D grade
protocol-mismatch
20 score
2264 ms
0.0% uptime over 7 measured probes
AS13335 CLOUDFLARENET - Cloudflare, Inc., US · US
https://x402.fiasignals.com/.well-known/x402.json
mcp first seen 2026-09-07 · last seen 2026-09-14 · json
Listed in
| source | name | description | external id |
|---|---|---|---|
| Agenstry | x402.fiasignals.com/.well-known/x402.jso | mcp:x402/x402.fiasignals.com/.well-known/x402.jso |
Same host
a2a × 1 agents-txt × 1 ard × 1 llms-txt × 1 · 1 alive mcp × 3 · 1 alive robots × 1 · 1 alive sigdir × 1 x402 × 2 · 2 alive
Badge
embed:
<a href="https://agentprobe.org/endpoint/149973"><img src="https://agentprobe.org/badge/149973.svg" alt="agentprobe"></a>
Probe history
| probed (UTC) | outcome | score | status | http | ms | version | capabilities | error |
|---|---|---|---|---|---|---|---|---|
| 2026-09-13 14:17 | protocol-mismatch | 20 | 405 | HTTP/1.1 | 2264 | detailsmeta {"final_url":"https://x402.fiasignals.com/.well-known/x402.json","http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 405 on initialize, no SSE | |
| 2026-09-12 13:12 | protocol-mismatch | 20 | 405 | HTTP/1.1 | 1625 | detailsmeta {"final_url":"https://x402.fiasignals.com/.well-known/x402.json","http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 405 on initialize, no SSE | |
| 2026-09-11 12:18 | protocol-mismatch | 20 | 405 | HTTP/1.1 | 2023 | detailsmeta {"final_url":"https://x402.fiasignals.com/.well-known/x402.json","http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 405 on initialize, no SSE | |
| 2026-09-10 11:19 | protocol-mismatch | 20 | 405 | HTTP/1.1 | 1855 | detailsmeta {"final_url":"https://x402.fiasignals.com/.well-known/x402.json","http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 405 on initialize, no SSE | |
| 2026-09-09 11:03 | protocol-mismatch | 20 | 405 | HTTP/1.1 | 6072 | detailsmeta {"final_url":"https://x402.fiasignals.com/.well-known/x402.json","http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 405 on initialize, no SSE | |
| 2026-09-08 12:42 | connect-fail | 532 | detailsmeta {"vantage":"us-east-1"} | h2: Invalid input ConnectionInputs.SEND_SETTINGS in state ConnectionState.CLOSED | ||||
| 2026-09-07 09:21 | protocol-mismatch | 20 | 405 | 9627 | detailsmeta {"final_url":"https://x402.fiasignals.com/.well-known/x402.json","vantage":"us-east-1"} | HTTP 405 on initialize, no SSE |