D grade
protocol-mismatch
20 score
723 ms
0.0% uptime over 7 measured probes
AS13335 CLOUDFLARENET - Cloudflare, Inc., US · US
https://x402engine.app/.well-known/agent.json
mcp first seen 2026-09-07 · last seen 2026-09-14 · json
Listed in
| source | name | description | external id |
|---|---|---|---|
| Agenstry | /.well-known/agent.json | mcp:x402//.well-known/agent.json |
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 × 23 · 10 alive
Badge
embed:
<a href="https://agentprobe.org/endpoint/146646"><img src="https://agentprobe.org/badge/146646.svg" alt="agentprobe"></a>
Probe history
| probed (UTC) | outcome | score | status | http | ms | version | capabilities | error |
|---|---|---|---|---|---|---|---|---|
| 2026-09-13 13:02 | protocol-mismatch | 20 | 404 | HTTP/1.1 | 723 | detailsmeta {"final_url":"https://x402engine.app/.well-known/agent.json","http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 404 on initialize, no SSE | |
| 2026-09-12 12:04 | protocol-mismatch | 20 | 404 | HTTP/1.1 | 785 | detailsmeta {"final_url":"https://x402engine.app/.well-known/agent.json","http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 404 on initialize, no SSE | |
| 2026-09-11 11:08 | protocol-mismatch | 20 | 404 | HTTP/1.1 | 1118 | detailsmeta {"final_url":"https://x402engine.app/.well-known/agent.json","http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 404 on initialize, no SSE | |
| 2026-09-10 10:06 | protocol-mismatch | 20 | 404 | HTTP/1.1 | 818 | detailsmeta {"final_url":"https://x402engine.app/.well-known/agent.json","http_version":"HTTP/1.1","vantage":"us-east-1"} | HTTP 404 on initialize, no SSE | |
| 2026-09-09 09:14 | protocol-mismatch | 20 | 404 | 1858 | detailsmeta {"final_url":"https://x402engine.app/.well-known/agent.json","vantage":"us-east-1"} | HTTP 404 on initialize, no SSE | ||
| 2026-09-08 08:12 | protocol-mismatch | 20 | 404 | 1786 | detailsmeta {"final_url":"https://x402engine.app/.well-known/agent.json","vantage":"us-east-1"} | HTTP 404 on initialize, no SSE | ||
| 2026-09-07 07:32 | connect-fail | 700 | detailsmeta {"vantage":"us-east-1"} | WriteError: |