MCP VerifyThe rating layer for AI agents

agent-observatory-sensor.nolimit-observatory.workers.dev/s/ean13-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
bec4231d618a543d…changed 2 times on the record
Name reported by the server
EAN-13 digit shape, value discardedself-reported, never used as identity
Registry names (not anchored)
io.github.sadri-dridi/ean13-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-084OK54 ms31bec4231d618a543d…
2026-10-26 09:26REL-SNAP-083OK55 ms31bec4231d618a543d…
2026-10-25 09:22REL-SNAP-082OK45 ms31bec4231d618a543d…
2026-10-24 09:21REL-SNAP-081OK48 ms31bec4231d618a543d…
2026-10-23 10:32REL-SNAP-080OK153 ms31bec4231d618a543d…
2026-10-22 10:08REL-SNAP-079OK59 ms31bec4231d618a543d…
2026-10-21 09:49REL-SNAP-078OK167 ms31bec4231d618a543d…
2026-10-20 10:18REL-SNAP-077OK82 ms31bec4231d618a543d…
Show all 46 observations
2026-10-19 10:28REL-SNAP-076OK52 ms31bec4231d618a543d…
2026-10-18 09:30REL-SNAP-075OK49 ms31bec4231d618a543d…
2026-10-17 09:28REL-SNAP-074OK57 ms31bec4231d618a543d…
2026-10-16 09:40REL-SNAP-073OK46 ms31bec4231d618a543d…
2026-10-15 09:44REL-SNAP-072OK45 ms31bec4231d618a543d…
2026-10-14 09:51REL-SNAP-071OK54 ms31bec4231d618a543d…
2026-10-13 09:52REL-SNAP-070OK49 ms31bec4231d618a543d…
2026-10-12 10:34REL-SNAP-069OK52 ms31bec4231d618a543d…
2026-10-11 09:26REL-SNAP-068OK47 ms31bec4231d618a543d…
2026-10-10 09:28REL-SNAP-067OK53 ms31bec4231d618a543d…
2026-10-09 09:31REL-SNAP-066OK54 ms31bec4231d618a543d…
2026-10-08 09:42REL-SNAP-065OK53 ms31bec4231d618a543d…
2026-10-07 09:53REL-SNAP-064OK46 ms31bec4231d618a543d…
2026-10-06 09:28REL-SNAP-063OK52 ms31bec4231d618a543d…
2026-10-05 10:17REL-SNAP-062OK53 ms31bec4231d618a543d…
2026-10-04 09:43REL-SNAP-061OK44 ms31bec4231d618a543d…
2026-10-03 09:37REL-SNAP-060OK47 ms31bec4231d618a543d…
2026-10-02 09:34REL-SNAP-059OK46 ms31bec4231d618a543d…
2026-10-01 09:38REL-SNAP-058OK43 ms31bec4231d618a543d…
2026-09-30 10:02REL-SNAP-057OK86 ms31bec4231d618a543d…
2026-09-29 09:58REL-SNAP-056OK47 ms31bec4231d618a543d…
2026-09-28 10:10REL-SNAP-055OK45 ms31bec4231d618a543d…
2026-09-27 09:56REL-SNAP-054OK41 ms31bec4231d618a543d…
2026-09-26 09:44REL-SNAP-053OK46 ms31bec4231d618a543d…
2026-09-25 10:07REL-SNAP-052OK48 ms31bec4231d618a543d…
2026-09-24 10:10REL-SNAP-051OK54 ms31bec4231d618a543d…
2026-09-23 10:15REL-SNAP-050OK55 ms31d8826e5bd6eca551…
2026-09-22 09:54REL-SNAP-049OK67 ms30814e25ca66f55812…
2026-09-21 09:38REL-SNAP-048OK46 ms30814e25ca66f55812…
2026-09-20 09:56REL-SNAP-047OK56 ms30814e25ca66f55812…
2026-09-19 09:41REL-SNAP-046OK46 ms30814e25ca66f55812…
2026-09-18 09:55REL-SNAP-045OK80 ms30814e25ca66f55812…
2026-09-17 10:05REL-SNAP-044OK48 ms30814e25ca66f55812…
2026-09-16 10:21REL-SNAP-043OK50 ms30814e25ca66f55812…
2026-09-15 09:56REL-SNAP-042OK47 ms30814e25ca66f55812…
2026-09-14 10:07REL-SNAP-041OK48 ms30814e25ca66f55812…
2026-09-13 10:03REL-SNAP-040OK56 ms30814e25ca66f55812…
2026-09-12 09:36REL-SNAP-039OK57 ms30814e25ca66f55812…

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/ean13-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.