MCP VerifyThe rating layer for AI agents

agent-observatory-sensor.nolimit-observatory.workers.dev/s/png-magic/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
0817a10e21aa94ad…changed 2 times on the record
Name reported by the server
PNG magic-byte check, file discardedself-reported, never used as identity
Registry names (not anchored)
io.github.sadri-dridi/png-magicas 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 09:20REL-SNAP-084OK55 ms310817a10e21aa94ad…
2026-10-26 09:20REL-SNAP-083OK48 ms310817a10e21aa94ad…
2026-10-25 09:17REL-SNAP-082OK69 ms310817a10e21aa94ad…
2026-10-24 09:16REL-SNAP-081OK58 ms310817a10e21aa94ad…
2026-10-23 10:27REL-SNAP-080OK81 ms310817a10e21aa94ad…
2026-10-22 10:03REL-SNAP-079OK53 ms310817a10e21aa94ad…
2026-10-21 09:44REL-SNAP-078OK58 ms310817a10e21aa94ad…
2026-10-20 10:13REL-SNAP-077OK49 ms310817a10e21aa94ad…
Show all 48 observations
2026-10-19 10:23REL-SNAP-076OK48 ms310817a10e21aa94ad…
2026-10-18 09:25REL-SNAP-075OK49 ms310817a10e21aa94ad…
2026-10-17 09:24REL-SNAP-074OK232 ms310817a10e21aa94ad…
2026-10-16 09:35REL-SNAP-073OK91 ms310817a10e21aa94ad…
2026-10-15 09:39REL-SNAP-072OK46 ms310817a10e21aa94ad…
2026-10-14 09:46REL-SNAP-071OK51 ms310817a10e21aa94ad…
2026-10-13 09:48REL-SNAP-070OK55 ms310817a10e21aa94ad…
2026-10-12 10:29REL-SNAP-069OK50 ms310817a10e21aa94ad…
2026-10-11 09:22REL-SNAP-068OK45 ms310817a10e21aa94ad…
2026-10-10 09:23REL-SNAP-067OK46 ms310817a10e21aa94ad…
2026-10-09 09:26REL-SNAP-066OK45 ms310817a10e21aa94ad…
2026-10-08 09:37REL-SNAP-065OK51 ms310817a10e21aa94ad…
2026-10-07 09:48REL-SNAP-064OK48 ms310817a10e21aa94ad…
2026-10-06 09:23REL-SNAP-063OK45 ms310817a10e21aa94ad…
2026-10-05 10:12REL-SNAP-062OK46 ms310817a10e21aa94ad…
2026-10-04 09:39REL-SNAP-061OK41 ms310817a10e21aa94ad…
2026-10-03 09:32REL-SNAP-060OK43 ms310817a10e21aa94ad…
2026-10-02 09:29REL-SNAP-059OK51 ms310817a10e21aa94ad…
2026-10-01 09:33REL-SNAP-058OK41 ms310817a10e21aa94ad…
2026-09-30 09:57REL-SNAP-057OK81 ms310817a10e21aa94ad…
2026-09-29 09:53REL-SNAP-056OK56 ms310817a10e21aa94ad…
2026-09-28 10:06REL-SNAP-055OK54 ms310817a10e21aa94ad…
2026-09-27 09:51REL-SNAP-054OK44 ms310817a10e21aa94ad…
2026-09-26 09:39REL-SNAP-053OK45 ms310817a10e21aa94ad…
2026-09-25 10:02REL-SNAP-052OK47 ms310817a10e21aa94ad…
2026-09-24 10:05REL-SNAP-051OK47 ms310817a10e21aa94ad…
2026-09-23 10:10REL-SNAP-050OK61 ms31cd96fedca070708f…
2026-09-22 09:49REL-SNAP-049OK47 ms308452da3efc293ec3…
2026-09-21 09:33REL-SNAP-048OK46 ms308452da3efc293ec3…
2026-09-20 09:52REL-SNAP-047OK49 ms308452da3efc293ec3…
2026-09-19 09:36REL-SNAP-046OK46 ms308452da3efc293ec3…
2026-09-18 09:50REL-SNAP-045OK43 ms308452da3efc293ec3…
2026-09-17 10:00REL-SNAP-044OK45 ms308452da3efc293ec3…
2026-09-16 10:16REL-SNAP-043OK48 ms308452da3efc293ec3…
2026-09-15 09:52REL-SNAP-042OK43 ms308452da3efc293ec3…
2026-09-14 10:02REL-SNAP-041OK95 ms308452da3efc293ec3…
2026-09-13 09:58REL-SNAP-040OK53 ms308452da3efc293ec3…
2026-09-12 09:31REL-SNAP-039OK58 ms308452da3efc293ec3…
2026-09-11 09:39REL-SNAP-038OK47 ms308452da3efc293ec3…
2026-09-10 09:40REL-SNAP-037OK47 ms308452da3efc293ec3…

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/png-magic/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.