MCP VerifyThe rating layer for AI agents

agent-observatory-sensor.nolimit-observatory.workers.dev/s/isbn-uri/mcp

Graded A by MCP Verify under grade/v1, sealed in snapshot REL-SNAP-084 on 27 October 2026. Recorded reachable in 47 of 47 observations since 11 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-038 to REL-SNAP-050, A from REL-SNAP-051 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
9b9a86fa97867e09…changed 2 times on the record
Name reported by the server
ISBN URN shape, value discardedself-reported, never used as identity
Registry names (not anchored)
io.github.sadri-dridi/isbn-urias the registry listed it; not covered by the chain
First and last observed
11 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 09:24REL-SNAP-084OK54 ms319b9a86fa97867e09…
2026-10-26 09:25REL-SNAP-083OK52 ms319b9a86fa97867e09…
2026-10-25 09:20REL-SNAP-082OK48 ms319b9a86fa97867e09…
2026-10-24 09:19REL-SNAP-081OK46 ms319b9a86fa97867e09…
2026-10-23 10:31REL-SNAP-080OK54 ms319b9a86fa97867e09…
2026-10-22 10:06REL-SNAP-079OK31 ms319b9a86fa97867e09…
2026-10-21 09:47REL-SNAP-078OK57 ms319b9a86fa97867e09…
2026-10-20 10:16REL-SNAP-077OK54 ms319b9a86fa97867e09…
Show all 47 observations
2026-10-19 10:27REL-SNAP-076OK68 ms319b9a86fa97867e09…
2026-10-18 09:28REL-SNAP-075OK46 ms319b9a86fa97867e09…
2026-10-17 09:27REL-SNAP-074OK46 ms319b9a86fa97867e09…
2026-10-16 09:39REL-SNAP-073OK44 ms319b9a86fa97867e09…
2026-10-15 09:43REL-SNAP-072OK51 ms319b9a86fa97867e09…
2026-10-14 09:49REL-SNAP-071OK57 ms319b9a86fa97867e09…
2026-10-13 09:51REL-SNAP-070OK57 ms319b9a86fa97867e09…
2026-10-12 10:32REL-SNAP-069OK45 ms319b9a86fa97867e09…
2026-10-11 09:25REL-SNAP-068OK45 ms319b9a86fa97867e09…
2026-10-10 09:26REL-SNAP-067OK42 ms319b9a86fa97867e09…
2026-10-09 09:29REL-SNAP-066OK56 ms319b9a86fa97867e09…
2026-10-08 09:40REL-SNAP-065OK53 ms319b9a86fa97867e09…
2026-10-07 09:52REL-SNAP-064OK55 ms319b9a86fa97867e09…
2026-10-06 09:27REL-SNAP-063OK52 ms319b9a86fa97867e09…
2026-10-05 10:15REL-SNAP-062OK43 ms319b9a86fa97867e09…
2026-10-04 09:42REL-SNAP-061OK83 ms319b9a86fa97867e09…
2026-10-03 09:35REL-SNAP-060OK50 ms319b9a86fa97867e09…
2026-10-02 09:32REL-SNAP-059OK49 ms319b9a86fa97867e09…
2026-10-01 09:36REL-SNAP-058OK44 ms319b9a86fa97867e09…
2026-09-30 10:00REL-SNAP-057OK52 ms319b9a86fa97867e09…
2026-09-29 09:56REL-SNAP-056OK56 ms319b9a86fa97867e09…
2026-09-28 10:09REL-SNAP-055OK55 ms319b9a86fa97867e09…
2026-09-27 09:55REL-SNAP-054OK49 ms319b9a86fa97867e09…
2026-09-26 09:42REL-SNAP-053OK47 ms319b9a86fa97867e09…
2026-09-25 10:05REL-SNAP-052OK49 ms319b9a86fa97867e09…
2026-09-24 10:09REL-SNAP-051OK45 ms319b9a86fa97867e09…
2026-09-23 10:13REL-SNAP-050OK62 ms31bf4beed3b6319e7a…
2026-09-22 09:52REL-SNAP-049OK60 ms3061698e31ffc05839…
2026-09-21 09:36REL-SNAP-048OK50 ms3061698e31ffc05839…
2026-09-20 09:55REL-SNAP-047OK46 ms3061698e31ffc05839…
2026-09-19 09:39REL-SNAP-046OK54 ms3061698e31ffc05839…
2026-09-18 09:54REL-SNAP-045OK56 ms3061698e31ffc05839…
2026-09-17 10:04REL-SNAP-044OK48 ms3061698e31ffc05839…
2026-09-16 10:19REL-SNAP-043OK89 ms3061698e31ffc05839…
2026-09-15 09:55REL-SNAP-042OK77 ms3061698e31ffc05839…
2026-09-14 10:05REL-SNAP-041OK50 ms3061698e31ffc05839…
2026-09-13 10:02REL-SNAP-040OK49 ms3061698e31ffc05839…
2026-09-12 09:34REL-SNAP-039OK46 ms3061698e31ffc05839…
2026-09-11 09:43REL-SNAP-038OK63 ms3061698e31ffc05839…

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/isbn-uri/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.