MCP VerifyThe rating layer for AI agents

agent-observatory-sensor.nolimit-observatory.workers.dev/s/poly-len/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
1dbb2e0f2e9f94d8…changed 2 times on the record
Name reported by the server
Poly1305 hex length, input discardedself-reported, never used as identity
Registry names (not anchored)
io.github.sadri-dridi/poly-lenas 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 09:23REL-SNAP-084OK49 ms311dbb2e0f2e9f94d8…
2026-10-26 09:24REL-SNAP-083OK55 ms311dbb2e0f2e9f94d8…
2026-10-25 09:20REL-SNAP-082OK59 ms311dbb2e0f2e9f94d8…
2026-10-24 09:18REL-SNAP-081OK51 ms311dbb2e0f2e9f94d8…
2026-10-23 10:30REL-SNAP-080OK54 ms311dbb2e0f2e9f94d8…
2026-10-22 10:05REL-SNAP-079OK29 ms311dbb2e0f2e9f94d8…
2026-10-21 09:47REL-SNAP-078OK59 ms311dbb2e0f2e9f94d8…
2026-10-20 10:15REL-SNAP-077OK81 ms311dbb2e0f2e9f94d8…
Show all 47 observations
2026-10-19 10:26REL-SNAP-076OK63 ms311dbb2e0f2e9f94d8…
2026-10-18 09:28REL-SNAP-075OK50 ms311dbb2e0f2e9f94d8…
2026-10-17 09:26REL-SNAP-074OK52 ms311dbb2e0f2e9f94d8…
2026-10-16 09:38REL-SNAP-073OK44 ms311dbb2e0f2e9f94d8…
2026-10-15 09:42REL-SNAP-072OK57 ms311dbb2e0f2e9f94d8…
2026-10-14 09:49REL-SNAP-071OK69 ms311dbb2e0f2e9f94d8…
2026-10-13 09:50REL-SNAP-070OK49 ms311dbb2e0f2e9f94d8…
2026-10-12 10:32REL-SNAP-069OK50 ms311dbb2e0f2e9f94d8…
2026-10-11 09:24REL-SNAP-068OK46 ms311dbb2e0f2e9f94d8…
2026-10-10 09:26REL-SNAP-067OK46 ms311dbb2e0f2e9f94d8…
2026-10-09 09:28REL-SNAP-066OK57 ms311dbb2e0f2e9f94d8…
2026-10-08 09:40REL-SNAP-065OK59 ms311dbb2e0f2e9f94d8…
2026-10-07 09:51REL-SNAP-064OK51 ms311dbb2e0f2e9f94d8…
2026-10-06 09:26REL-SNAP-063OK88 ms311dbb2e0f2e9f94d8…
2026-10-05 10:15REL-SNAP-062OK49 ms311dbb2e0f2e9f94d8…
2026-10-04 09:41REL-SNAP-061OK43 ms311dbb2e0f2e9f94d8…
2026-10-03 09:34REL-SNAP-060OK45 ms311dbb2e0f2e9f94d8…
2026-10-02 09:31REL-SNAP-059OK43 ms311dbb2e0f2e9f94d8…
2026-10-01 09:35REL-SNAP-058OK47 ms311dbb2e0f2e9f94d8…
2026-09-30 10:00REL-SNAP-057OK43 ms311dbb2e0f2e9f94d8…
2026-09-29 09:56REL-SNAP-056OK53 ms311dbb2e0f2e9f94d8…
2026-09-28 10:08REL-SNAP-055OK51 ms311dbb2e0f2e9f94d8…
2026-09-27 09:54REL-SNAP-054OK76 ms311dbb2e0f2e9f94d8…
2026-09-26 09:41REL-SNAP-053OK48 ms311dbb2e0f2e9f94d8…
2026-09-25 10:04REL-SNAP-052OK57 ms311dbb2e0f2e9f94d8…
2026-09-24 10:08REL-SNAP-051OK45 ms311dbb2e0f2e9f94d8…
2026-09-23 10:12REL-SNAP-050OK81 ms31e116c025d9f093ea…
2026-09-22 09:51REL-SNAP-049OK49 ms3047d30d5d6eea8298…
2026-09-21 09:35REL-SNAP-048OK87 ms3047d30d5d6eea8298…
2026-09-20 09:54REL-SNAP-047OK53 ms3047d30d5d6eea8298…
2026-09-19 09:38REL-SNAP-046OK45 ms3047d30d5d6eea8298…
2026-09-18 09:53REL-SNAP-045OK50 ms3047d30d5d6eea8298…
2026-09-17 10:03REL-SNAP-044OK49 ms3047d30d5d6eea8298…
2026-09-16 10:19REL-SNAP-043OK44 ms3047d30d5d6eea8298…
2026-09-15 09:54REL-SNAP-042OK45 ms3047d30d5d6eea8298…
2026-09-14 10:05REL-SNAP-041OK104 ms3047d30d5d6eea8298…
2026-09-13 10:01REL-SNAP-040OK47 ms3047d30d5d6eea8298…
2026-09-12 09:33REL-SNAP-039OK42 ms3047d30d5d6eea8298…
2026-09-11 09:42REL-SNAP-038OK47 ms3047d30d5d6eea8298…

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/poly-len/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.