MCP VerifyThe rating layer for AI agents

agent-observatory-sensor.nolimit-observatory.workers.dev/s/xxh3-64/mcp

Graded A by MCP Verify under grade/v1, sealed in snapshot REL-SNAP-084 on 27 October 2026. Recorded reachable in 41 of 41 observations since 17 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-044 to REL-SNAP-056, A from REL-SNAP-057 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
3dcb44d4919cfc6d…changed 2 times on the record
Name reported by the server
XXH3-64 hex length, input discardedself-reported, never used as identity
Registry names (not anchored)
io.github.sadri-dridi/xxh3-64as the registry listed it; not covered by the chain
First and last observed
17 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 09:28REL-SNAP-084OK62 ms313dcb44d4919cfc6d…
2026-10-26 09:29REL-SNAP-083OK48 ms313dcb44d4919cfc6d…
2026-10-25 09:24REL-SNAP-082OK54 ms313dcb44d4919cfc6d…
2026-10-24 09:23REL-SNAP-081OK49 ms313dcb44d4919cfc6d…
2026-10-23 10:34REL-SNAP-080OK59 ms313dcb44d4919cfc6d…
2026-10-22 10:10REL-SNAP-079OK37 ms313dcb44d4919cfc6d…
2026-10-21 09:51REL-SNAP-078OK59 ms313dcb44d4919cfc6d…
2026-10-20 10:20REL-SNAP-077OK46 ms313dcb44d4919cfc6d…
Show all 41 observations
2026-10-19 10:30REL-SNAP-076OK58 ms313dcb44d4919cfc6d…
2026-10-18 09:32REL-SNAP-075OK50 ms313dcb44d4919cfc6d…
2026-10-17 09:30REL-SNAP-074OK46 ms313dcb44d4919cfc6d…
2026-10-16 09:42REL-SNAP-073OK53 ms313dcb44d4919cfc6d…
2026-10-15 09:46REL-SNAP-072OK46 ms313dcb44d4919cfc6d…
2026-10-14 09:53REL-SNAP-071OK47 ms313dcb44d4919cfc6d…
2026-10-13 09:54REL-SNAP-070OK44 ms313dcb44d4919cfc6d…
2026-10-12 10:36REL-SNAP-069OK49 ms313dcb44d4919cfc6d…
2026-10-11 09:28REL-SNAP-068OK50 ms313dcb44d4919cfc6d…
2026-10-10 09:30REL-SNAP-067OK52 ms313dcb44d4919cfc6d…
2026-10-09 09:33REL-SNAP-066OK44 ms313dcb44d4919cfc6d…
2026-10-08 09:44REL-SNAP-065OK54 ms313dcb44d4919cfc6d…
2026-10-07 09:55REL-SNAP-064OK49 ms313dcb44d4919cfc6d…
2026-10-06 09:30REL-SNAP-063OK53 ms313dcb44d4919cfc6d…
2026-10-05 10:19REL-SNAP-062OK42 ms313dcb44d4919cfc6d…
2026-10-04 09:45REL-SNAP-061OK41 ms313dcb44d4919cfc6d…
2026-10-03 09:39REL-SNAP-060OK46 ms313dcb44d4919cfc6d…
2026-10-02 09:36REL-SNAP-059OK45 ms313dcb44d4919cfc6d…
2026-10-01 09:40REL-SNAP-058OK80 ms313dcb44d4919cfc6d…
2026-09-30 10:04REL-SNAP-057OK44 ms313dcb44d4919cfc6d…
2026-09-29 10:00REL-SNAP-056OK57 ms313dcb44d4919cfc6d…
2026-09-28 10:12REL-SNAP-055OK45 ms313dcb44d4919cfc6d…
2026-09-27 09:58REL-SNAP-054OK48 ms313dcb44d4919cfc6d…
2026-09-26 09:46REL-SNAP-053OK80 ms313dcb44d4919cfc6d…
2026-09-25 10:09REL-SNAP-052OK53 ms313dcb44d4919cfc6d…
2026-09-24 10:12REL-SNAP-051OK51 ms313dcb44d4919cfc6d…
2026-09-23 10:17REL-SNAP-050OK46 ms31bccf2f33a3977b5c…
2026-09-22 09:56REL-SNAP-049OK82 ms30e31930c09c5ebf50…
2026-09-21 09:40REL-SNAP-048OK53 ms30e31930c09c5ebf50…
2026-09-20 09:58REL-SNAP-047OK51 ms30e31930c09c5ebf50…
2026-09-19 09:43REL-SNAP-046OK56 ms30e31930c09c5ebf50…
2026-09-18 09:57REL-SNAP-045OK51 ms30e31930c09c5ebf50…
2026-09-17 10:07REL-SNAP-044OK43 ms30e31930c09c5ebf50…

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/xxh3-64/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.