> NOTICE — Pre-launch build. Every record here is a dated observation of a real MCP endpoint operated by a third party, rendered from the published archive. Coverage is partial — the figures cover the snapshots in the export this build was made from, not the whole chain and not the whole ecosystem. Claims and badges are not open.

# agent-observatory-sensor.nolimit-observatory.workers.dev/s/isbn10-ok/mcp

Last observed: 2026-10-02T09:30:27.615Z
Recorded as: OK
Transport: streamable-http
Observations held: 23
Published: yes

## Observations

| Observed | Snapshot | Recorded as | Detail | Latency ms | Tools | Tool schema fingerprint |
|---|---|---|---|---|---|---|
| 2026-09-10T09:41:29.093Z | REL-SNAP-037 | OK | - | 72 | 30 | b663bcc55eba859f075904dbad60f18d4a0a5c1e3950376466ed8571a04ab86b |
| 2026-09-11T09:41:03.123Z | REL-SNAP-038 | OK | - | 48 | 30 | b663bcc55eba859f075904dbad60f18d4a0a5c1e3950376466ed8571a04ab86b |
| 2026-09-12T09:32:35.808Z | REL-SNAP-039 | OK | - | 44 | 30 | b663bcc55eba859f075904dbad60f18d4a0a5c1e3950376466ed8571a04ab86b |
| 2026-09-13T10:00:00.468Z | REL-SNAP-040 | OK | - | 53 | 30 | b663bcc55eba859f075904dbad60f18d4a0a5c1e3950376466ed8571a04ab86b |
| 2026-09-14T10:03:38.019Z | REL-SNAP-041 | OK | - | 60 | 30 | b663bcc55eba859f075904dbad60f18d4a0a5c1e3950376466ed8571a04ab86b |
| 2026-09-15T09:53:20.408Z | REL-SNAP-042 | OK | - | 44 | 30 | b663bcc55eba859f075904dbad60f18d4a0a5c1e3950376466ed8571a04ab86b |
| 2026-09-16T10:17:40.309Z | REL-SNAP-043 | OK | - | 79 | 30 | b663bcc55eba859f075904dbad60f18d4a0a5c1e3950376466ed8571a04ab86b |
| 2026-09-17T10:02:00.831Z | REL-SNAP-044 | OK | - | 50 | 30 | b663bcc55eba859f075904dbad60f18d4a0a5c1e3950376466ed8571a04ab86b |
| 2026-09-18T09:51:54.596Z | REL-SNAP-045 | OK | - | 82 | 30 | b663bcc55eba859f075904dbad60f18d4a0a5c1e3950376466ed8571a04ab86b |
| 2026-09-19T09:37:37.515Z | REL-SNAP-046 | OK | - | 50 | 30 | b663bcc55eba859f075904dbad60f18d4a0a5c1e3950376466ed8571a04ab86b |
| 2026-09-20T09:53:25.297Z | REL-SNAP-047 | OK | - | 43 | 30 | b663bcc55eba859f075904dbad60f18d4a0a5c1e3950376466ed8571a04ab86b |
| 2026-09-21T09:34:33.364Z | REL-SNAP-048 | OK | - | 49 | 30 | b663bcc55eba859f075904dbad60f18d4a0a5c1e3950376466ed8571a04ab86b |
| 2026-09-22T09:50:33.749Z | REL-SNAP-049 | OK | - | 45 | 30 | b663bcc55eba859f075904dbad60f18d4a0a5c1e3950376466ed8571a04ab86b |
| 2026-09-23T10:11:31.739Z | REL-SNAP-050 | OK | - | 65 | 31 | b725688f5eb85be681b52b71fcacdb57a5028918964e906d6386f40db4299c9f |
| 2026-09-24T10:07:08.469Z | REL-SNAP-051 | OK | - | 48 | 31 | ea1ef80e36325033aa0a3f3bac622852b7fdb423ac5f8f825642199b8ebbcc45 |
| 2026-09-25T10:03:28.516Z | REL-SNAP-052 | OK | - | 53 | 31 | ea1ef80e36325033aa0a3f3bac622852b7fdb423ac5f8f825642199b8ebbcc45 |
| 2026-09-26T09:40:11.183Z | REL-SNAP-053 | OK | - | 45 | 31 | ea1ef80e36325033aa0a3f3bac622852b7fdb423ac5f8f825642199b8ebbcc45 |
| 2026-09-27T09:52:59.571Z | REL-SNAP-054 | OK | - | 43 | 31 | ea1ef80e36325033aa0a3f3bac622852b7fdb423ac5f8f825642199b8ebbcc45 |
| 2026-09-28T10:07:20.417Z | REL-SNAP-055 | OK | - | 51 | 31 | ea1ef80e36325033aa0a3f3bac622852b7fdb423ac5f8f825642199b8ebbcc45 |
| 2026-09-29T09:54:45.104Z | REL-SNAP-056 | OK | - | 47 | 31 | ea1ef80e36325033aa0a3f3bac622852b7fdb423ac5f8f825642199b8ebbcc45 |
| 2026-09-30T09:58:49.138Z | REL-SNAP-057 | OK | - | 51 | 31 | ea1ef80e36325033aa0a3f3bac622852b7fdb423ac5f8f825642199b8ebbcc45 |
| 2026-10-01T09:34:28.814Z | REL-SNAP-058 | OK | - | 51 | 31 | ea1ef80e36325033aa0a3f3bac622852b7fdb423ac5f8f825642199b8ebbcc45 |
| 2026-10-02T09:30:27.615Z | REL-SNAP-059 | OK | - | 56 | 31 | ea1ef80e36325033aa0a3f3bac622852b7fdb423ac5f8f825642199b8ebbcc45 |

## Identity

Record key: agent-observatory-sensor.nolimit-observatory.workers.dev/s/isbn10-ok/mcp (the normalised endpoint observed)
Registry names (not anchored — no inclusion proof reaches this field): io.github.sadri-dridi/isbn10-ok (what the registry said when we swept it, as observed by us — not evidence that the registry was correct, that the name belongs to whoever registered it, or that it still resolves)
Name reported by the server: ISBN-10 digit shape, value discarded (self-reported, unverified, never used as identity)

Each observation carries a merkle leaf in the snapshot it belongs to. The chain
establishes that a root existed by a given time; it does not establish that any
measurement is true.