MCP VerifyThe rating layer for AI agents

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

Graded A by MCP Verify under grade/v1, sealed in snapshot REL-SNAP-084 on 27 October 2026. Recorded reachable in 48 of 48 observations since 10 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-037 to REL-SNAP-049, A from REL-SNAP-050 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
5f7e3dc075c4254e…changed 2 times on the record
Name reported by the server
Square-bracket id shape, value discardedself-reported, never used as identity
Registry names (not anchored)
io.github.sadri-dridi/square-okas the registry listed it; not covered by the chain
First and last observed
10 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 09:22REL-SNAP-084OK49 ms315f7e3dc075c4254e…
2026-10-26 09:22REL-SNAP-083OK50 ms315f7e3dc075c4254e…
2026-10-25 09:19REL-SNAP-082OK44 ms315f7e3dc075c4254e…
2026-10-24 09:18REL-SNAP-081OK60 ms315f7e3dc075c4254e…
2026-10-23 10:29REL-SNAP-080OK52 ms315f7e3dc075c4254e…
2026-10-22 10:05REL-SNAP-079OK32 ms315f7e3dc075c4254e…
2026-10-21 09:46REL-SNAP-078OK65 ms315f7e3dc075c4254e…
2026-10-20 10:14REL-SNAP-077OK240 ms315f7e3dc075c4254e…
Show all 48 observations
2026-10-19 10:25REL-SNAP-076OK46 ms315f7e3dc075c4254e…
2026-10-18 09:27REL-SNAP-075OK61 ms315f7e3dc075c4254e…
2026-10-17 09:25REL-SNAP-074OK53 ms315f7e3dc075c4254e…
2026-10-16 09:37REL-SNAP-073OK48 ms315f7e3dc075c4254e…
2026-10-15 09:41REL-SNAP-072OK77 ms315f7e3dc075c4254e…
2026-10-14 09:48REL-SNAP-071OK63 ms315f7e3dc075c4254e…
2026-10-13 09:49REL-SNAP-070OK46 ms315f7e3dc075c4254e…
2026-10-12 10:31REL-SNAP-069OK45 ms315f7e3dc075c4254e…
2026-10-11 09:23REL-SNAP-068OK51 ms315f7e3dc075c4254e…
2026-10-10 09:25REL-SNAP-067OK79 ms315f7e3dc075c4254e…
2026-10-09 09:28REL-SNAP-066OK47 ms315f7e3dc075c4254e…
2026-10-08 09:39REL-SNAP-065OK54 ms315f7e3dc075c4254e…
2026-10-07 09:50REL-SNAP-064OK54 ms315f7e3dc075c4254e…
2026-10-06 09:25REL-SNAP-063OK42 ms315f7e3dc075c4254e…
2026-10-05 10:14REL-SNAP-062OK96 ms315f7e3dc075c4254e…
2026-10-04 09:40REL-SNAP-061OK46 ms315f7e3dc075c4254e…
2026-10-03 09:34REL-SNAP-060OK44 ms315f7e3dc075c4254e…
2026-10-02 09:31REL-SNAP-059OK43 ms315f7e3dc075c4254e…
2026-10-01 09:35REL-SNAP-058OK97 ms315f7e3dc075c4254e…
2026-09-30 09:59REL-SNAP-057OK75 ms315f7e3dc075c4254e…
2026-09-29 09:55REL-SNAP-056OK46 ms315f7e3dc075c4254e…
2026-09-28 10:07REL-SNAP-055OK59 ms315f7e3dc075c4254e…
2026-09-27 09:53REL-SNAP-054OK41 ms315f7e3dc075c4254e…
2026-09-26 09:40REL-SNAP-053OK45 ms315f7e3dc075c4254e…
2026-09-25 10:04REL-SNAP-052OK53 ms315f7e3dc075c4254e…
2026-09-24 10:07REL-SNAP-051OK54 ms315f7e3dc075c4254e…
2026-09-23 10:12REL-SNAP-050OK45 ms310b3519caf65fc175…
2026-09-22 09:51REL-SNAP-049OK55 ms30ecfeeb206452d3f2…
2026-09-21 09:35REL-SNAP-048OK48 ms30ecfeeb206452d3f2…
2026-09-20 09:53REL-SNAP-047OK47 ms30ecfeeb206452d3f2…
2026-09-19 09:38REL-SNAP-046OK51 ms30ecfeeb206452d3f2…
2026-09-18 09:52REL-SNAP-045OK49 ms30ecfeeb206452d3f2…
2026-09-17 10:02REL-SNAP-044OK51 ms30ecfeeb206452d3f2…
2026-09-16 10:18REL-SNAP-043OK49 ms30ecfeeb206452d3f2…
2026-09-15 09:53REL-SNAP-042OK52 ms30ecfeeb206452d3f2…
2026-09-14 10:04REL-SNAP-041OK48 ms30ecfeeb206452d3f2…
2026-09-13 10:00REL-SNAP-040OK52 ms30ecfeeb206452d3f2…
2026-09-12 09:33REL-SNAP-039OK51 ms30ecfeeb206452d3f2…
2026-09-11 09:41REL-SNAP-038OK50 ms30ecfeeb206452d3f2…
2026-09-10 09:41REL-SNAP-037OK57 ms30ecfeeb206452d3f2…

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/square-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.