MCP VerifyThe rating layer for AI agents

agent-observatory-sensor.nolimit-observatory.workers.dev/s/hmac1-len/mcp

Graded A by MCP Verify under grade/v1, sealed in snapshot REL-SNAP-084 on 27 October 2026. Recorded reachable in 40 of 40 observations since 18 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-045 to REL-SNAP-057, A from REL-SNAP-058 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
0c997b00fda1a0e2…changed 2 times on the record
Name reported by the server
HMAC-SHA1 hex length, input discardedself-reported, never used as identity
Registry names (not anchored)
io.github.sadri-dridi/hmac1-lenas the registry listed it; not covered by the chain
First and last observed
18 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 09:29REL-SNAP-084OK56 ms310c997b00fda1a0e2…
2026-10-26 09:29REL-SNAP-083OK59 ms310c997b00fda1a0e2…
2026-10-25 09:25REL-SNAP-082OK56 ms310c997b00fda1a0e2…
2026-10-24 09:23REL-SNAP-081OK88 ms310c997b00fda1a0e2…
2026-10-23 10:35REL-SNAP-080OK82 ms310c997b00fda1a0e2…
2026-10-22 10:10REL-SNAP-079OK53 ms310c997b00fda1a0e2…
2026-10-21 09:52REL-SNAP-078OK70 ms310c997b00fda1a0e2…
2026-10-20 10:20REL-SNAP-077OK46 ms310c997b00fda1a0e2…
Show all 40 observations
2026-10-19 10:31REL-SNAP-076OK47 ms310c997b00fda1a0e2…
2026-10-18 09:32REL-SNAP-075OK54 ms310c997b00fda1a0e2…
2026-10-17 09:31REL-SNAP-074OK79 ms310c997b00fda1a0e2…
2026-10-16 09:43REL-SNAP-073OK46 ms310c997b00fda1a0e2…
2026-10-15 09:47REL-SNAP-072OK46 ms310c997b00fda1a0e2…
2026-10-14 09:53REL-SNAP-071OK46 ms310c997b00fda1a0e2…
2026-10-13 09:55REL-SNAP-070OK44 ms310c997b00fda1a0e2…
2026-10-12 10:36REL-SNAP-069OK44 ms310c997b00fda1a0e2…
2026-10-11 09:29REL-SNAP-068OK41 ms310c997b00fda1a0e2…
2026-10-10 09:30REL-SNAP-067OK51 ms310c997b00fda1a0e2…
2026-10-09 09:33REL-SNAP-066OK78 ms310c997b00fda1a0e2…
2026-10-08 09:44REL-SNAP-065OK46 ms310c997b00fda1a0e2…
2026-10-07 09:56REL-SNAP-064OK49 ms310c997b00fda1a0e2…
2026-10-06 09:31REL-SNAP-063OK58 ms310c997b00fda1a0e2…
2026-10-05 10:19REL-SNAP-062OK41 ms310c997b00fda1a0e2…
2026-10-04 09:46REL-SNAP-061OK46 ms310c997b00fda1a0e2…
2026-10-03 09:39REL-SNAP-060OK50 ms310c997b00fda1a0e2…
2026-10-02 09:36REL-SNAP-059OK54 ms310c997b00fda1a0e2…
2026-10-01 09:40REL-SNAP-058OK51 ms310c997b00fda1a0e2…
2026-09-30 10:05REL-SNAP-057OK50 ms310c997b00fda1a0e2…
2026-09-29 10:00REL-SNAP-056OK43 ms310c997b00fda1a0e2…
2026-09-28 10:13REL-SNAP-055OK46 ms310c997b00fda1a0e2…
2026-09-27 09:59REL-SNAP-054OK52 ms310c997b00fda1a0e2…
2026-09-26 09:46REL-SNAP-053OK47 ms310c997b00fda1a0e2…
2026-09-25 10:09REL-SNAP-052OK46 ms310c997b00fda1a0e2…
2026-09-24 10:13REL-SNAP-051OK49 ms310c997b00fda1a0e2…
2026-09-23 10:17REL-SNAP-050OK65 ms31afb56ae44968ad6f…
2026-09-22 09:56REL-SNAP-049OK45 ms309548c637456733a4…
2026-09-21 09:40REL-SNAP-048OK52 ms309548c637456733a4…
2026-09-20 09:59REL-SNAP-047OK48 ms309548c637456733a4…
2026-09-19 09:43REL-SNAP-046OK52 ms309548c637456733a4…
2026-09-18 09:57REL-SNAP-045OK60 ms309548c637456733a4…

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/hmac1-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.