Invoice Preflight x402 MCP
Checks UBL invoices against purchase details and recalculates totals. $0.05 USDC per call on Base.
endpoint: https://mcp.dropenginehq.com/api/paid-mcp
registry: io.github.Ahmet11159/invoice-preflight
B
recent success 100% (30 probes) ·
MCP handshake OK
· protocol 2025-06-18
TLS valid (70d left) · latency 167.0 ms ·
HTTP 405 · auth open ·
tools 24
manifest f11e87c8155cd332
· drift events seen here: 11
Heuristic flags
- exfiltration-verb — tool text pairs send/upload verbs with credential-like nouns
Flags are pattern matches on public tool descriptions, not verdicts. Read them as questions to ask the vendor.
Embed this grade
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Recent probes
| time (UTC) | ok | grade | mcp | latency | tls | tools | hash |
|---|---|---|---|---|---|---|---|
| 2026-10-13T04:50:50Z | ✓ | B | ✓ | 167.0 ms | 70d | 24 | f11e87c8155cd332 |
| 2026-10-12T22:49:44Z | ✓ | B | ✓ | 134.0 ms | 70d | 24 | f11e87c8155cd332 |
| 2026-10-12T16:48:04Z | ✓ | B | ✓ | 130.0 ms | 71d | 24 | f11e87c8155cd332 |
| 2026-10-12T10:44:25Z | ✓ | B | ✓ | 169.0 ms | 71d | 24 | f11e87c8155cd332 |
| 2026-10-12T04:37:27Z | ✓ | B | ✓ | 151.0 ms | 71d | 24 | f11e87c8155cd332 |
| 2026-10-11T22:36:37Z | ✓ | B | ✓ | 134.0 ms | 71d | 24 | f11e87c8155cd332 |
| 2026-10-11T16:34:51Z | ✓ | B | ✓ | 227.0 ms | 72d | 24 | f11e87c8155cd332 |
| 2026-10-11T10:32:57Z | ✓ | B | ✓ | 163.0 ms | 72d | 24 | f11e87c8155cd332 |
| 2026-10-11T04:30:33Z | ✓ | B | ✓ | 180.0 ms | 72d | 24 | f11e87c8155cd332 |
| 2026-10-10T22:29:50Z | ✓ | B | ✓ | 221.0 ms | 72d | 24 | f11e87c8155cd332 |
| 2026-10-10T16:29:16Z | ✓ | A | ✓ | 149.0 ms | 73d | 21 | c9f3fccf390e855f |
| 2026-10-10T10:28:05Z | ✓ | A | ✓ | 102.0 ms | 73d | 21 | c9f3fccf390e855f |
| 2026-10-10T04:27:19Z | ✓ | A | ✓ | 127.0 ms | 73d | 21 | c9f3fccf390e855f |
| 2026-10-09T22:26:17Z | ✓ | A | ✓ | 90.0 ms | 73d | 21 | c9f3fccf390e855f |
| 2026-10-09T16:25:42Z | ✓ | A | ✓ | 185.0 ms | 74d | 21 | c9f3fccf390e855f |
| 2026-10-09T10:24:58Z | ✓ | A | ✓ | 125.0 ms | 74d | 20 | 971b8b789ad1e668 |
| 2026-10-09T04:22:17Z | ✓ | A | ✓ | 280.0 ms | 74d | 20 | 971b8b789ad1e668 |
| 2026-10-08T22:21:23Z | ✓ | A | ✓ | 149.0 ms | 74d | 20 | 971b8b789ad1e668 |
| 2026-10-08T16:20:27Z | ✓ | A | ✓ | 283.0 ms | 75d | 20 | b2daf72111c2eeae |
| 2026-10-08T10:18:48Z | ✓ | A | ✓ | 195.0 ms | 75d | 19 | 23595e1b532e78ac |
| 2026-10-08T04:18:14Z | ✓ | A | ✓ | 230.0 ms | 75d | 19 | 23595e1b532e78ac |
| 2026-10-07T22:17:09Z | ✓ | A | ✓ | 310.0 ms | 75d | 19 | 23595e1b532e78ac |
| 2026-10-07T16:16:22Z | ✓ | A | ✓ | 173.0 ms | 76d | 19 | 23595e1b532e78ac |
| 2026-10-07T10:14:28Z | ✓ | A | ✓ | 153.0 ms | 76d | 19 | 23595e1b532e78ac |
| 2026-10-07T04:14:04Z | ✓ | A | ✓ | 345.0 ms | 76d | 19 | 23595e1b532e78ac |
| 2026-10-06T22:13:08Z | ✓ | A | ✓ | 108.0 ms | 76d | 19 | 23595e1b532e78ac |
| 2026-10-06T16:12:46Z | ✓ | A | ✓ | 120.0 ms | 77d | 19 | 23595e1b532e78ac |
| 2026-10-06T10:11:29Z | ✓ | A | ✓ | 275.0 ms | 77d | 19 | 23595e1b532e78ac |
| 2026-10-06T04:10:22Z | ✓ | A | ✓ | 312.0 ms | 77d | 19 | 23595e1b532e78ac |
| 2026-10-05T22:09:22Z | ✓ | A | ✓ | 223.0 ms | 77d | 19 | 23595e1b532e78ac |