FetchSandbox
A deterministic verification engine for agents. Proves a fix: fails on the old code, passes on new.
endpoint: https://fetchsandbox.com/mcp/v1
registry: io.github.fetchsandbox/mcp
B
recent success 100% (30 probes) ·
MCP handshake OK
· protocol 2025-06-18
TLS valid (52d left) · latency 117.0 ms ·
HTTP 406 · auth open ·
tools 8
manifest c8f9c39375aa94e4
· drift events seen here: 18
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
<a href="https://golemreach.com/trust/s/21271"> <img src="https://golemreach.com/trust/badge/21271.svg" alt="golemreach trust grade"></a>
Recent probes
| time (UTC) | ok | grade | mcp | latency | tls | tools | hash |
|---|---|---|---|---|---|---|---|
| 2026-10-13T04:47:40Z | ✓ | B | ✓ | 117.0 ms | 52d | 8 | c8f9c39375aa94e4 |
| 2026-10-12T22:46:37Z | ✓ | B | ✓ | 123.0 ms | 52d | 8 | c8f9c39375aa94e4 |
| 2026-10-12T16:43:46Z | ✓ | B | ✓ | 103.0 ms | 52d | 8 | c8f9c39375aa94e4 |
| 2026-10-12T10:41:20Z | ✓ | B | ✓ | 75.0 ms | 53d | 8 | 01d2cb6f8dd13963 |
| 2026-10-12T04:31:45Z | ✓ | B | ✓ | 76.0 ms | 53d | 8 | 01d2cb6f8dd13963 |
| 2026-10-11T22:31:05Z | ✓ | B | ✓ | 95.0 ms | 53d | 8 | 01d2cb6f8dd13963 |
| 2026-10-11T16:30:23Z | ✓ | B | ✓ | 83.0 ms | 53d | 8 | 01d2cb6f8dd13963 |
| 2026-10-11T10:28:37Z | ✓ | B | ✓ | 92.0 ms | 54d | 8 | 01d2cb6f8dd13963 |
| 2026-10-11T04:27:00Z | ✓ | B | ✓ | 118.0 ms | 54d | 8 | 8bad143ac9793fd6 |
| 2026-10-10T22:26:02Z | ✓ | B | ✓ | 78.0 ms | 54d | 8 | de9a7032db1a5043 |
| 2026-10-10T16:25:19Z | ✓ | B | ✓ | 140.0 ms | 54d | 8 | de9a7032db1a5043 |
| 2026-10-10T10:24:34Z | ✓ | B | ✓ | 81.0 ms | 55d | 8 | 6df82ec76fc97184 |
| 2026-10-10T04:23:47Z | ✓ | B | ✓ | 121.0 ms | 55d | 7 | ecc7998789ca5437 |
| 2026-10-09T22:22:12Z | ✓ | B | ✓ | 156.0 ms | 55d | 7 | ecc7998789ca5437 |
| 2026-10-09T16:21:44Z | ✓ | B | ✓ | 141.0 ms | 55d | 7 | 35f406fe24255621 |
| 2026-10-09T10:20:17Z | ✓ | B | ✓ | 187.0 ms | 56d | 7 | 35f406fe24255621 |
| 2026-10-09T04:18:39Z | ✓ | B | ✓ | 81.0 ms | 56d | 7 | 35f406fe24255621 |
| 2026-10-08T22:17:43Z | ✓ | B | ✓ | 84.0 ms | 56d | 7 | 35f406fe24255621 |
| 2026-10-08T16:16:08Z | ✓ | B | ✓ | 142.0 ms | 56d | 7 | 35f406fe24255621 |
| 2026-10-08T10:14:25Z | ✓ | B | ✓ | 115.0 ms | 57d | 7 | 35f406fe24255621 |
| 2026-10-08T04:13:54Z | ✓ | B | ✓ | 144.0 ms | 57d | 7 | 35f406fe24255621 |
| 2026-10-07T22:13:09Z | ✓ | B | ✓ | 78.0 ms | 57d | 7 | 35f406fe24255621 |
| 2026-10-07T16:12:12Z | ✓ | B | ✓ | 82.0 ms | 57d | 7 | 35f406fe24255621 |
| 2026-10-07T10:09:52Z | ✓ | B | ✓ | 70.0 ms | 58d | 7 | 35f406fe24255621 |
| 2026-10-07T04:09:08Z | ✓ | B | ✓ | 213.0 ms | 58d | 7 | 35f406fe24255621 |
| 2026-10-06T22:08:13Z | ✓ | B | ✓ | 134.0 ms | 58d | 7 | 35f406fe24255621 |
| 2026-10-06T16:07:28Z | ✓ | B | ✓ | 144.0 ms | 58d | 7 | 59dbf8d30f01cab7 |
| 2026-10-06T10:05:19Z | ✓ | B | ✓ | 81.0 ms | 59d | 7 | 67b03f8cbb53980f |
| 2026-10-06T04:04:54Z | ✓ | B | ✓ | 91.0 ms | 59d | 7 | 85e218db624ec116 |
| 2026-10-05T22:04:16Z | ✓ | B | ✓ | 49.0 ms | 59d | 7 | 5735f4a4e9ea6387 |