MCP VerifyThe rating layer for AI agents

agent-observatory-sensor.nolimit-observatory.workers.dev/s/viaf-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
0b55d85f757819be…changed 2 times on the record
Name reported by the server
VIAF digit id, value discardedself-reported, never used as identity
Registry names (not anchored)
io.github.sadri-dridi/viaf-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 09:26REL-SNAP-084OK84 ms310b55d85f757819be…
2026-10-26 09:26REL-SNAP-083OK59 ms310b55d85f757819be…
2026-10-25 09:22REL-SNAP-082OK46 ms310b55d85f757819be…
2026-10-24 09:21REL-SNAP-081OK46 ms310b55d85f757819be…
2026-10-23 10:32REL-SNAP-080OK52 ms310b55d85f757819be…
2026-10-22 10:07REL-SNAP-079OK348 ms310b55d85f757819be…
2026-10-21 09:49REL-SNAP-078OK53 ms310b55d85f757819be…
2026-10-20 10:18REL-SNAP-077OK60 ms310b55d85f757819be…
Show all 46 observations
2026-10-19 10:28REL-SNAP-076OK48 ms310b55d85f757819be…
2026-10-18 09:30REL-SNAP-075OK55 ms310b55d85f757819be…
2026-10-17 09:28REL-SNAP-074OK53 ms310b55d85f757819be…
2026-10-16 09:40REL-SNAP-073OK48 ms310b55d85f757819be…
2026-10-15 09:44REL-SNAP-072OK57 ms310b55d85f757819be…
2026-10-14 09:51REL-SNAP-071OK58 ms310b55d85f757819be…
2026-10-13 09:52REL-SNAP-070OK52 ms310b55d85f757819be…
2026-10-12 10:34REL-SNAP-069OK46 ms310b55d85f757819be…
2026-10-11 09:26REL-SNAP-068OK47 ms310b55d85f757819be…
2026-10-10 09:28REL-SNAP-067OK43 ms310b55d85f757819be…
2026-10-09 09:31REL-SNAP-066OK46 ms310b55d85f757819be…
2026-10-08 09:42REL-SNAP-065OK46 ms310b55d85f757819be…
2026-10-07 09:53REL-SNAP-064OK56 ms310b55d85f757819be…
2026-10-06 09:28REL-SNAP-063OK46 ms310b55d85f757819be…
2026-10-05 10:17REL-SNAP-062OK56 ms310b55d85f757819be…
2026-10-04 09:43REL-SNAP-061OK53 ms310b55d85f757819be…
2026-10-03 09:36REL-SNAP-060OK46 ms310b55d85f757819be…
2026-10-02 09:33REL-SNAP-059OK45 ms310b55d85f757819be…
2026-10-01 09:37REL-SNAP-058OK44 ms310b55d85f757819be…
2026-09-30 10:02REL-SNAP-057OK51 ms310b55d85f757819be…
2026-09-29 09:58REL-SNAP-056OK62 ms310b55d85f757819be…
2026-09-28 10:10REL-SNAP-055OK46 ms310b55d85f757819be…
2026-09-27 09:56REL-SNAP-054OK49 ms310b55d85f757819be…
2026-09-26 09:43REL-SNAP-053OK43 ms310b55d85f757819be…
2026-09-25 10:07REL-SNAP-052OK47 ms310b55d85f757819be…
2026-09-24 10:10REL-SNAP-051OK50 ms310b55d85f757819be…
2026-09-23 10:15REL-SNAP-050OK61 ms313c57b38bc165b399…
2026-09-22 09:53REL-SNAP-049OK54 ms307b2697c71494d920…
2026-09-21 09:37REL-SNAP-048OK43 ms307b2697c71494d920…
2026-09-20 09:56REL-SNAP-047OK45 ms307b2697c71494d920…
2026-09-19 09:40REL-SNAP-046OK44 ms307b2697c71494d920…
2026-09-18 09:55REL-SNAP-045OK51 ms307b2697c71494d920…
2026-09-17 10:05REL-SNAP-044OK45 ms307b2697c71494d920…
2026-09-16 10:20REL-SNAP-043OK46 ms307b2697c71494d920…
2026-09-15 09:56REL-SNAP-042OK54 ms307b2697c71494d920…
2026-09-14 10:06REL-SNAP-041OK61 ms307b2697c71494d920…
2026-09-13 10:03REL-SNAP-040OK53 ms307b2697c71494d920…
2026-09-12 09:35REL-SNAP-039OK55 ms307b2697c71494d920…

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/viaf-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.