17 | card-invalid | 30 | 200 | HTTP/1.1 | 1108 | 0.2 | detailscapabilities {"era":"0.3","skills_count":5,"skills":["base-preflight","intent-momentum","token-brief","real-time-signal","token-market-intel"],"streaming":null,"push_notifications":null,"security_schemes":[],"bindings":["JSONRPC"],"signatures":0}meta {"card_url":"https://xsignal-production.up.railway.app/.well-known/agent-card.json","card":{"name":"xsignal","version":null,"provider":null,"documentationUrl":null},"missing_fields":["version","capabilities","defaultInputModes","defaultOutputModes"],"http_version":"HTTP/1.1","vantage":"us-east-1"} | missing ['version', 'capabilities', 'defaultInputModes', 'defaultOutputModes'] |
| 2026-09-09 10:16 | card-invalid | 30 | 200 | HTTP/1.1 | 450 | 0.2 | detailscapabilities {"era":"0.3","skills_count":5,"skills":["base-preflight","intent-momentum","token-brief","real-time-signal","token-market-intel"],"streaming":null,"push_notifications":null,"security_schemes":[],"bindings":["JSONRPC"],"signatures":0}meta {"card_url":"https://xsignal-production.up.railway.app/.well-known/agent-card.json","card":{"name":"xsignal","version":null,"provider":null,"documentationUrl":null},"missing_fields":["version","capabilities","defaultInputModes","defaultOutputModes"],"http_version":"HTTP/1.1","vantage":"us-east-1"} | missing ['version', 'capabilities', 'defaultInputModes', 'defaultOutputModes'] |
| 2026-09-09 09:41 | connect-fail | 943 | detailsmeta {"vantage":"us-east-1"} | WriteError: | ||||
| 2026-09-08 08:39 | connect-fail | 800 | detailsmeta {"vantage":"us-east-1"} | WriteError: | ||||
| 2026-09-07 07:40 | connect-fail | 369 | detailsmeta {"vantage":"us-east-1"} | WriteError: |