MCP VerifyThe rating layer for AI agents

agent-observatory-sensor.nolimit-observatory.workers.dev/s/xxh3-128/mcp

Graded A by MCP Verify under grade/v1, sealed in snapshot REL-SNAP-084 on 27 October 2026. Recorded reachable in 40 of 40 observations since 18 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-045 to REL-SNAP-057, A from REL-SNAP-058 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
9b83eb034fbb75f3…changed 2 times on the record
Name reported by the server
XXH3-128 hex length, input discardedself-reported, never used as identity
Registry names (not anchored)
io.github.sadri-dridi/xxh3-128as the registry listed it; not covered by the chain
First and last observed
18 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 09:29REL-SNAP-084OK59 ms319b83eb034fbb75f3…
2026-10-26 09:29REL-SNAP-083OK59 ms319b83eb034fbb75f3…
2026-10-25 09:25REL-SNAP-082OK65 ms319b83eb034fbb75f3…
2026-10-24 09:23REL-SNAP-081OK89 ms319b83eb034fbb75f3…
2026-10-23 10:35REL-SNAP-080OK49 ms319b83eb034fbb75f3…
2026-10-22 10:10REL-SNAP-079OK32 ms319b83eb034fbb75f3…
2026-10-21 09:51REL-SNAP-078OK48 ms319b83eb034fbb75f3…
2026-10-20 10:20REL-SNAP-077OK54 ms319b83eb034fbb75f3…
Show all 40 observations
2026-10-19 10:31REL-SNAP-076OK90 ms319b83eb034fbb75f3…
2026-10-18 09:32REL-SNAP-075OK44 ms319b83eb034fbb75f3…
2026-10-17 09:31REL-SNAP-074OK45 ms319b83eb034fbb75f3…
2026-10-16 09:42REL-SNAP-073OK53 ms319b83eb034fbb75f3…
2026-10-15 09:47REL-SNAP-072OK56 ms319b83eb034fbb75f3…
2026-10-14 09:53REL-SNAP-071OK47 ms319b83eb034fbb75f3…
2026-10-13 09:55REL-SNAP-070OK60 ms319b83eb034fbb75f3…
2026-10-12 10:36REL-SNAP-069OK53 ms319b83eb034fbb75f3…
2026-10-11 09:29REL-SNAP-068OK59 ms319b83eb034fbb75f3…
2026-10-10 09:30REL-SNAP-067OK46 ms319b83eb034fbb75f3…
2026-10-09 09:33REL-SNAP-066OK48 ms319b83eb034fbb75f3…
2026-10-08 09:44REL-SNAP-065OK53 ms319b83eb034fbb75f3…
2026-10-07 09:56REL-SNAP-064OK59 ms319b83eb034fbb75f3…
2026-10-06 09:30REL-SNAP-063OK45 ms319b83eb034fbb75f3…
2026-10-05 10:19REL-SNAP-062OK55 ms319b83eb034fbb75f3…
2026-10-04 09:46REL-SNAP-061OK46 ms319b83eb034fbb75f3…
2026-10-03 09:39REL-SNAP-060OK43 ms319b83eb034fbb75f3…
2026-10-02 09:36REL-SNAP-059OK50 ms319b83eb034fbb75f3…
2026-10-01 09:40REL-SNAP-058OK48 ms319b83eb034fbb75f3…
2026-09-30 10:04REL-SNAP-057OK64 ms319b83eb034fbb75f3…
2026-09-29 10:00REL-SNAP-056OK47 ms319b83eb034fbb75f3…
2026-09-28 10:13REL-SNAP-055OK46 ms319b83eb034fbb75f3…
2026-09-27 09:59REL-SNAP-054OK85 ms319b83eb034fbb75f3…
2026-09-26 09:46REL-SNAP-053OK43 ms319b83eb034fbb75f3…
2026-09-25 10:09REL-SNAP-052OK54 ms319b83eb034fbb75f3…
2026-09-24 10:13REL-SNAP-051OK60 ms319b83eb034fbb75f3…
2026-09-23 10:17REL-SNAP-050OK48 ms318428103174660689…
2026-09-22 09:56REL-SNAP-049OK51 ms30ea451a8557f7cba6…
2026-09-21 09:40REL-SNAP-048OK82 ms30ea451a8557f7cba6…
2026-09-20 09:59REL-SNAP-047OK43 ms30ea451a8557f7cba6…
2026-09-19 09:43REL-SNAP-046OK54 ms30ea451a8557f7cba6…
2026-09-18 09:57REL-SNAP-045OK50 ms30ea451a8557f7cba6…

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/xxh3-128/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.