MCP VerifyThe rating layer for AI agents

agent-observatory-sensor.nolimit-observatory.workers.dev/s/shell-esc/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
91cb01e5edcab058…changed 2 times on the record
Name reported by the server
POSIX shell quote shape, input discardedself-reported, never used as identity
Registry names (not anchored)
io.github.sadri-dridi/shell-escas 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 09:25REL-SNAP-084OK48 ms3191cb01e5edcab058…
2026-10-26 09:25REL-SNAP-083OK76 ms3191cb01e5edcab058…
2026-10-25 09:21REL-SNAP-082OK49 ms3191cb01e5edcab058…
2026-10-24 09:20REL-SNAP-081OK45 ms3191cb01e5edcab058…
2026-10-23 10:31REL-SNAP-080OK48 ms3191cb01e5edcab058…
2026-10-22 10:07REL-SNAP-079OK31 ms3191cb01e5edcab058…
2026-10-21 09:48REL-SNAP-078OK48 ms3191cb01e5edcab058…
2026-10-20 10:17REL-SNAP-077OK61 ms3191cb01e5edcab058…
Show all 47 observations
2026-10-19 10:27REL-SNAP-076OK51 ms3191cb01e5edcab058…
2026-10-18 09:29REL-SNAP-075OK45 ms3191cb01e5edcab058…
2026-10-17 09:27REL-SNAP-074OK44 ms3191cb01e5edcab058…
2026-10-16 09:39REL-SNAP-073OK47 ms3191cb01e5edcab058…
2026-10-15 09:43REL-SNAP-072OK44 ms3191cb01e5edcab058…
2026-10-14 09:50REL-SNAP-071OK50 ms3191cb01e5edcab058…
2026-10-13 09:51REL-SNAP-070OK45 ms3191cb01e5edcab058…
2026-10-12 10:33REL-SNAP-069OK50 ms3191cb01e5edcab058…
2026-10-11 09:25REL-SNAP-068OK51 ms3191cb01e5edcab058…
2026-10-10 09:27REL-SNAP-067OK44 ms3191cb01e5edcab058…
2026-10-09 09:30REL-SNAP-066OK54 ms3191cb01e5edcab058…
2026-10-08 09:41REL-SNAP-065OK54 ms3191cb01e5edcab058…
2026-10-07 09:52REL-SNAP-064OK61 ms3191cb01e5edcab058…
2026-10-06 09:27REL-SNAP-063OK56 ms3191cb01e5edcab058…
2026-10-05 10:16REL-SNAP-062OK79 ms3191cb01e5edcab058…
2026-10-04 09:42REL-SNAP-061OK46 ms3191cb01e5edcab058…
2026-10-03 09:36REL-SNAP-060OK53 ms3191cb01e5edcab058…
2026-10-02 09:33REL-SNAP-059OK53 ms3191cb01e5edcab058…
2026-10-01 09:37REL-SNAP-058OK85 ms3191cb01e5edcab058…
2026-09-30 10:01REL-SNAP-057OK52 ms3191cb01e5edcab058…
2026-09-29 09:57REL-SNAP-056OK63 ms3191cb01e5edcab058…
2026-09-28 10:10REL-SNAP-055OK83 ms3191cb01e5edcab058…
2026-09-27 09:55REL-SNAP-054OK46 ms3191cb01e5edcab058…
2026-09-26 09:42REL-SNAP-053OK46 ms3191cb01e5edcab058…
2026-09-25 10:06REL-SNAP-052OK46 ms3191cb01e5edcab058…
2026-09-24 10:09REL-SNAP-051OK41 ms3191cb01e5edcab058…
2026-09-23 10:14REL-SNAP-050OK58 ms3144d03745c99f5d8c…
2026-09-22 09:53REL-SNAP-049OK50 ms30d77345de4ef4e7da…
2026-09-21 09:37REL-SNAP-048OK92 ms30d77345de4ef4e7da…
2026-09-20 09:56REL-SNAP-047OK58 ms30d77345de4ef4e7da…
2026-09-19 09:40REL-SNAP-046OK46 ms30d77345de4ef4e7da…
2026-09-18 09:54REL-SNAP-045OK45 ms30d77345de4ef4e7da…
2026-09-17 10:04REL-SNAP-044OK46 ms30d77345de4ef4e7da…
2026-09-16 10:20REL-SNAP-043OK42 ms30d77345de4ef4e7da…
2026-09-15 09:55REL-SNAP-042OK44 ms30d77345de4ef4e7da…
2026-09-14 10:06REL-SNAP-041OK65 ms30d77345de4ef4e7da…
2026-09-13 10:02REL-SNAP-040OK48 ms30d77345de4ef4e7da…
2026-09-12 09:35REL-SNAP-039OK45 ms30d77345de4ef4e7da…
2026-09-11 09:43REL-SNAP-038OK45 ms30d77345de4ef4e7da…

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/shell-esc/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.