MCP VerifyThe rating layer for AI agents

agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-america-havana/mcp

Graded A by MCP Verify under grade/v1, sealed in snapshot REL-SNAP-084 on 27 October 2026. Recorded reachable in 48 of 48 observations since 10 September 2026.

The record behind itOne mark per snapshot, and every grade sealed along the way.

grade/v1
sealed in REL-SNAP-084

Sealed grades: UNGRADED from REL-SNAP-037 to REL-SNAP-049, A from REL-SNAP-050 to REL-SNAP-084.

  • Reachable
  • Reachable, asked to sign in or pay
  • Not reachable
  • Not observed
Transport
streamable-http
Tools listed
31
Tool schema fingerprint
7a412edd66fc0672…changed 2 times on the record
Name reported by the server
America/Havana clockself-reported, never used as identity
Registry names (not anchored)
io.github.sadri-dridi/tz-america-havanaas the registry listed it; not covered by the chain
First and last observed
10 Sep 2026 to 27 Oct 2026

Observations

Newest first. Each row is a separate look, not a summary.

Observed (UTC)SnapshotRecorded asLatencyToolsTool schema
2026-10-27 09:15REL-SNAP-084OK51 ms317a412edd66fc0672…
2026-10-26 09:15REL-SNAP-083OK51 ms317a412edd66fc0672…
2026-10-25 09:13REL-SNAP-082OK45 ms317a412edd66fc0672…
2026-10-24 09:12REL-SNAP-081OK58 ms317a412edd66fc0672…
2026-10-23 10:23REL-SNAP-080OK58 ms317a412edd66fc0672…
2026-10-22 09:59REL-SNAP-079OK49 ms317a412edd66fc0672…
2026-10-21 09:40REL-SNAP-078OK50 ms317a412edd66fc0672…
2026-10-20 10:08REL-SNAP-077OK67 ms317a412edd66fc0672…
Show all 48 observations
2026-10-19 10:19REL-SNAP-076OK49 ms317a412edd66fc0672…
2026-10-18 09:21REL-SNAP-075OK48 ms317a412edd66fc0672…
2026-10-17 09:20REL-SNAP-074OK79 ms317a412edd66fc0672…
2026-10-16 09:32REL-SNAP-073OK44 ms317a412edd66fc0672…
2026-10-15 09:36REL-SNAP-072OK56 ms317a412edd66fc0672…
2026-10-14 09:42REL-SNAP-071OK55 ms317a412edd66fc0672…
2026-10-13 09:44REL-SNAP-070OK50 ms317a412edd66fc0672…
2026-10-12 10:25REL-SNAP-069OK88 ms317a412edd66fc0672…
2026-10-11 09:18REL-SNAP-068OK44 ms317a412edd66fc0672…
2026-10-10 09:19REL-SNAP-067OK51 ms317a412edd66fc0672…
2026-10-09 09:22REL-SNAP-066OK62 ms317a412edd66fc0672…
2026-10-08 09:33REL-SNAP-065OK57 ms317a412edd66fc0672…
2026-10-07 09:44REL-SNAP-064OK43 ms317a412edd66fc0672…
2026-10-06 09:19REL-SNAP-063OK56 ms317a412edd66fc0672…
2026-10-05 10:08REL-SNAP-062OK51 ms317a412edd66fc0672…
2026-10-04 09:35REL-SNAP-061OK50 ms317a412edd66fc0672…
2026-10-03 09:28REL-SNAP-060OK43 ms317a412edd66fc0672…
2026-10-02 09:25REL-SNAP-059OK48 ms317a412edd66fc0672…
2026-10-01 09:29REL-SNAP-058OK46 ms317a412edd66fc0672…
2026-09-30 09:53REL-SNAP-057OK52 ms317a412edd66fc0672…
2026-09-29 09:49REL-SNAP-056OK55 ms317a412edd66fc0672…
2026-09-28 10:02REL-SNAP-055OK60 ms317a412edd66fc0672…
2026-09-27 09:47REL-SNAP-054OK54 ms317a412edd66fc0672…
2026-09-26 09:35REL-SNAP-053OK48 ms317a412edd66fc0672…
2026-09-25 09:58REL-SNAP-052OK46 ms317a412edd66fc0672…
2026-09-24 10:01REL-SNAP-051OK52 ms317a412edd66fc0672…
2026-09-23 10:06REL-SNAP-050OK49 ms311b0b88b317fed896…
2026-09-22 09:45REL-SNAP-049OK56 ms3089af447070d51a34…
2026-09-21 09:29REL-SNAP-048OK46 ms3089af447070d51a34…
2026-09-20 09:48REL-SNAP-047OK46 ms3089af447070d51a34…
2026-09-19 09:32REL-SNAP-046OK50 ms3089af447070d51a34…
2026-09-18 09:47REL-SNAP-045OK45 ms3089af447070d51a34…
2026-09-17 09:57REL-SNAP-044OK48 ms3089af447070d51a34…
2026-09-16 10:12REL-SNAP-043OK43 ms3089af447070d51a34…
2026-09-15 09:48REL-SNAP-042OK54 ms3089af447070d51a34…
2026-09-14 09:58REL-SNAP-041OK47 ms3089af447070d51a34…
2026-09-13 09:55REL-SNAP-040OK45 ms3089af447070d51a34…
2026-09-12 09:27REL-SNAP-039OK51 ms3089af447070d51a34…
2026-09-11 09:36REL-SNAP-038OK47 ms3089af447070d51a34…
2026-09-10 09:36REL-SNAP-037OK52 ms3089af447070d51a34…

Checking this record

Each observation above is a leaf of the merkle root published with its snapshot. A proof shows a record is in the archive. It does not show the measurement is correct.

Latest root, REL-SNAP-084

ed182ac44848117a98c9536eabbd63d33a756c4db072812094c742e3fa1fdef6

Published at

gist.github.com/181cc5f4834e0a4f812acde9a5efdb95

Is agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-america-havana/mcp reliable?
Its sealed grade is A (grade/v1, sealed in REL-SNAP-084). Grades run from A to F by how consistently an endpoint was recorded reachable. A grade describes the record; it is not a guarantee.
When was it last checked?
27 October 2026, in snapshot REL-SNAP-084, where it was recorded as OK.
Has its tool list changed?
Yes. Its tool schema fingerprint changed 2 times on the record. Each change is dated in the observations below.