MCP VerifyThe rating layer for AI agents

agent-observatory-sensor.nolimit-observatory.workers.dev/s/arc-ok/mcp

Graded A by MCP Verify under grade/v1, sealed in snapshot REL-SNAP-084 on 27 October 2026. Recorded reachable in 46 of 46 observations since 12 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-039 to REL-SNAP-051, A from REL-SNAP-052 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
1dfbe33513e63f0d…changed 2 times on the record
Name reported by the server
ARC-Seal tag count, value discardedself-reported, never used as identity
Registry names (not anchored)
io.github.sadri-dridi/arc-okas the registry listed it; not covered by the chain
First and last observed
12 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-084OK55 ms311dfbe33513e63f0d…
2026-10-26 09:26REL-SNAP-083OK56 ms311dfbe33513e63f0d…
2026-10-25 09:21REL-SNAP-082OK55 ms311dfbe33513e63f0d…
2026-10-24 09:20REL-SNAP-081OK48 ms311dfbe33513e63f0d…
2026-10-23 10:32REL-SNAP-080OK48 ms311dfbe33513e63f0d…
2026-10-22 10:07REL-SNAP-079OK56 ms311dfbe33513e63f0d…
2026-10-21 09:48REL-SNAP-078OK62 ms311dfbe33513e63f0d…
2026-10-20 10:17REL-SNAP-077OK46 ms311dfbe33513e63f0d…
Show all 46 observations
2026-10-19 10:28REL-SNAP-076OK50 ms311dfbe33513e63f0d…
2026-10-18 09:29REL-SNAP-075OK48 ms311dfbe33513e63f0d…
2026-10-17 09:28REL-SNAP-074OK51 ms311dfbe33513e63f0d…
2026-10-16 09:40REL-SNAP-073OK45 ms311dfbe33513e63f0d…
2026-10-15 09:44REL-SNAP-072OK85 ms311dfbe33513e63f0d…
2026-10-14 09:50REL-SNAP-071OK44 ms311dfbe33513e63f0d…
2026-10-13 09:52REL-SNAP-070OK49 ms311dfbe33513e63f0d…
2026-10-12 10:33REL-SNAP-069OK45 ms311dfbe33513e63f0d…
2026-10-11 09:26REL-SNAP-068OK44 ms311dfbe33513e63f0d…
2026-10-10 09:27REL-SNAP-067OK42 ms311dfbe33513e63f0d…
2026-10-09 09:30REL-SNAP-066OK55 ms311dfbe33513e63f0d…
2026-10-08 09:41REL-SNAP-065OK56 ms311dfbe33513e63f0d…
2026-10-07 09:52REL-SNAP-064OK55 ms311dfbe33513e63f0d…
2026-10-06 09:27REL-SNAP-063OK45 ms311dfbe33513e63f0d…
2026-10-05 10:16REL-SNAP-062OK53 ms311dfbe33513e63f0d…
2026-10-04 09:43REL-SNAP-061OK43 ms311dfbe33513e63f0d…
2026-10-03 09:36REL-SNAP-060OK48 ms311dfbe33513e63f0d…
2026-10-02 09:33REL-SNAP-059OK52 ms311dfbe33513e63f0d…
2026-10-01 09:37REL-SNAP-058OK52 ms311dfbe33513e63f0d…
2026-09-30 10:01REL-SNAP-057OK48 ms311dfbe33513e63f0d…
2026-09-29 09:57REL-SNAP-056OK49 ms311dfbe33513e63f0d…
2026-09-28 10:10REL-SNAP-055OK46 ms311dfbe33513e63f0d…
2026-09-27 09:56REL-SNAP-054OK54 ms311dfbe33513e63f0d…
2026-09-26 09:43REL-SNAP-053OK42 ms311dfbe33513e63f0d…
2026-09-25 10:06REL-SNAP-052OK46 ms311dfbe33513e63f0d…
2026-09-24 10:10REL-SNAP-051OK49 ms311dfbe33513e63f0d…
2026-09-23 10:14REL-SNAP-050OK82 ms31a7d81e9f5510be2e…
2026-09-22 09:53REL-SNAP-049OK49 ms3016e97abbbe3ead55…
2026-09-21 09:37REL-SNAP-048OK59 ms3016e97abbbe3ead55…
2026-09-20 09:56REL-SNAP-047OK43 ms3016e97abbbe3ead55…
2026-09-19 09:40REL-SNAP-046OK44 ms3016e97abbbe3ead55…
2026-09-18 09:54REL-SNAP-045OK60 ms3016e97abbbe3ead55…
2026-09-17 10:04REL-SNAP-044OK54 ms3016e97abbbe3ead55…
2026-09-16 10:20REL-SNAP-043OK42 ms3016e97abbbe3ead55…
2026-09-15 09:56REL-SNAP-042OK51 ms3016e97abbbe3ead55…
2026-09-14 10:06REL-SNAP-041OK50 ms3016e97abbbe3ead55…
2026-09-13 10:02REL-SNAP-040OK48 ms3016e97abbbe3ead55…
2026-09-12 09:35REL-SNAP-039OK58 ms3016e97abbbe3ead55…

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/arc-ok/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.