MCP VerifyThe rating layer for AI agents

agent-observatory-sensor.nolimit-observatory.workers.dev/s/blake2s-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
5d6260148711d878…changed 2 times on the record
Name reported by the server
BLAKE2s hex length, input discardedself-reported, never used as identity
Registry names (not anchored)
io.github.sadri-dridi/blake2s-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 09:25REL-SNAP-084OK45 ms315d6260148711d878…
2026-10-26 09:25REL-SNAP-083OK70 ms315d6260148711d878…
2026-10-25 09:21REL-SNAP-082OK55 ms315d6260148711d878…
2026-10-24 09:20REL-SNAP-081OK46 ms315d6260148711d878…
2026-10-23 10:31REL-SNAP-080OK47 ms315d6260148711d878…
2026-10-22 10:07REL-SNAP-079OK31 ms315d6260148711d878…
2026-10-21 09:48REL-SNAP-078OK50 ms315d6260148711d878…
2026-10-20 10:17REL-SNAP-077OK46 ms315d6260148711d878…
Show all 47 observations
2026-10-19 10:28REL-SNAP-076OK51 ms315d6260148711d878…
2026-10-18 09:29REL-SNAP-075OK46 ms315d6260148711d878…
2026-10-17 09:27REL-SNAP-074OK57 ms315d6260148711d878…
2026-10-16 09:39REL-SNAP-073OK46 ms315d6260148711d878…
2026-10-15 09:43REL-SNAP-072OK47 ms315d6260148711d878…
2026-10-14 09:50REL-SNAP-071OK54 ms315d6260148711d878…
2026-10-13 09:52REL-SNAP-070OK48 ms315d6260148711d878…
2026-10-12 10:33REL-SNAP-069OK59 ms315d6260148711d878…
2026-10-11 09:25REL-SNAP-068OK51 ms315d6260148711d878…
2026-10-10 09:27REL-SNAP-067OK44 ms315d6260148711d878…
2026-10-09 09:30REL-SNAP-066OK49 ms315d6260148711d878…
2026-10-08 09:41REL-SNAP-065OK47 ms315d6260148711d878…
2026-10-07 09:52REL-SNAP-064OK57 ms315d6260148711d878…
2026-10-06 09:27REL-SNAP-063OK54 ms315d6260148711d878…
2026-10-05 10:16REL-SNAP-062OK43 ms315d6260148711d878…
2026-10-04 09:43REL-SNAP-061OK43 ms315d6260148711d878…
2026-10-03 09:36REL-SNAP-060OK50 ms315d6260148711d878…
2026-10-02 09:33REL-SNAP-059OK53 ms315d6260148711d878…
2026-10-01 09:37REL-SNAP-058OK45 ms315d6260148711d878…
2026-09-30 10:01REL-SNAP-057OK51 ms315d6260148711d878…
2026-09-29 09:57REL-SNAP-056OK53 ms315d6260148711d878…
2026-09-28 10:10REL-SNAP-055OK56 ms315d6260148711d878…
2026-09-27 09:55REL-SNAP-054OK45 ms315d6260148711d878…
2026-09-26 09:43REL-SNAP-053OK47 ms315d6260148711d878…
2026-09-25 10:06REL-SNAP-052OK46 ms315d6260148711d878…
2026-09-24 10:09REL-SNAP-051OK63 ms315d6260148711d878…
2026-09-23 10:14REL-SNAP-050OK57 ms3163783a64a84403a8…
2026-09-22 09:53REL-SNAP-049OK48 ms3063100422f1bc8820…
2026-09-21 09:37REL-SNAP-048OK46 ms3063100422f1bc8820…
2026-09-20 09:56REL-SNAP-047OK55 ms3063100422f1bc8820…
2026-09-19 09:40REL-SNAP-046OK44 ms3063100422f1bc8820…
2026-09-18 09:54REL-SNAP-045OK43 ms3063100422f1bc8820…
2026-09-17 10:04REL-SNAP-044OK46 ms3063100422f1bc8820…
2026-09-16 10:20REL-SNAP-043OK44 ms3063100422f1bc8820…
2026-09-15 09:55REL-SNAP-042OK44 ms3063100422f1bc8820…
2026-09-14 10:06REL-SNAP-041OK97 ms3063100422f1bc8820…
2026-09-13 10:02REL-SNAP-040OK49 ms3063100422f1bc8820…
2026-09-12 09:35REL-SNAP-039OK46 ms3063100422f1bc8820…
2026-09-11 09:43REL-SNAP-038OK126 ms3063100422f1bc8820…

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/blake2s-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.