Castle MCP by usefulapi
Investigate security events and manage the allow/deny lists an analyst acts on.
endpoint: https://castle.usefulapi.io/mcp
registry: io.usefulapi/castle
A
recent success 67% (30 probes) ·
MCP handshake OK
· protocol 2025-06-18
TLS valid (60d left) · latency 60.0 ms ·
HTTP 401 · auth open ·
tools 14
manifest 73746e3dfccc87e0
· drift events seen here: 0
Embed this grade
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Recent probes
| time (UTC) | ok | grade | mcp | latency | tls | tools | hash |
|---|---|---|---|---|---|---|---|
| 2026-10-12T11:47:35Z | ✓ | A | ✓ | 60.0 ms | 60d | 14 | 73746e3dfccc87e0 |
| 2026-10-12T05:47:00Z | ✓ | A | ✓ | 61.0 ms | 61d | 14 | 73746e3dfccc87e0 |
| 2026-10-11T23:45:27Z | ✓ | A | ✓ | 56.0 ms | 61d | 14 | 73746e3dfccc87e0 |
| 2026-10-11T17:44:57Z | ✓ | A | ✓ | 78.0 ms | 61d | 14 | 73746e3dfccc87e0 |
| 2026-10-11T11:43:40Z | ✓ | A | ✓ | 82.0 ms | 61d | 14 | 73746e3dfccc87e0 |
| 2026-10-11T05:43:07Z | ✓ | A | ✓ | 71.0 ms | 62d | 14 | 73746e3dfccc87e0 |
| 2026-10-10T23:41:16Z | ✓ | A | ✓ | 56.0 ms | 62d | 14 | 73746e3dfccc87e0 |
| 2026-10-10T17:40:02Z | ✓ | A | ✓ | 85.0 ms | 62d | 14 | 73746e3dfccc87e0 |
| 2026-10-10T11:39:18Z | ✓ | A | ✓ | 54.0 ms | 62d | 14 | 73746e3dfccc87e0 |
| 2026-10-10T05:37:56Z | ✓ | A | ✓ | 67.0 ms | 63d | 14 | 73746e3dfccc87e0 |
| 2026-10-09T23:36:26Z | ✓ | A | ✓ | 58.0 ms | 63d | 14 | 73746e3dfccc87e0 |
| 2026-10-09T17:36:05Z | ✓ | A | ✓ | 77.0 ms | 63d | 14 | 73746e3dfccc87e0 |
| 2026-10-09T11:34:43Z | ✓ | A | ✓ | 62.0 ms | 63d | 14 | 73746e3dfccc87e0 |
| 2026-10-09T05:33:45Z | ✓ | A | ✓ | 125.0 ms | 64d | 14 | 73746e3dfccc87e0 |
| 2026-10-08T23:31:51Z | ✓ | A | ✓ | 71.0 ms | 64d | 14 | 73746e3dfccc87e0 |
| 2026-10-08T17:30:46Z | ✓ | A | ✓ | 159.0 ms | 64d | — | — |
| 2026-10-08T11:29:50Z | ✗ | D | ✗ | 92.0 ms | 64d | — | — |
| 2026-10-08T05:29:36Z | ✗ | D | ✗ | 202.0 ms | 65d | — | — |
| 2026-10-07T23:27:46Z | ✓ | A | ✓ | 137.0 ms | 65d | — | — |
| 2026-10-07T17:26:39Z | ✗ | D | ✗ | 88.0 ms | 65d | — | — |
| 2026-10-07T11:25:18Z | ✗ | D | ✗ | 137.0 ms | 65d | — | — |
| 2026-10-07T05:23:57Z | ✗ | D | ✗ | 150.0 ms | 66d | — | — |
| 2026-10-06T23:22:25Z | ✓ | A | ✓ | 130.0 ms | 66d | — | — |
| 2026-10-06T17:21:37Z | ✗ | F | ✗ | 1518.0 ms | 66d | — | — |
| 2026-10-06T11:20:52Z | ✗ | D | ✗ | 125.0 ms | 66d | — | — |
| 2026-10-06T05:19:39Z | ✓ | A | ✓ | 131.0 ms | 67d | 14 | 73746e3dfccc87e0 |
| 2026-10-05T23:18:46Z | ✗ | D | ✗ | 139.0 ms | 67d | — | — |
| 2026-10-05T17:17:38Z | ✓ | A | ✓ | 69.0 ms | 67d | — | — |
| 2026-10-05T11:16:46Z | ✗ | D | ✗ | 200.0 ms | 67d | — | — |
| 2026-10-05T05:15:25Z | ✗ | D | ✗ | 134.0 ms | 68d | — | — |