MCP VerifyThe rating layer for AI agents

agent-observatory-sensor.nolimit-observatory.workers.dev/s/xxh64-len/mcp

Graded A by MCP Verify under grade/v1, sealed in snapshot REL-SNAP-084 on 27 October 2026. Recorded reachable in 47 of 47 observations since 11 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-038 to REL-SNAP-050, A from REL-SNAP-051 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
412b2968770d504d…changed 2 times on the record
Name reported by the server
XXH64 hex length, input discardedself-reported, never used as identity
Registry names (not anchored)
io.github.sadri-dridi/xxh64-lenas the registry listed it; not covered by the chain
First and last observed
11 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 09:24REL-SNAP-084OK84 ms31412b2968770d504d…
2026-10-26 09:25REL-SNAP-083OK72 ms31412b2968770d504d…
2026-10-25 09:20REL-SNAP-082OK75 ms31412b2968770d504d…
2026-10-24 09:19REL-SNAP-081OK45 ms31412b2968770d504d…
2026-10-23 10:31REL-SNAP-080OK50 ms31412b2968770d504d…
2026-10-22 10:06REL-SNAP-079OK31 ms31412b2968770d504d…
2026-10-21 09:47REL-SNAP-078OK47 ms31412b2968770d504d…
2026-10-20 10:16REL-SNAP-077OK52 ms31412b2968770d504d…
Show all 47 observations
2026-10-19 10:27REL-SNAP-076OK59 ms31412b2968770d504d…
2026-10-18 09:28REL-SNAP-075OK88 ms31412b2968770d504d…
2026-10-17 09:27REL-SNAP-074OK44 ms31412b2968770d504d…
2026-10-16 09:39REL-SNAP-073OK46 ms31412b2968770d504d…
2026-10-15 09:43REL-SNAP-072OK83 ms31412b2968770d504d…
2026-10-14 09:49REL-SNAP-071OK93 ms31412b2968770d504d…
2026-10-13 09:51REL-SNAP-070OK60 ms31412b2968770d504d…
2026-10-12 10:33REL-SNAP-069OK46 ms31412b2968770d504d…
2026-10-11 09:25REL-SNAP-068OK46 ms31412b2968770d504d…
2026-10-10 09:26REL-SNAP-067OK42 ms31412b2968770d504d…
2026-10-09 09:29REL-SNAP-066OK53 ms31412b2968770d504d…
2026-10-08 09:40REL-SNAP-065OK57 ms31412b2968770d504d…
2026-10-07 09:52REL-SNAP-064OK57 ms31412b2968770d504d…
2026-10-06 09:27REL-SNAP-063OK52 ms31412b2968770d504d…
2026-10-05 10:15REL-SNAP-062OK42 ms31412b2968770d504d…
2026-10-04 09:42REL-SNAP-061OK50 ms31412b2968770d504d…
2026-10-03 09:35REL-SNAP-060OK49 ms31412b2968770d504d…
2026-10-02 09:32REL-SNAP-059OK53 ms31412b2968770d504d…
2026-10-01 09:36REL-SNAP-058OK51 ms31412b2968770d504d…
2026-09-30 10:01REL-SNAP-057OK56 ms31412b2968770d504d…
2026-09-29 09:57REL-SNAP-056OK55 ms31412b2968770d504d…
2026-09-28 10:09REL-SNAP-055OK58 ms31412b2968770d504d…
2026-09-27 09:55REL-SNAP-054OK48 ms31412b2968770d504d…
2026-09-26 09:42REL-SNAP-053OK79 ms31412b2968770d504d…
2026-09-25 10:05REL-SNAP-052OK46 ms31412b2968770d504d…
2026-09-24 10:09REL-SNAP-051OK56 ms31412b2968770d504d…
2026-09-23 10:13REL-SNAP-050OK80 ms31b74565a1f9baf517…
2026-09-22 09:52REL-SNAP-049OK59 ms30f73e288466625514…
2026-09-21 09:36REL-SNAP-048OK48 ms30f73e288466625514…
2026-09-20 09:55REL-SNAP-047OK43 ms30f73e288466625514…
2026-09-19 09:39REL-SNAP-046OK51 ms30f73e288466625514…
2026-09-18 09:54REL-SNAP-045OK52 ms30f73e288466625514…
2026-09-17 10:04REL-SNAP-044OK49 ms30f73e288466625514…
2026-09-16 10:19REL-SNAP-043OK47 ms30f73e288466625514…
2026-09-15 09:55REL-SNAP-042OK50 ms30f73e288466625514…
2026-09-14 10:05REL-SNAP-041OK45 ms30f73e288466625514…
2026-09-13 10:02REL-SNAP-040OK52 ms30f73e288466625514…
2026-09-12 09:34REL-SNAP-039OK48 ms30f73e288466625514…
2026-09-11 09:43REL-SNAP-038OK45 ms30f73e288466625514…

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/xxh64-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.