HTTP 451 unavailable-legal
Meaning of HTTP 451.
endpoint: https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/http-451/mcp
registry: io.github.sadri-dridi/http-451
A
recent success 100% (30 probes) ·
MCP handshake OK
· protocol 2025-03-26
TLS valid (53d left) · latency 109.0 ms ·
HTTP 200 · auth open ·
tools 31
manifest ee5d56c918c3009e
· drift events seen here: 4
Embed this grade
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Recent probes
| time (UTC) | ok | grade | mcp | latency | tls | tools | hash |
|---|---|---|---|---|---|---|---|
| 2026-10-12T04:50:55Z | ✓ | A | ✓ | 109.0 ms | 53d | 31 | ee5d56c918c3009e |
| 2026-10-11T22:49:49Z | ✓ | A | ✓ | 71.0 ms | 54d | 31 | ee5d56c918c3009e |
| 2026-10-11T16:49:16Z | ✓ | A | ✓ | 95.0 ms | 54d | 31 | ee5d56c918c3009e |
| 2026-10-11T10:48:10Z | ✓ | A | ✓ | 152.0 ms | 54d | 31 | ee5d56c918c3009e |
| 2026-10-11T04:47:04Z | ✓ | A | ✓ | 132.0 ms | 54d | 31 | ee5d56c918c3009e |
| 2026-10-10T22:45:34Z | ✓ | A | ✓ | 116.0 ms | 55d | 31 | ee5d56c918c3009e |
| 2026-10-10T16:43:40Z | ✓ | A | ✓ | 91.0 ms | 55d | 31 | ee5d56c918c3009e |
| 2026-10-10T10:41:47Z | ✓ | A | ✓ | 148.0 ms | 55d | 31 | ee5d56c918c3009e |
| 2026-10-10T04:40:41Z | ✓ | A | ✓ | 76.0 ms | 55d | 31 | ee5d56c918c3009e |
| 2026-10-09T22:38:37Z | ✓ | A | ✓ | 67.0 ms | 56d | 31 | ee5d56c918c3009e |
| 2026-10-09T16:38:05Z | ✓ | A | ✓ | 130.0 ms | 56d | 31 | ee5d56c918c3009e |
| 2026-10-09T10:37:33Z | ✓ | A | ✓ | 165.0 ms | 56d | 31 | ee5d56c918c3009e |
| 2026-10-09T04:37:18Z | ✓ | A | ✓ | 97.0 ms | 56d | 31 | ee5d56c918c3009e |
| 2026-10-08T22:34:08Z | ✓ | A | ✓ | 121.0 ms | 57d | 31 | ee5d56c918c3009e |
| 2026-10-08T16:33:40Z | ✓ | A | ✓ | 129.0 ms | 57d | 31 | ee5d56c918c3009e |
| 2026-10-08T10:32:26Z | ✓ | A | ✓ | 146.0 ms | 57d | 31 | ee5d56c918c3009e |
| 2026-10-08T04:31:44Z | ✓ | A | ✓ | 129.0 ms | 57d | 31 | ee5d56c918c3009e |
| 2026-10-07T22:31:00Z | ✓ | A | ✓ | 142.0 ms | 58d | 31 | ee5d56c918c3009e |
| 2026-10-07T16:30:45Z | ✓ | A | ✓ | 77.0 ms | 58d | 31 | ee5d56c918c3009e |
| 2026-10-07T10:28:31Z | ✓ | A | ✓ | 271.0 ms | 58d | 31 | ee5d56c918c3009e |
| 2026-10-07T04:27:25Z | ✓ | A | ✓ | 174.0 ms | 58d | 31 | ee5d56c918c3009e |
| 2026-10-06T22:26:18Z | ✓ | A | ✓ | 78.0 ms | 59d | 31 | ee5d56c918c3009e |
| 2026-10-06T16:25:46Z | ✓ | A | ✓ | 84.0 ms | 59d | 31 | ee5d56c918c3009e |
| 2026-10-06T10:24:05Z | ✓ | A | ✓ | 117.0 ms | 59d | 31 | ee5d56c918c3009e |
| 2026-10-06T04:23:26Z | ✓ | A | ✓ | 100.0 ms | 59d | 31 | ee5d56c918c3009e |
| 2026-10-05T22:22:01Z | ✓ | A | ✓ | 77.0 ms | 60d | 31 | ee5d56c918c3009e |
| 2026-10-05T16:21:41Z | ✓ | A | ✓ | 43.0 ms | 60d | 31 | ee5d56c918c3009e |
| 2026-10-05T10:19:46Z | ✓ | A | ✓ | 47.0 ms | 60d | 31 | ee5d56c918c3009e |
| 2026-10-05T04:18:42Z | ✓ | A | ✓ | 68.0 ms | 60d | 31 | ee5d56c918c3009e |
| 2026-10-04T22:17:37Z | ✓ | A | ✓ | 88.0 ms | 61d | 31 | ee5d56c918c3009e |