MCP VerifyThe rating layer for AI agents

agent-observatory-sensor.nolimit-observatory.workers.dev/s/cityhash-len/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
32462a3db1d0b6d8…changed 2 times on the record
Name reported by the server
CityHash hex length, input discardedself-reported, never used as identity
Registry names (not anchored)
io.github.sadri-dridi/cityhash-lenas 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 09:23REL-SNAP-084OK47 ms3132462a3db1d0b6d8…
2026-10-26 09:23REL-SNAP-083OK49 ms3132462a3db1d0b6d8…
2026-10-25 09:19REL-SNAP-082OK54 ms3132462a3db1d0b6d8…
2026-10-24 09:18REL-SNAP-081OK60 ms3132462a3db1d0b6d8…
2026-10-23 10:29REL-SNAP-080OK56 ms3132462a3db1d0b6d8…
2026-10-22 10:05REL-SNAP-079OK34 ms3132462a3db1d0b6d8…
2026-10-21 09:46REL-SNAP-078OK59 ms3132462a3db1d0b6d8…
2026-10-20 10:15REL-SNAP-077OK56 ms3132462a3db1d0b6d8…
Show all 48 observations
2026-10-19 10:26REL-SNAP-076OK45 ms3132462a3db1d0b6d8…
2026-10-18 09:27REL-SNAP-075OK50 ms3132462a3db1d0b6d8…
2026-10-17 09:26REL-SNAP-074OK46 ms3132462a3db1d0b6d8…
2026-10-16 09:38REL-SNAP-073OK48 ms3132462a3db1d0b6d8…
2026-10-15 09:42REL-SNAP-072OK52 ms3132462a3db1d0b6d8…
2026-10-14 09:48REL-SNAP-071OK57 ms3132462a3db1d0b6d8…
2026-10-13 09:50REL-SNAP-070OK52 ms3132462a3db1d0b6d8…
2026-10-12 10:31REL-SNAP-069OK76 ms3132462a3db1d0b6d8…
2026-10-11 09:24REL-SNAP-068OK60 ms3132462a3db1d0b6d8…
2026-10-10 09:25REL-SNAP-067OK46 ms3132462a3db1d0b6d8…
2026-10-09 09:28REL-SNAP-066OK52 ms3132462a3db1d0b6d8…
2026-10-08 09:39REL-SNAP-065OK46 ms3132462a3db1d0b6d8…
2026-10-07 09:50REL-SNAP-064OK45 ms3132462a3db1d0b6d8…
2026-10-06 09:25REL-SNAP-063OK43 ms3132462a3db1d0b6d8…
2026-10-05 10:14REL-SNAP-062OK51 ms3132462a3db1d0b6d8…
2026-10-04 09:41REL-SNAP-061OK56 ms3132462a3db1d0b6d8…
2026-10-03 09:34REL-SNAP-060OK44 ms3132462a3db1d0b6d8…
2026-10-02 09:31REL-SNAP-059OK56 ms3132462a3db1d0b6d8…
2026-10-01 09:35REL-SNAP-058OK50 ms3132462a3db1d0b6d8…
2026-09-30 09:59REL-SNAP-057OK44 ms3132462a3db1d0b6d8…
2026-09-29 09:55REL-SNAP-056OK71 ms3132462a3db1d0b6d8…
2026-09-28 10:08REL-SNAP-055OK52 ms3132462a3db1d0b6d8…
2026-09-27 09:54REL-SNAP-054OK43 ms3132462a3db1d0b6d8…
2026-09-26 09:41REL-SNAP-053OK50 ms3132462a3db1d0b6d8…
2026-09-25 10:04REL-SNAP-052OK45 ms3132462a3db1d0b6d8…
2026-09-24 10:08REL-SNAP-051OK46 ms3132462a3db1d0b6d8…
2026-09-23 10:12REL-SNAP-050OK49 ms317fb1ec026d2e74a3…
2026-09-22 09:51REL-SNAP-049OK49 ms300ab5c0367c7f16a0…
2026-09-21 09:35REL-SNAP-048OK49 ms300ab5c0367c7f16a0…
2026-09-20 09:54REL-SNAP-047OK52 ms300ab5c0367c7f16a0…
2026-09-19 09:38REL-SNAP-046OK54 ms300ab5c0367c7f16a0…
2026-09-18 09:52REL-SNAP-045OK49 ms300ab5c0367c7f16a0…
2026-09-17 10:02REL-SNAP-044OK48 ms300ab5c0367c7f16a0…
2026-09-16 10:18REL-SNAP-043OK42 ms300ab5c0367c7f16a0…
2026-09-15 09:54REL-SNAP-042OK43 ms300ab5c0367c7f16a0…
2026-09-14 10:04REL-SNAP-041OK62 ms300ab5c0367c7f16a0…
2026-09-13 10:00REL-SNAP-040OK48 ms300ab5c0367c7f16a0…
2026-09-12 09:33REL-SNAP-039OK46 ms300ab5c0367c7f16a0…
2026-09-11 09:41REL-SNAP-038OK49 ms300ab5c0367c7f16a0…
2026-09-10 09:42REL-SNAP-037OK53 ms300ab5c0367c7f16a0…

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/cityhash-len/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.