MCP VerifyThe rating layer for AI agents

agent-observatory-sensor.nolimit-observatory.workers.dev/s/issn-shape/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
8d3ff18b82ca2012…changed 2 times on the record
Name reported by the server
ISSN shape, value discardedself-reported, never used as identity
Registry names (not anchored)
io.github.sadri-dridi/issn-shapeas 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-084OK54 ms318d3ff18b82ca2012…
2026-10-26 09:22REL-SNAP-083OK137 ms318d3ff18b82ca2012…
2026-10-25 09:18REL-SNAP-082OK52 ms318d3ff18b82ca2012…
2026-10-24 09:17REL-SNAP-081OK53 ms318d3ff18b82ca2012…
2026-10-23 10:28REL-SNAP-080OK50 ms318d3ff18b82ca2012…
2026-10-22 10:04REL-SNAP-079OK33 ms318d3ff18b82ca2012…
2026-10-21 09:45REL-SNAP-078OK53 ms318d3ff18b82ca2012…
2026-10-20 10:14REL-SNAP-077OK53 ms318d3ff18b82ca2012…
Show all 48 observations
2026-10-19 10:25REL-SNAP-076OK55 ms318d3ff18b82ca2012…
2026-10-18 09:26REL-SNAP-075OK47 ms318d3ff18b82ca2012…
2026-10-17 09:25REL-SNAP-074OK45 ms318d3ff18b82ca2012…
2026-10-16 09:37REL-SNAP-073OK50 ms318d3ff18b82ca2012…
2026-10-15 09:41REL-SNAP-072OK66 ms318d3ff18b82ca2012…
2026-10-14 09:47REL-SNAP-071OK84 ms318d3ff18b82ca2012…
2026-10-13 09:49REL-SNAP-070OK46 ms318d3ff18b82ca2012…
2026-10-12 10:30REL-SNAP-069OK50 ms318d3ff18b82ca2012…
2026-10-11 09:23REL-SNAP-068OK43 ms318d3ff18b82ca2012…
2026-10-10 09:24REL-SNAP-067OK41 ms318d3ff18b82ca2012…
2026-10-09 09:27REL-SNAP-066OK90 ms318d3ff18b82ca2012…
2026-10-08 09:38REL-SNAP-065OK47 ms318d3ff18b82ca2012…
2026-10-07 09:49REL-SNAP-064OK56 ms318d3ff18b82ca2012…
2026-10-06 09:24REL-SNAP-063OK49 ms318d3ff18b82ca2012…
2026-10-05 10:13REL-SNAP-062OK92 ms318d3ff18b82ca2012…
2026-10-04 09:40REL-SNAP-061OK43 ms318d3ff18b82ca2012…
2026-10-03 09:33REL-SNAP-060OK79 ms318d3ff18b82ca2012…
2026-10-02 09:30REL-SNAP-059OK59 ms318d3ff18b82ca2012…
2026-10-01 09:34REL-SNAP-058OK53 ms318d3ff18b82ca2012…
2026-09-30 09:58REL-SNAP-057OK49 ms318d3ff18b82ca2012…
2026-09-29 09:54REL-SNAP-056OK45 ms318d3ff18b82ca2012…
2026-09-28 10:07REL-SNAP-055OK51 ms318d3ff18b82ca2012…
2026-09-27 09:53REL-SNAP-054OK43 ms318d3ff18b82ca2012…
2026-09-26 09:40REL-SNAP-053OK46 ms318d3ff18b82ca2012…
2026-09-25 10:03REL-SNAP-052OK53 ms318d3ff18b82ca2012…
2026-09-24 10:07REL-SNAP-051OK49 ms318d3ff18b82ca2012…
2026-09-23 10:11REL-SNAP-050OK55 ms31f0e8bcde76222854…
2026-09-22 09:50REL-SNAP-049OK43 ms30e8cfb650ed51e1c3…
2026-09-21 09:34REL-SNAP-048OK48 ms30e8cfb650ed51e1c3…
2026-09-20 09:53REL-SNAP-047OK44 ms30e8cfb650ed51e1c3…
2026-09-19 09:37REL-SNAP-046OK50 ms30e8cfb650ed51e1c3…
2026-09-18 09:51REL-SNAP-045OK45 ms30e8cfb650ed51e1c3…
2026-09-17 10:02REL-SNAP-044OK47 ms30e8cfb650ed51e1c3…
2026-09-16 10:17REL-SNAP-043OK44 ms30e8cfb650ed51e1c3…
2026-09-15 09:53REL-SNAP-042OK44 ms30e8cfb650ed51e1c3…
2026-09-14 10:03REL-SNAP-041OK58 ms30e8cfb650ed51e1c3…
2026-09-13 10:00REL-SNAP-040OK48 ms30e8cfb650ed51e1c3…
2026-09-12 09:32REL-SNAP-039OK47 ms30e8cfb650ed51e1c3…
2026-09-11 09:41REL-SNAP-038OK52 ms30e8cfb650ed51e1c3…
2026-09-10 09:41REL-SNAP-037OK60 ms30e8cfb650ed51e1c3…

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/issn-shape/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.