MCP VerifyThe rating layer for AI agents

agent-observatory-sensor.nolimit-observatory.workers.dev/s/ulid-crock2/mcp

Graded A by MCP Verify under grade/v1, sealed in snapshot REL-SNAP-084 on 27 October 2026. Recorded reachable in 39 of 39 observations since 19 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-046 to REL-SNAP-058, A from REL-SNAP-059 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
a3fc52a0daea7195…changed 2 times on the record
Name reported by the server
ULID Crockford no-hyphen, value discardedself-reported, never used as identity
Registry names (not anchored)
io.github.sadri-dridi/ulid-crock2as the registry listed it; not covered by the chain
First and last observed
19 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 09:30REL-SNAP-084OK87 ms31a3fc52a0daea7195…
2026-10-26 09:30REL-SNAP-083OK53 ms31a3fc52a0daea7195…
2026-10-25 09:25REL-SNAP-082OK46 ms31a3fc52a0daea7195…
2026-10-24 09:24REL-SNAP-081OK46 ms31a3fc52a0daea7195…
2026-10-23 10:35REL-SNAP-080OK47 ms31a3fc52a0daea7195…
2026-10-22 10:10REL-SNAP-079OK36 ms31a3fc52a0daea7195…
2026-10-21 09:52REL-SNAP-078OK51 ms31a3fc52a0daea7195…
2026-10-20 10:21REL-SNAP-077OK63 ms31a3fc52a0daea7195…
Show all 39 observations
2026-10-19 10:31REL-SNAP-076OK60 ms31a3fc52a0daea7195…
2026-10-18 09:33REL-SNAP-075OK54 ms31a3fc52a0daea7195…
2026-10-17 09:31REL-SNAP-074OK52 ms31a3fc52a0daea7195…
2026-10-16 09:43REL-SNAP-073OK46 ms31a3fc52a0daea7195…
2026-10-15 09:48REL-SNAP-072OK46 ms31a3fc52a0daea7195…
2026-10-14 09:54REL-SNAP-071OK56 ms31a3fc52a0daea7195…
2026-10-13 09:55REL-SNAP-070OK50 ms31a3fc52a0daea7195…
2026-10-12 10:37REL-SNAP-069OK45 ms31a3fc52a0daea7195…
2026-10-11 09:29REL-SNAP-068OK51 ms31a3fc52a0daea7195…
2026-10-10 09:31REL-SNAP-067OK43 ms31a3fc52a0daea7195…
2026-10-09 09:34REL-SNAP-066OK48 ms31a3fc52a0daea7195…
2026-10-08 09:45REL-SNAP-065OK50 ms31a3fc52a0daea7195…
2026-10-07 09:56REL-SNAP-064OK50 ms31a3fc52a0daea7195…
2026-10-06 09:31REL-SNAP-063OK55 ms31a3fc52a0daea7195…
2026-10-05 10:20REL-SNAP-062OK53 ms31a3fc52a0daea7195…
2026-10-04 09:46REL-SNAP-061OK50 ms31a3fc52a0daea7195…
2026-10-03 09:40REL-SNAP-060OK85 ms31a3fc52a0daea7195…
2026-10-02 09:37REL-SNAP-059OK47 ms31a3fc52a0daea7195…
2026-10-01 09:41REL-SNAP-058OK44 ms31a3fc52a0daea7195…
2026-09-30 10:05REL-SNAP-057OK59 ms31a3fc52a0daea7195…
2026-09-29 10:01REL-SNAP-056OK49 ms31a3fc52a0daea7195…
2026-09-28 10:13REL-SNAP-055OK51 ms31a3fc52a0daea7195…
2026-09-27 09:59REL-SNAP-054OK49 ms31a3fc52a0daea7195…
2026-09-26 09:47REL-SNAP-053OK51 ms31a3fc52a0daea7195…
2026-09-25 10:10REL-SNAP-052OK55 ms31a3fc52a0daea7195…
2026-09-24 10:13REL-SNAP-051OK54 ms31a3fc52a0daea7195…
2026-09-23 10:18REL-SNAP-050OK53 ms31449043ffcc5d06ae…
2026-09-22 09:57REL-SNAP-049OK49 ms3093000f517fec12d9…
2026-09-21 09:40REL-SNAP-048OK64 ms3093000f517fec12d9…
2026-09-20 09:59REL-SNAP-047OK55 ms3093000f517fec12d9…
2026-09-19 09:43REL-SNAP-046OK56 ms3093000f517fec12d9…

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/ulid-crock2/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.