Callendar
WhatsApp® reminders and rescheduling for Calendly. Public read-only MCP endpoint.
endpoint: https://app.callendar.de/mcp
registry: co.callendar/mcp
D
recent success 0% (30 probes) ·
MCP handshake FAILED
· protocol —
TLS valid (64d left) · latency 156.0 ms ·
HTTP 404 · 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 |
|---|---|---|---|---|---|---|---|
| 2026-10-13T10:03:27Z | ✗ | D | ✗ | 156.0 ms | 64d | — | — |
| 2026-10-13T04:01:15Z | ✗ | D | ✗ | 170.0 ms | 64d | — | — |
| 2026-10-12T22:00:26Z | ✗ | D | ✗ | 207.0 ms | 64d | — | — |
| 2026-10-12T15:59:42Z | ✗ | D | ✗ | 89.0 ms | 65d | — | — |
| 2026-10-12T09:59:09Z | ✗ | D | ✗ | 212.0 ms | 65d | — | — |
| 2026-10-12T03:58:46Z | ✗ | D | ✗ | 110.0 ms | 65d | — | — |
| 2026-10-11T21:57:14Z | ✗ | D | ✗ | 94.0 ms | 65d | — | — |
| 2026-10-11T15:56:16Z | ✗ | D | ✗ | 112.0 ms | 66d | — | — |
| 2026-10-11T09:55:00Z | ✗ | D | ✗ | 168.0 ms | 66d | — | — |
| 2026-10-11T03:54:30Z | ✗ | D | ✗ | 95.0 ms | 66d | — | — |
| 2026-10-10T21:54:08Z | ✗ | D | ✗ | 256.0 ms | 66d | — | — |
| 2026-10-10T15:52:12Z | ✗ | D | ✗ | 96.0 ms | 67d | — | — |
| 2026-10-10T09:51:34Z | ✗ | D | ✗ | 103.0 ms | 67d | — | — |
| 2026-10-10T03:51:18Z | ✗ | D | ✗ | 172.0 ms | 67d | — | — |
| 2026-10-09T21:50:21Z | ✗ | D | ✗ | 107.0 ms | 67d | — | — |
| 2026-10-09T15:49:21Z | ✗ | D | ✗ | 175.0 ms | 68d | — | — |
| 2026-10-09T09:48:29Z | ✗ | D | ✗ | 117.0 ms | 68d | — | — |
| 2026-10-09T03:47:12Z | ✗ | D | ✗ | 179.0 ms | 68d | — | — |
| 2026-10-08T21:45:27Z | ✗ | D | ✗ | 96.0 ms | 68d | — | — |
| 2026-10-08T15:43:38Z | ✗ | D | ✗ | 159.0 ms | 69d | — | — |
| 2026-10-08T09:41:13Z | ✗ | D | ✗ | 109.0 ms | 69d | — | — |
| 2026-10-08T03:40:25Z | ✗ | D | ✗ | 146.0 ms | 69d | — | — |
| 2026-10-07T21:39:44Z | ✗ | D | ✗ | 110.0 ms | 69d | — | — |
| 2026-10-07T15:38:38Z | ✗ | D | ✗ | 99.0 ms | 70d | — | — |
| 2026-10-07T09:37:11Z | ✗ | D | ✗ | 159.0 ms | 70d | — | — |
| 2026-10-07T03:36:49Z | ✗ | D | ✗ | 175.0 ms | 70d | — | — |
| 2026-10-06T21:36:14Z | ✗ | D | ✗ | 157.0 ms | 70d | — | — |
| 2026-10-06T15:34:35Z | ✗ | D | ✗ | 89.0 ms | 71d | — | — |
| 2026-10-06T09:33:35Z | ✗ | D | ✗ | 150.0 ms | 71d | — | — |
| 2026-10-06T03:32:26Z | ✗ | D | ✗ | 109.0 ms | 71d | — | — |