MCP VerifyThe rating layer for AI agents

agent-observatory-sensor.nolimit-observatory.workers.dev/s/tar-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
448337bcff23a474…changed 2 times on the record
Name reported by the server
TAR ustar check, file discardedself-reported, never used as identity
Registry names (not anchored)
io.github.sadri-dridi/tar-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 09:21REL-SNAP-084OK45 ms31448337bcff23a474…
2026-10-26 09:21REL-SNAP-083OK284 ms31448337bcff23a474…
2026-10-25 09:17REL-SNAP-082OK46 ms31448337bcff23a474…
2026-10-24 09:16REL-SNAP-081OK63 ms31448337bcff23a474…
2026-10-23 10:28REL-SNAP-080OK52 ms31448337bcff23a474…
2026-10-22 10:03REL-SNAP-079OK48 ms31448337bcff23a474…
2026-10-21 09:44REL-SNAP-078OK48 ms31448337bcff23a474…
2026-10-20 10:13REL-SNAP-077OK53 ms31448337bcff23a474…
Show all 48 observations
2026-10-19 10:24REL-SNAP-076OK47 ms31448337bcff23a474…
2026-10-18 09:26REL-SNAP-075OK69 ms31448337bcff23a474…
2026-10-17 09:24REL-SNAP-074OK58 ms31448337bcff23a474…
2026-10-16 09:36REL-SNAP-073OK45 ms31448337bcff23a474…
2026-10-15 09:40REL-SNAP-072OK86 ms31448337bcff23a474…
2026-10-14 09:46REL-SNAP-071OK52 ms31448337bcff23a474…
2026-10-13 09:48REL-SNAP-070OK55 ms31448337bcff23a474…
2026-10-12 10:30REL-SNAP-069OK56 ms31448337bcff23a474…
2026-10-11 09:22REL-SNAP-068OK53 ms31448337bcff23a474…
2026-10-10 09:24REL-SNAP-067OK49 ms31448337bcff23a474…
2026-10-09 09:26REL-SNAP-066OK45 ms31448337bcff23a474…
2026-10-08 09:38REL-SNAP-065OK53 ms31448337bcff23a474…
2026-10-07 09:49REL-SNAP-064OK50 ms31448337bcff23a474…
2026-10-06 09:24REL-SNAP-063OK76 ms31448337bcff23a474…
2026-10-05 10:12REL-SNAP-062OK48 ms31448337bcff23a474…
2026-10-04 09:39REL-SNAP-061OK49 ms31448337bcff23a474…
2026-10-03 09:32REL-SNAP-060OK41 ms31448337bcff23a474…
2026-10-02 09:29REL-SNAP-059OK55 ms31448337bcff23a474…
2026-10-01 09:33REL-SNAP-058OK60 ms31448337bcff23a474…
2026-09-30 09:58REL-SNAP-057OK55 ms31448337bcff23a474…
2026-09-29 09:54REL-SNAP-056OK56 ms31448337bcff23a474…
2026-09-28 10:06REL-SNAP-055OK46 ms31448337bcff23a474…
2026-09-27 09:52REL-SNAP-054OK66 ms31448337bcff23a474…
2026-09-26 09:39REL-SNAP-053OK46 ms31448337bcff23a474…
2026-09-25 10:02REL-SNAP-052OK58 ms31448337bcff23a474…
2026-09-24 10:06REL-SNAP-051OK47 ms31448337bcff23a474…
2026-09-23 10:10REL-SNAP-050OK48 ms31500edb03dbc1ae0a…
2026-09-22 09:49REL-SNAP-049OK49 ms30ae29325704eff2f9…
2026-09-21 09:33REL-SNAP-048OK51 ms30ae29325704eff2f9…
2026-09-20 09:52REL-SNAP-047OK46 ms30ae29325704eff2f9…
2026-09-19 09:36REL-SNAP-046OK52 ms30ae29325704eff2f9…
2026-09-18 09:51REL-SNAP-045OK43 ms30ae29325704eff2f9…
2026-09-17 10:01REL-SNAP-044OK46 ms30ae29325704eff2f9…
2026-09-16 10:17REL-SNAP-043OK46 ms30ae29325704eff2f9…
2026-09-15 09:52REL-SNAP-042OK46 ms30ae29325704eff2f9…
2026-09-14 10:02REL-SNAP-041OK68 ms30ae29325704eff2f9…
2026-09-13 09:59REL-SNAP-040OK53 ms30ae29325704eff2f9…
2026-09-12 09:31REL-SNAP-039OK53 ms30ae29325704eff2f9…
2026-09-11 09:40REL-SNAP-038OK44 ms30ae29325704eff2f9…
2026-09-10 09:40REL-SNAP-037OK46 ms30ae29325704eff2f9…

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/tar-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.