Agent Callback Mailbox
Paid replay-safe callback inboxes for asynchronous agent tasks with structured MCP results.
endpoint: https://callbacks.inversolabs.us/mcp
registry: us.inversolabs/agent-callback-mailbox
D
recent success 0% (30 probes) ·
MCP handshake FAILED
· protocol —
TLS valid (46d left) · latency 68.0 ms ·
HTTP 530 · 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 |
|---|---|---|---|---|---|---|---|
| 2026-10-13T10:04:51Z | ✗ | D | ✗ | 68.0 ms | 46d | — | — |
| 2026-10-13T04:03:08Z | ✗ | D | ✗ | 93.0 ms | 46d | — | — |
| 2026-10-12T22:02:28Z | ✗ | D | ✗ | 108.0 ms | 47d | — | — |
| 2026-10-12T16:01:58Z | ✗ | D | ✗ | 55.0 ms | 47d | — | — |
| 2026-10-12T10:01:39Z | ✗ | D | ✗ | 77.0 ms | 47d | — | — |
| 2026-10-12T04:00:09Z | ✗ | D | ✗ | 73.0 ms | 47d | — | — |
| 2026-10-11T21:58:31Z | ✗ | D | ✗ | 55.0 ms | 48d | — | — |
| 2026-10-11T15:57:54Z | ✗ | D | ✗ | 80.0 ms | 48d | — | — |
| 2026-10-11T09:57:06Z | ✗ | D | ✗ | 78.0 ms | 48d | — | — |
| 2026-10-11T03:56:20Z | ✗ | D | ✗ | 96.0 ms | 48d | — | — |
| 2026-10-10T21:55:33Z | ✗ | D | ✗ | 144.0 ms | 49d | — | — |
| 2026-10-10T15:53:15Z | ✗ | D | ✗ | 132.0 ms | 49d | — | — |
| 2026-10-10T09:52:38Z | ✗ | D | ✗ | 135.0 ms | 49d | — | — |
| 2026-10-10T03:52:16Z | ✗ | D | ✗ | 115.0 ms | 49d | — | — |
| 2026-10-09T21:51:25Z | ✗ | D | ✗ | 147.0 ms | 50d | — | — |
| 2026-10-09T15:50:30Z | ✗ | D | ✗ | 139.0 ms | 50d | — | — |
| 2026-10-09T09:49:30Z | ✗ | D | ✗ | 130.0 ms | 50d | — | — |
| 2026-10-09T03:48:16Z | ✗ | D | ✗ | 125.0 ms | 50d | — | — |
| 2026-10-08T21:46:24Z | ✗ | D | ✗ | 110.0 ms | 51d | — | — |
| 2026-10-08T15:44:57Z | ✗ | D | ✗ | 124.0 ms | 51d | — | — |
| 2026-10-08T09:44:26Z | ✗ | D | ✗ | 106.0 ms | 51d | — | — |
| 2026-10-08T03:43:53Z | ✗ | D | ✗ | 124.0 ms | 51d | — | — |
| 2026-10-07T21:42:52Z | ✗ | D | ✗ | 66.0 ms | 52d | — | — |
| 2026-10-07T15:42:04Z | ✗ | D | ✗ | 81.0 ms | 52d | — | — |
| 2026-10-07T09:40:21Z | ✗ | D | ✗ | 91.0 ms | 52d | — | — |
| 2026-10-07T03:39:56Z | ✗ | D | ✗ | 102.0 ms | 52d | — | — |
| 2026-10-06T21:39:17Z | ✗ | D | ✗ | 277.0 ms | 53d | — | — |
| 2026-10-06T15:38:34Z | ✗ | D | ✗ | 148.0 ms | 53d | — | — |
| 2026-10-06T09:37:14Z | ✗ | D | ✗ | 89.0 ms | 53d | — | — |
| 2026-10-06T03:35:32Z | ✗ | D | ✗ | 145.0 ms | 53d | — | — |