Callboard
Concert booking intelligence: run and read Promoter Briefs from Claude or ChatGPT.
endpoint: https://api.callboard.fm/sse
registry: fm.callboard/connector
D
recent success 0% (30 probes) ·
MCP handshake FAILED
· protocol —
TLS valid (85d left) · latency 203.0 ms ·
HTTP 401 · auth ? ·
tools —
manifest —
· drift events seen here: 0
Embed this grade
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Recent probes
| time (UTC) | ok | grade | mcp | latency | tls | tools | hash |
|---|---|---|---|---|---|---|---|
| 2026-10-13T04:49:10Z | ✗ | D | ✗ | 203.0 ms | 85d | — | — |
| 2026-10-12T22:48:14Z | ✗ | D | ✗ | 102.0 ms | 85d | — | — |
| 2026-10-12T16:46:29Z | ✗ | D | ✗ | 84.0 ms | 85d | — | — |
| 2026-10-12T10:42:52Z | ✗ | D | ✗ | 215.0 ms | 86d | — | — |
| 2026-10-12T04:33:13Z | ✗ | D | ✗ | 43.0 ms | 86d | — | — |
| 2026-10-11T22:32:32Z | ✗ | D | ✗ | 111.0 ms | 86d | — | — |
| 2026-10-11T16:32:04Z | ✗ | D | ✗ | 118.0 ms | 86d | — | — |
| 2026-10-11T10:31:16Z | ✗ | D | ✗ | 170.0 ms | 87d | — | — |
| 2026-10-11T04:28:53Z | ✗ | D | ✗ | 256.0 ms | 87d | — | — |
| 2026-10-10T22:28:02Z | ✗ | D | ✗ | 149.0 ms | 87d | — | — |
| 2026-10-10T16:27:31Z | ✗ | D | ✗ | 165.0 ms | 87d | — | — |
| 2026-10-10T10:26:38Z | ✗ | D | ✗ | 78.0 ms | 88d | — | — |
| 2026-10-10T04:25:57Z | ✗ | D | ✗ | 102.0 ms | 88d | — | — |
| 2026-10-09T22:24:51Z | ✗ | D | ✗ | 181.0 ms | 88d | — | — |
| 2026-10-09T16:24:11Z | ✗ | D | ✗ | 110.0 ms | 88d | — | — |
| 2026-10-09T10:23:23Z | ✗ | D | ✗ | 134.0 ms | 89d | — | — |
| 2026-10-09T04:20:47Z | ✗ | D | ✗ | 113.0 ms | 89d | — | — |
| 2026-10-08T22:20:00Z | ✗ | D | ✗ | 68.0 ms | 89d | — | — |
| 2026-10-08T16:18:58Z | ✗ | D | ✗ | 64.0 ms | 89d | — | — |
| 2026-10-08T10:16:59Z | ✗ | D | ✗ | 88.0 ms | 88d | — | — |
| 2026-10-08T04:16:18Z | ✗ | D | ✗ | 111.0 ms | 88d | — | — |
| 2026-10-07T22:15:17Z | ✗ | D | ✗ | 91.0 ms | 88d | — | — |
| 2026-10-07T16:14:36Z | ✗ | D | ✗ | 146.0 ms | 88d | — | — |
| 2026-10-07T10:12:36Z | ✗ | D | ✗ | 135.0 ms | 89d | — | — |
| 2026-10-07T04:11:52Z | ✗ | D | ✗ | 85.0 ms | 89d | — | — |
| 2026-10-06T22:11:37Z | ✗ | D | ✗ | 121.0 ms | 89d | — | — |
| 2026-10-06T16:11:13Z | ✗ | D | ✗ | 74.0 ms | 89d | — | — |
| 2026-10-06T10:08:41Z | ✗ | D | ✗ | 128.0 ms | 32d | — | — |
| 2026-10-06T04:08:15Z | ✗ | D | ✗ | 95.0 ms | 32d | — | — |
| 2026-10-05T22:07:30Z | ✗ | D | ✗ | 77.0 ms | 32d | — | — |