> 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.

# pubmed.caseyjhand.com/mcp

Last observed: 2026-08-30T09:12:14.887Z
Recorded as: OK
Transport: streamable-http
Observations held: 25
Published: yes

## Observations

| Observed | Snapshot | Recorded as | Detail | Latency ms | Tools | Tool schema fingerprint |
|---|---|---|---|---|---|---|
| 2026-08-06T17:57:35.220Z | REL-SNAP-002 | OK | - | 526 | 11 | a9d5ee8487436c9eb8699687024102c3632e9111dbf15bc81c24d2ca7f751700 |
| 2026-08-07T08:43:47.211Z | REL-SNAP-003 | OK | - | 521 | 11 | a9d5ee8487436c9eb8699687024102c3632e9111dbf15bc81c24d2ca7f751700 |
| 2026-08-08T10:25:30.803Z | REL-SNAP-004 | HTTP_5XX | http_530 | - | - | - |
| 2026-08-09T09:06:37.418Z | REL-SNAP-005 | HTTP_5XX | http_530 | - | - | - |
| 2026-08-10T09:05:24.507Z | REL-SNAP-006 | OK | - | 589 | 11 | a9d5ee8487436c9eb8699687024102c3632e9111dbf15bc81c24d2ca7f751700 |
| 2026-08-11T09:08:38.355Z | REL-SNAP-007 | OK | - | 616 | 11 | a9d5ee8487436c9eb8699687024102c3632e9111dbf15bc81c24d2ca7f751700 |
| 2026-08-12T09:07:13.659Z | REL-SNAP-008 | OK | - | 601 | 11 | a9d5ee8487436c9eb8699687024102c3632e9111dbf15bc81c24d2ca7f751700 |
| 2026-08-13T09:00:38.964Z | REL-SNAP-009 | OK | - | 568 | 11 | a9d5ee8487436c9eb8699687024102c3632e9111dbf15bc81c24d2ca7f751700 |
| 2026-08-14T09:13:17.745Z | REL-SNAP-010 | OK | - | 539 | 11 | a9d5ee8487436c9eb8699687024102c3632e9111dbf15bc81c24d2ca7f751700 |
| 2026-08-15T09:03:54.090Z | REL-SNAP-011 | OK | - | 566 | 11 | a9d5ee8487436c9eb8699687024102c3632e9111dbf15bc81c24d2ca7f751700 |
| 2026-08-16T09:04:28.812Z | REL-SNAP-012 | OK | - | 569 | 11 | a9d5ee8487436c9eb8699687024102c3632e9111dbf15bc81c24d2ca7f751700 |
| 2026-08-17T11:35:04.050Z | REL-SNAP-013 | OK | - | 612 | 11 | a9d5ee8487436c9eb8699687024102c3632e9111dbf15bc81c24d2ca7f751700 |
| 2026-08-18T09:03:04.484Z | REL-SNAP-014 | OK | - | 722 | 11 | a9d5ee8487436c9eb8699687024102c3632e9111dbf15bc81c24d2ca7f751700 |
| 2026-08-19T08:51:19.956Z | REL-SNAP-015 | OK | - | 464 | 11 | a9d5ee8487436c9eb8699687024102c3632e9111dbf15bc81c24d2ca7f751700 |
| 2026-08-20T08:59:46.438Z | REL-SNAP-016 | OK | - | 299 | 11 | a9d5ee8487436c9eb8699687024102c3632e9111dbf15bc81c24d2ca7f751700 |
| 2026-08-21T09:15:23.192Z | REL-SNAP-017 | OK | - | 451 | 11 | a9d5ee8487436c9eb8699687024102c3632e9111dbf15bc81c24d2ca7f751700 |
| 2026-08-22T09:07:06.195Z | REL-SNAP-018 | OK | - | 507 | 11 | f327fa2f1c97f589ca247298ac1ebbea5cc0c54f5bd259d6489015062f3b3f48 |
| 2026-08-23T10:07:41.657Z | REL-SNAP-019 | OK | - | 644 | 11 | f327fa2f1c97f589ca247298ac1ebbea5cc0c54f5bd259d6489015062f3b3f48 |
| 2026-08-24T09:10:52.357Z | REL-SNAP-020 | OK | - | 487 | 11 | f327fa2f1c97f589ca247298ac1ebbea5cc0c54f5bd259d6489015062f3b3f48 |
| 2026-08-25T09:12:54.361Z | REL-SNAP-021 | OK | - | 506 | 11 | f327fa2f1c97f589ca247298ac1ebbea5cc0c54f5bd259d6489015062f3b3f48 |
| 2026-08-26T09:09:23.010Z | REL-SNAP-022 | OK | - | 485 | 11 | f327fa2f1c97f589ca247298ac1ebbea5cc0c54f5bd259d6489015062f3b3f48 |
| 2026-08-27T09:23:14.471Z | REL-SNAP-023 | OK | - | 415 | 11 | f327fa2f1c97f589ca247298ac1ebbea5cc0c54f5bd259d6489015062f3b3f48 |
| 2026-08-28T09:20:03.239Z | REL-SNAP-024 | OK | - | 408 | 11 | f327fa2f1c97f589ca247298ac1ebbea5cc0c54f5bd259d6489015062f3b3f48 |
| 2026-08-29T09:10:05.665Z | REL-SNAP-025 | OK | - | 420 | 11 | f327fa2f1c97f589ca247298ac1ebbea5cc0c54f5bd259d6489015062f3b3f48 |
| 2026-08-30T09:12:14.887Z | REL-SNAP-026 | OK | - | 409 | 11 | f327fa2f1c97f589ca247298ac1ebbea5cc0c54f5bd259d6489015062f3b3f48 |

## Identity

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