An observation record, not an assessment. Every row below is a change we recorded directly, with the content hash before and after. https://mcp.signal8.ai/mcp
13 of these transitions happened while the reported version string stayed the same. A consumer pinning that version would have received a different tool surface with nothing in the version to indicate it. That is a compatibility and review fact, not a security finding and not an allegation of wrongdoing — unversioned iteration is normal practice and is frequently deliberate.
| observed at (UTC) | change | version signal | reported version | tools | surface hash |
|---|---|---|---|---|---|
| 2026-10-09 13:40:04Z | DESCRIPTION_CHANGED | SILENT — version string did not move | 0.17.0 (unchanged) | no tool-name change recorded | 785a4a343f47 → f61c6ae83a7b |
| 2026-10-09 13:40:04Z | PARAMS_CHANGED | SILENT — version string did not move | 0.17.0 (unchanged) | no tool-name change recorded | 08886fb58ffa → 4190e4e0703b |
| 2026-10-09 13:40:04Z | SURFACE_CHANGED | SILENT — version string did not move | 0.17.0 (unchanged) | +get_politician_scorecard | 6622706c5d1a → d5d8f910277f |
| 2026-10-08 13:40:03Z | PARAMS_CHANGED | SILENT — version string did not move | 0.17.0 (unchanged) | no tool-name change recorded | 98814862edfa → 08886fb58ffa |
| 2026-10-08 01:40:02Z | DESCRIPTION_CHANGED | SILENT — version string did not move | 0.17.0 (unchanged) | no tool-name change recorded | 5fa4bf671b6c → 0c5a939f7069 |
| 2026-10-08 01:40:02Z | SURFACE_CHANGED | SILENT — version string did not move | 0.17.0 (unchanged) | +define_term +get_learn_guide +search_learn_guides | ad7b0ed2616d → 6622706c5d1a |
| 2026-10-07 19:40:03Z | DESCRIPTION_CHANGED | SILENT — version string did not move | 0.17.0 (unchanged) | no tool-name change recorded | 571c35827c90 → 5fa4bf671b6c |
| 2026-10-07 13:40:04Z | DESCRIPTION_CHANGED | SILENT — version string did not move | 0.17.0 (unchanged) | no tool-name change recorded | 8f389f4bc767 → 571c35827c90 |
| 2026-10-07 01:40:03Z | DESCRIPTION_CHANGED | SILENT — version string did not move | 0.17.0 (unchanged) | no tool-name change recorded | 6675bfedc9bc → 8f389f4bc767 |
| 2026-10-07 01:40:03Z | PARAMS_CHANGED | SILENT — version string did not move | 0.17.0 (unchanged) | no tool-name change recorded | 35f2e5c85698 → a18c91995873 |
| 2026-10-06 19:40:03Z | DESCRIPTION_CHANGED | SILENT — version string did not move | 0.17.0 (unchanged) | no tool-name change recorded | 5bbaddecad50 → 6675bfedc9bc |
| 2026-10-06 13:40:04Z | DESCRIPTION_CHANGED | version-signalled | 0.16.1 → 0.17.0 | no tool-name change recorded | 36cfd3c3b01b → 5bbaddecad50 |
| 2026-10-06 13:40:04Z | PARAMS_CHANGED | version-signalled | 0.16.1 → 0.17.0 | no tool-name change recorded | 381c04908d0d → 35f2e5c85698 |
| 2026-10-06 13:40:04Z | SURFACE_CHANGED | version-signalled | 0.16.1 → 0.17.0 | +get_filing_documents +get_filing_structured | 8bf12a2d4abe → ad7b0ed2616d |
| 2026-10-04 01:12:58Z | DESCRIPTION_CHANGED | SILENT — version string did not move | 0.16.1 (unchanged) | no tool-name change recorded | c60e72a193bf → 36cfd3c3b01b |
| 2026-10-01 01:40:03Z | SURFACE_CHANGED | SILENT — version string did not move | 0.16.1 (unchanged) | +get_politician_disclosures | 32852829cc18 → 8bf12a2d4abe |
This section is identical for ~92% of publishers and is published as
shared context, not as a finding about mcp.signal8.ai. 90 dependency
packages sit beneath the measured MCP population; 41 have a
single maintainer and 31 have not published in over two years.
The widest is zod at
80.46% of npm-backed servers (8529 servers,
1 maintainer, last publish 2026-09-13).
These are properties of the shared SDK dependency closure. Any page claiming this set as
one operator's personal exposure is misreading a universal fact as a private one.
Source: state/mcp-census/chokepoint-maintainers.json, as_of 2026-10-07.
Observation window 2026-09-21 → 2026-10-10.
22,294 servers were observed; 2,214
were seen to change and 20,080 were observed and
recorded no change — that negative control is why a non-zero count here means something.
Across the corpus, 4,781 of
6,334 changes carried no version signal, and
1,690 of those added or removed tools.
What this does NOT cover: servers outside the observed set; changes that
occurred before 2026-09-21; changes that began and reverted between two observations;
and any server reachable only with credentials we do not hold. A server's absence from this
record is not evidence it did not change — only that we did not observe it.
Universe captured 2026-10-10T19:40:03.823Z. Produced by core/surface_history_page.cjs (reads core/surface_clock producers).
Hashes are of the served tool surface and are recomputable from the server's own response.