> 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.

# openaq.caseyjhand.com/mcp

Last observed: 2026-08-30T09:15:26.257Z
Recorded as: OK
Transport: streamable-http
Observations held: 25
Published: yes

## Observations

| Observed | Snapshot | Recorded as | Detail | Latency ms | Tools | Tool schema fingerprint |
|---|---|---|---|---|---|---|
| 2026-08-06T17:57:41.864Z | REL-SNAP-002 | OK | - | 650 | 7 | f9bf8ce8a0140b8f87f469e94f95889c8faaafe9f70fabb053c6b9b486c276c0 |
| 2026-08-07T08:43:56.701Z | REL-SNAP-003 | OK | - | 544 | 7 | f9bf8ce8a0140b8f87f469e94f95889c8faaafe9f70fabb053c6b9b486c276c0 |
| 2026-08-08T10:25:35.272Z | REL-SNAP-004 | HTTP_5XX | http_530 | - | - | - |
| 2026-08-09T09:06:43.122Z | REL-SNAP-005 | HTTP_5XX | http_530 | - | - | - |
| 2026-08-10T09:05:34.890Z | REL-SNAP-006 | OK | - | 621 | 7 | f9bf8ce8a0140b8f87f469e94f95889c8faaafe9f70fabb053c6b9b486c276c0 |
| 2026-08-11T09:08:47.896Z | REL-SNAP-007 | OK | - | 558 | 7 | f9bf8ce8a0140b8f87f469e94f95889c8faaafe9f70fabb053c6b9b486c276c0 |
| 2026-08-12T09:07:24.183Z | REL-SNAP-008 | OK | - | 602 | 7 | f9bf8ce8a0140b8f87f469e94f95889c8faaafe9f70fabb053c6b9b486c276c0 |
| 2026-08-13T09:00:48.342Z | REL-SNAP-009 | OK | - | 574 | 7 | f9bf8ce8a0140b8f87f469e94f95889c8faaafe9f70fabb053c6b9b486c276c0 |
| 2026-08-14T09:13:28.916Z | REL-SNAP-010 | OK | - | 598 | 7 | f9bf8ce8a0140b8f87f469e94f95889c8faaafe9f70fabb053c6b9b486c276c0 |
| 2026-08-15T09:04:04.583Z | REL-SNAP-011 | OK | - | 559 | 7 | f9bf8ce8a0140b8f87f469e94f95889c8faaafe9f70fabb053c6b9b486c276c0 |
| 2026-08-16T09:04:39.055Z | REL-SNAP-012 | OK | - | 589 | 7 | f9bf8ce8a0140b8f87f469e94f95889c8faaafe9f70fabb053c6b9b486c276c0 |
| 2026-08-17T11:35:13.546Z | REL-SNAP-013 | OK | - | 571 | 7 | f9bf8ce8a0140b8f87f469e94f95889c8faaafe9f70fabb053c6b9b486c276c0 |
| 2026-08-18T09:03:14.019Z | REL-SNAP-014 | OK | - | 724 | 7 | f9bf8ce8a0140b8f87f469e94f95889c8faaafe9f70fabb053c6b9b486c276c0 |
| 2026-08-19T08:51:28.879Z | REL-SNAP-015 | OK | - | 382 | 7 | f9bf8ce8a0140b8f87f469e94f95889c8faaafe9f70fabb053c6b9b486c276c0 |
| 2026-08-20T08:59:54.029Z | REL-SNAP-016 | OK | - | 484 | 7 | f9bf8ce8a0140b8f87f469e94f95889c8faaafe9f70fabb053c6b9b486c276c0 |
| 2026-08-21T09:15:31.132Z | REL-SNAP-017 | OK | - | 479 | 7 | f9bf8ce8a0140b8f87f469e94f95889c8faaafe9f70fabb053c6b9b486c276c0 |
| 2026-08-22T08:52:09.652Z | REL-SNAP-018 | OK | - | 503 | 7 | f9bf8ce8a0140b8f87f469e94f95889c8faaafe9f70fabb053c6b9b486c276c0 |
| 2026-08-23T09:53:04.195Z | REL-SNAP-019 | OK | - | 435 | 7 | f9bf8ce8a0140b8f87f469e94f95889c8faaafe9f70fabb053c6b9b486c276c0 |
| 2026-08-24T08:55:38.090Z | REL-SNAP-020 | OK | - | 411 | 7 | f9bf8ce8a0140b8f87f469e94f95889c8faaafe9f70fabb053c6b9b486c276c0 |
| 2026-08-25T09:16:56.342Z | REL-SNAP-021 | OK | - | 451 | 7 | 938bf382567fa8ebde97800e17bfad8affb6c03167e8a18101a4402dc8e212d7 |
| 2026-08-26T09:12:57.701Z | REL-SNAP-022 | OK | - | 427 | 7 | 938bf382567fa8ebde97800e17bfad8affb6c03167e8a18101a4402dc8e212d7 |
| 2026-08-27T09:26:39.575Z | REL-SNAP-023 | OK | - | 448 | 7 | 938bf382567fa8ebde97800e17bfad8affb6c03167e8a18101a4402dc8e212d7 |
| 2026-08-28T09:23:28.279Z | REL-SNAP-024 | OK | - | 420 | 7 | 938bf382567fa8ebde97800e17bfad8affb6c03167e8a18101a4402dc8e212d7 |
| 2026-08-29T09:13:26.778Z | REL-SNAP-025 | OK | - | 259 | 7 | 938bf382567fa8ebde97800e17bfad8affb6c03167e8a18101a4402dc8e212d7 |
| 2026-08-30T09:15:26.257Z | REL-SNAP-026 | OK | - | 542 | 7 | 938bf382567fa8ebde97800e17bfad8affb6c03167e8a18101a4402dc8e212d7 |

## Identity

Record key: openaq.caseyjhand.com/mcp (the normalised endpoint observed)
Registry names (not anchored — no inclusion proof reaches this field): io.github.cyanheads/openaq-mcp-server (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: openaq-mcp-server (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.