MCP VerifyThe rating layer for AI agents

agent-observatory-sensor.nolimit-observatory.workers.dev/s/xxhash-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
bd836430636b58c2…changed 2 times on the record
Name reported by the server
xxHash hex length, input discardedself-reported, never used as identity
Registry names (not anchored)
io.github.sadri-dridi/xxhash-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 09:22REL-SNAP-084OK47 ms31bd836430636b58c2…
2026-10-26 09:22REL-SNAP-083OK58 ms31bd836430636b58c2…
2026-10-25 09:18REL-SNAP-082OK53 ms31bd836430636b58c2…
2026-10-24 09:17REL-SNAP-081OK52 ms31bd836430636b58c2…
2026-10-23 10:28REL-SNAP-080OK56 ms31bd836430636b58c2…
2026-10-22 10:04REL-SNAP-079OK41 ms31bd836430636b58c2…
2026-10-21 09:45REL-SNAP-078OK48 ms31bd836430636b58c2…
2026-10-20 10:14REL-SNAP-077OK63 ms31bd836430636b58c2…
Show all 48 observations
2026-10-19 10:25REL-SNAP-076OK57 ms31bd836430636b58c2…
2026-10-18 09:26REL-SNAP-075OK50 ms31bd836430636b58c2…
2026-10-17 09:25REL-SNAP-074OK44 ms31bd836430636b58c2…
2026-10-16 09:37REL-SNAP-073OK54 ms31bd836430636b58c2…
2026-10-15 09:41REL-SNAP-072OK48 ms31bd836430636b58c2…
2026-10-14 09:47REL-SNAP-071OK49 ms31bd836430636b58c2…
2026-10-13 09:49REL-SNAP-070OK54 ms31bd836430636b58c2…
2026-10-12 10:30REL-SNAP-069OK42 ms31bd836430636b58c2…
2026-10-11 09:23REL-SNAP-068OK52 ms31bd836430636b58c2…
2026-10-10 09:24REL-SNAP-067OK42 ms31bd836430636b58c2…
2026-10-09 09:27REL-SNAP-066OK46 ms31bd836430636b58c2…
2026-10-08 09:38REL-SNAP-065OK47 ms31bd836430636b58c2…
2026-10-07 09:49REL-SNAP-064OK51 ms31bd836430636b58c2…
2026-10-06 09:25REL-SNAP-063OK49 ms31bd836430636b58c2…
2026-10-05 10:13REL-SNAP-062OK56 ms31bd836430636b58c2…
2026-10-04 09:40REL-SNAP-061OK77 ms31bd836430636b58c2…
2026-10-03 09:33REL-SNAP-060OK55 ms31bd836430636b58c2…
2026-10-02 09:30REL-SNAP-059OK53 ms31bd836430636b58c2…
2026-10-01 09:34REL-SNAP-058OK51 ms31bd836430636b58c2…
2026-09-30 09:58REL-SNAP-057OK51 ms31bd836430636b58c2…
2026-09-29 09:54REL-SNAP-056OK44 ms31bd836430636b58c2…
2026-09-28 10:07REL-SNAP-055OK46 ms31bd836430636b58c2…
2026-09-27 09:53REL-SNAP-054OK42 ms31bd836430636b58c2…
2026-09-26 09:40REL-SNAP-053OK44 ms31bd836430636b58c2…
2026-09-25 10:03REL-SNAP-052OK47 ms31bd836430636b58c2…
2026-09-24 10:07REL-SNAP-051OK48 ms31bd836430636b58c2…
2026-09-23 10:11REL-SNAP-050OK56 ms31d78c76ef87ebcc09…
2026-09-22 09:50REL-SNAP-049OK54 ms30264bd4feaea3fa9f…
2026-09-21 09:34REL-SNAP-048OK53 ms30264bd4feaea3fa9f…
2026-09-20 09:53REL-SNAP-047OK50 ms30264bd4feaea3fa9f…
2026-09-19 09:37REL-SNAP-046OK89 ms30264bd4feaea3fa9f…
2026-09-18 09:52REL-SNAP-045OK45 ms30264bd4feaea3fa9f…
2026-09-17 10:02REL-SNAP-044OK51 ms30264bd4feaea3fa9f…
2026-09-16 10:17REL-SNAP-043OK46 ms30264bd4feaea3fa9f…
2026-09-15 09:53REL-SNAP-042OK47 ms30264bd4feaea3fa9f…
2026-09-14 10:03REL-SNAP-041OK50 ms30264bd4feaea3fa9f…
2026-09-13 10:00REL-SNAP-040OK47 ms30264bd4feaea3fa9f…
2026-09-12 09:32REL-SNAP-039OK50 ms30264bd4feaea3fa9f…
2026-09-11 09:41REL-SNAP-038OK50 ms30264bd4feaea3fa9f…
2026-09-10 09:41REL-SNAP-037OK54 ms30264bd4feaea3fa9f…

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/xxhash-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.