MCP VerifyThe rating layer for AI agents

agent-observatory-sensor.nolimit-observatory.workers.dev/s/tz-europe-london/mcp

Graded A by MCP Verify under grade/v1, sealed in snapshot REL-SNAP-084 on 27 October 2026. Recorded reachable in 50 of 50 observations since 8 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-047, A from REL-SNAP-048 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
b03e9cf608226900…changed 4 times on the record
Name reported by the server
Europe/London clockself-reported, never used as identity
Registry names (not anchored)
io.github.sadri-dridi/tz-europe-londonas the registry listed it; not covered by the chain
First and last observed
8 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 09:08REL-SNAP-084OK54 ms31b03e9cf608226900…
2026-10-26 09:08REL-SNAP-083OK58 ms31b03e9cf608226900…
2026-10-25 09:07REL-SNAP-082OK74 ms31b03e9cf608226900…
2026-10-24 09:06REL-SNAP-081OK58 ms31b03e9cf608226900…
2026-10-23 10:17REL-SNAP-080OK56 ms31b03e9cf608226900…
2026-10-22 09:54REL-SNAP-079OK58 ms31b03e9cf608226900…
2026-10-21 09:34REL-SNAP-078OK50 ms31b03e9cf608226900…
2026-10-20 10:02REL-SNAP-077OK45 ms31b03e9cf608226900…
Show all 50 observations
2026-10-19 10:13REL-SNAP-076OK60 ms31b03e9cf608226900…
2026-10-18 09:16REL-SNAP-075OK62 ms31b03e9cf608226900…
2026-10-17 09:15REL-SNAP-074OK44 ms31b03e9cf608226900…
2026-10-16 09:26REL-SNAP-073OK47 ms31b03e9cf608226900…
2026-10-15 09:30REL-SNAP-072OK48 ms31b03e9cf608226900…
2026-10-14 09:37REL-SNAP-071OK55 ms31b03e9cf608226900…
2026-10-13 09:38REL-SNAP-070OK50 ms31b03e9cf608226900…
2026-10-12 10:20REL-SNAP-069OK58 ms31b03e9cf608226900…
2026-10-11 09:12REL-SNAP-068OK47 ms31b03e9cf608226900…
2026-10-10 09:14REL-SNAP-067OK50 ms31b03e9cf608226900…
2026-10-09 09:17REL-SNAP-066OK44 ms31b03e9cf608226900…
2026-10-08 09:28REL-SNAP-065OK47 ms31b03e9cf608226900…
2026-10-07 09:39REL-SNAP-064OK47 ms31b03e9cf608226900…
2026-10-06 09:14REL-SNAP-063OK51 ms31b03e9cf608226900…
2026-10-05 10:03REL-SNAP-062OK83 ms31b03e9cf608226900…
2026-10-04 09:30REL-SNAP-061OK44 ms31b03e9cf608226900…
2026-10-03 09:23REL-SNAP-060OK43 ms31b03e9cf608226900…
2026-10-02 09:20REL-SNAP-059OK47 ms31b03e9cf608226900…
2026-10-01 09:24REL-SNAP-058OK61 ms31b03e9cf608226900…
2026-09-30 09:48REL-SNAP-057OK48 ms31b03e9cf608226900…
2026-09-29 09:44REL-SNAP-056OK56 ms31b03e9cf608226900…
2026-09-28 09:56REL-SNAP-055OK45 ms31b03e9cf608226900…
2026-09-27 09:42REL-SNAP-054OK50 ms31b03e9cf608226900…
2026-09-26 09:29REL-SNAP-053OK47 ms31b03e9cf608226900…
2026-09-25 09:52REL-SNAP-052OK59 ms31b03e9cf608226900…
2026-09-24 09:56REL-SNAP-051OK48 ms31b03e9cf608226900…
2026-09-23 10:00REL-SNAP-050OK54 ms31941d781374c72392…
2026-09-22 09:40REL-SNAP-049OK48 ms30329caa370bd8f962…
2026-09-21 09:24REL-SNAP-048OK55 ms30329caa370bd8f962…
2026-09-20 09:43REL-SNAP-047OK46 ms30329caa370bd8f962…
2026-09-19 09:27REL-SNAP-046OK46 ms30329caa370bd8f962…
2026-09-18 09:41REL-SNAP-045OK52 ms30329caa370bd8f962…
2026-09-17 09:51REL-SNAP-044OK59 ms30329caa370bd8f962…
2026-09-16 10:07REL-SNAP-043OK44 ms30329caa370bd8f962…
2026-09-15 09:42REL-SNAP-042OK90 ms30329caa370bd8f962…
2026-09-14 09:49REL-SNAP-041OK51 ms30329caa370bd8f962…
2026-09-13 09:49REL-SNAP-040OK42 ms30329caa370bd8f962…
2026-09-12 09:22REL-SNAP-039OK53 ms30329caa370bd8f962…
2026-09-11 09:30REL-SNAP-038OK78 ms30329caa370bd8f962…
2026-09-10 09:30REL-SNAP-037OK46 ms30329caa370bd8f962…
2026-09-09 09:37REL-SNAP-036OK46 ms2916ed68f4408e8325…
2026-09-08 09:57REL-SNAP-035OK52 ms112051775cc1459305…

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-europe-london/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 4 times on the record. Each change is dated in the observations below.