MCP VerifyThe rating layer for AI agents

agent-observatory-sensor.nolimit-observatory.workers.dev/s/stone-kg/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
179121c87a23c983…changed 2 times on the record
Name reported by the server
Stones to kilograms, number discardedself-reported, never used as identity
Registry names (not anchored)
io.github.sadri-dridi/stone-kgas 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 09:27REL-SNAP-084OK45 ms31179121c87a23c983…
2026-10-26 09:28REL-SNAP-083OK76 ms31179121c87a23c983…
2026-10-25 09:23REL-SNAP-082OK51 ms31179121c87a23c983…
2026-10-24 09:22REL-SNAP-081OK48 ms31179121c87a23c983…
2026-10-23 10:34REL-SNAP-080OK62 ms31179121c87a23c983…
2026-10-22 10:09REL-SNAP-079OK33 ms31179121c87a23c983…
2026-10-21 09:50REL-SNAP-078OK49 ms31179121c87a23c983…
2026-10-20 10:19REL-SNAP-077OK46 ms31179121c87a23c983…
Show all 46 observations
2026-10-19 10:30REL-SNAP-076OK46 ms31179121c87a23c983…
2026-10-18 09:31REL-SNAP-075OK45 ms31179121c87a23c983…
2026-10-17 09:30REL-SNAP-074OK53 ms31179121c87a23c983…
2026-10-16 09:41REL-SNAP-073OK43 ms31179121c87a23c983…
2026-10-15 09:46REL-SNAP-072OK47 ms31179121c87a23c983…
2026-10-14 09:52REL-SNAP-071OK55 ms31179121c87a23c983…
2026-10-13 09:54REL-SNAP-070OK46 ms31179121c87a23c983…
2026-10-12 10:35REL-SNAP-069OK45 ms31179121c87a23c983…
2026-10-11 09:28REL-SNAP-068OK76 ms31179121c87a23c983…
2026-10-10 09:29REL-SNAP-067OK52 ms31179121c87a23c983…
2026-10-09 09:32REL-SNAP-066OK48 ms31179121c87a23c983…
2026-10-08 09:43REL-SNAP-065OK52 ms31179121c87a23c983…
2026-10-07 09:55REL-SNAP-064OK59 ms31179121c87a23c983…
2026-10-06 09:29REL-SNAP-063OK46 ms31179121c87a23c983…
2026-10-05 10:18REL-SNAP-062OK42 ms31179121c87a23c983…
2026-10-04 09:45REL-SNAP-061OK44 ms31179121c87a23c983…
2026-10-03 09:38REL-SNAP-060OK44 ms31179121c87a23c983…
2026-10-02 09:35REL-SNAP-059OK52 ms31179121c87a23c983…
2026-10-01 09:39REL-SNAP-058OK51 ms31179121c87a23c983…
2026-09-30 10:03REL-SNAP-057OK58 ms31179121c87a23c983…
2026-09-29 09:59REL-SNAP-056OK60 ms31179121c87a23c983…
2026-09-28 10:12REL-SNAP-055OK112 ms31179121c87a23c983…
2026-09-27 09:58REL-SNAP-054OK53 ms31179121c87a23c983…
2026-09-26 09:45REL-SNAP-053OK45 ms31179121c87a23c983…
2026-09-25 10:08REL-SNAP-052OK79 ms31179121c87a23c983…
2026-09-24 10:12REL-SNAP-051OK57 ms31179121c87a23c983…
2026-09-23 10:16REL-SNAP-050OK46 ms319ffa8d2b0c1a1e68…
2026-09-22 09:55REL-SNAP-049OK64 ms30ca863e4bf41e48c6…
2026-09-21 09:39REL-SNAP-048OK47 ms30ca863e4bf41e48c6…
2026-09-20 09:58REL-SNAP-047OK47 ms30ca863e4bf41e48c6…
2026-09-19 09:42REL-SNAP-046OK52 ms30ca863e4bf41e48c6…
2026-09-18 09:56REL-SNAP-045OK58 ms30ca863e4bf41e48c6…
2026-09-17 10:06REL-SNAP-044OK50 ms30ca863e4bf41e48c6…
2026-09-16 10:22REL-SNAP-043OK46 ms30ca863e4bf41e48c6…
2026-09-15 09:58REL-SNAP-042OK43 ms30ca863e4bf41e48c6…
2026-09-14 10:08REL-SNAP-041OK56 ms30ca863e4bf41e48c6…
2026-09-13 10:04REL-SNAP-040OK46 ms30ca863e4bf41e48c6…
2026-09-12 09:37REL-SNAP-039OK44 ms30ca863e4bf41e48c6…

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/stone-kg/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.