MCP VerifyThe rating layer for AI agents

agent-observatory-sensor.nolimit-observatory.workers.dev/s/hkdf-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
17467c0248be3952…changed 2 times on the record
Name reported by the server
HKDF-SHA256 output length, input discardedself-reported, never used as identity
Registry names (not anchored)
io.github.sadri-dridi/hkdf-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 09:23REL-SNAP-084OK55 ms3117467c0248be3952…
2026-10-26 09:23REL-SNAP-083OK49 ms3117467c0248be3952…
2026-10-25 09:19REL-SNAP-082OK69 ms3117467c0248be3952…
2026-10-24 09:18REL-SNAP-081OK44 ms3117467c0248be3952…
2026-10-23 10:30REL-SNAP-080OK55 ms3117467c0248be3952…
2026-10-22 10:05REL-SNAP-079OK41 ms3117467c0248be3952…
2026-10-21 09:46REL-SNAP-078OK72 ms3117467c0248be3952…
2026-10-20 10:15REL-SNAP-077OK80 ms3117467c0248be3952…
Show all 47 observations
2026-10-19 10:26REL-SNAP-076OK62 ms3117467c0248be3952…
2026-10-18 09:27REL-SNAP-075OK52 ms3117467c0248be3952…
2026-10-17 09:26REL-SNAP-074OK52 ms3117467c0248be3952…
2026-10-16 09:38REL-SNAP-073OK43 ms3117467c0248be3952…
2026-10-15 09:42REL-SNAP-072OK52 ms3117467c0248be3952…
2026-10-14 09:48REL-SNAP-071OK45 ms3117467c0248be3952…
2026-10-13 09:50REL-SNAP-070OK56 ms3117467c0248be3952…
2026-10-12 10:32REL-SNAP-069OK60 ms3117467c0248be3952…
2026-10-11 09:24REL-SNAP-068OK44 ms3117467c0248be3952…
2026-10-10 09:26REL-SNAP-067OK46 ms3117467c0248be3952…
2026-10-09 09:28REL-SNAP-066OK82 ms3117467c0248be3952…
2026-10-08 09:39REL-SNAP-065OK78 ms3117467c0248be3952…
2026-10-07 09:51REL-SNAP-064OK86 ms3117467c0248be3952…
2026-10-06 09:26REL-SNAP-063OK45 ms3117467c0248be3952…
2026-10-05 10:14REL-SNAP-062OK46 ms3117467c0248be3952…
2026-10-04 09:41REL-SNAP-061OK46 ms3117467c0248be3952…
2026-10-03 09:34REL-SNAP-060OK42 ms3117467c0248be3952…
2026-10-02 09:31REL-SNAP-059OK44 ms3117467c0248be3952…
2026-10-01 09:35REL-SNAP-058OK51 ms3117467c0248be3952…
2026-09-30 10:00REL-SNAP-057OK44 ms3117467c0248be3952…
2026-09-29 09:56REL-SNAP-056OK55 ms3117467c0248be3952…
2026-09-28 10:08REL-SNAP-055OK49 ms3117467c0248be3952…
2026-09-27 09:54REL-SNAP-054OK46 ms3117467c0248be3952…
2026-09-26 09:41REL-SNAP-053OK48 ms3117467c0248be3952…
2026-09-25 10:04REL-SNAP-052OK60 ms3117467c0248be3952…
2026-09-24 10:08REL-SNAP-051OK53 ms3117467c0248be3952…
2026-09-23 10:12REL-SNAP-050OK54 ms31b3b1475f7040744d…
2026-09-22 09:51REL-SNAP-049OK48 ms306fddc18085d3c6ad…
2026-09-21 09:35REL-SNAP-048OK44 ms306fddc18085d3c6ad…
2026-09-20 09:54REL-SNAP-047OK45 ms306fddc18085d3c6ad…
2026-09-19 09:38REL-SNAP-046OK42 ms306fddc18085d3c6ad…
2026-09-18 09:53REL-SNAP-045OK52 ms306fddc18085d3c6ad…
2026-09-17 10:03REL-SNAP-044OK46 ms306fddc18085d3c6ad…
2026-09-16 10:18REL-SNAP-043OK51 ms306fddc18085d3c6ad…
2026-09-15 09:54REL-SNAP-042OK43 ms306fddc18085d3c6ad…
2026-09-14 10:04REL-SNAP-041OK62 ms306fddc18085d3c6ad…
2026-09-13 10:01REL-SNAP-040OK47 ms306fddc18085d3c6ad…
2026-09-12 09:33REL-SNAP-039OK48 ms306fddc18085d3c6ad…
2026-09-11 09:42REL-SNAP-038OK57 ms306fddc18085d3c6ad…

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/hkdf-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.