MCP VerifyThe rating layer for AI agents

agent-observatory-sensor.nolimit-observatory.workers.dev/s/fletcher-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
377a8b4ae7648049…changed 2 times on the record
Name reported by the server
Fletcher-32 hex length, input discardedself-reported, never used as identity
Registry names (not anchored)
io.github.sadri-dridi/fletcher-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 09:25REL-SNAP-084OK52 ms31377a8b4ae7648049…
2026-10-26 09:26REL-SNAP-083OK59 ms31377a8b4ae7648049…
2026-10-25 09:21REL-SNAP-082OK51 ms31377a8b4ae7648049…
2026-10-24 09:20REL-SNAP-081OK44 ms31377a8b4ae7648049…
2026-10-23 10:31REL-SNAP-080OK49 ms31377a8b4ae7648049…
2026-10-22 10:07REL-SNAP-079OK33 ms31377a8b4ae7648049…
2026-10-21 09:48REL-SNAP-078OK57 ms31377a8b4ae7648049…
2026-10-20 10:17REL-SNAP-077OK78 ms31377a8b4ae7648049…
Show all 47 observations
2026-10-19 10:28REL-SNAP-076OK50 ms31377a8b4ae7648049…
2026-10-18 09:29REL-SNAP-075OK55 ms31377a8b4ae7648049…
2026-10-17 09:28REL-SNAP-074OK46 ms31377a8b4ae7648049…
2026-10-16 09:39REL-SNAP-073OK45 ms31377a8b4ae7648049…
2026-10-15 09:44REL-SNAP-072OK50 ms31377a8b4ae7648049…
2026-10-14 09:50REL-SNAP-071OK48 ms31377a8b4ae7648049…
2026-10-13 09:52REL-SNAP-070OK47 ms31377a8b4ae7648049…
2026-10-12 10:33REL-SNAP-069OK49 ms31377a8b4ae7648049…
2026-10-11 09:26REL-SNAP-068OK44 ms31377a8b4ae7648049…
2026-10-10 09:27REL-SNAP-067OK51 ms31377a8b4ae7648049…
2026-10-09 09:30REL-SNAP-066OK61 ms31377a8b4ae7648049…
2026-10-08 09:41REL-SNAP-065OK55 ms31377a8b4ae7648049…
2026-10-07 09:52REL-SNAP-064OK48 ms31377a8b4ae7648049…
2026-10-06 09:27REL-SNAP-063OK46 ms31377a8b4ae7648049…
2026-10-05 10:16REL-SNAP-062OK46 ms31377a8b4ae7648049…
2026-10-04 09:43REL-SNAP-061OK43 ms31377a8b4ae7648049…
2026-10-03 09:36REL-SNAP-060OK46 ms31377a8b4ae7648049…
2026-10-02 09:33REL-SNAP-059OK53 ms31377a8b4ae7648049…
2026-10-01 09:37REL-SNAP-058OK51 ms31377a8b4ae7648049…
2026-09-30 10:01REL-SNAP-057OK49 ms31377a8b4ae7648049…
2026-09-29 09:57REL-SNAP-056OK45 ms31377a8b4ae7648049…
2026-09-28 10:10REL-SNAP-055OK50 ms31377a8b4ae7648049…
2026-09-27 09:56REL-SNAP-054OK42 ms31377a8b4ae7648049…
2026-09-26 09:43REL-SNAP-053OK46 ms31377a8b4ae7648049…
2026-09-25 10:06REL-SNAP-052OK47 ms31377a8b4ae7648049…
2026-09-24 10:10REL-SNAP-051OK52 ms31377a8b4ae7648049…
2026-09-23 10:14REL-SNAP-050OK52 ms317437a1299245fa67…
2026-09-22 09:53REL-SNAP-049OK47 ms305fa8697417eca42c…
2026-09-21 09:37REL-SNAP-048OK43 ms305fa8697417eca42c…
2026-09-20 09:56REL-SNAP-047OK63 ms305fa8697417eca42c…
2026-09-19 09:40REL-SNAP-046OK48 ms305fa8697417eca42c…
2026-09-18 09:54REL-SNAP-045OK55 ms305fa8697417eca42c…
2026-09-17 10:04REL-SNAP-044OK53 ms305fa8697417eca42c…
2026-09-16 10:20REL-SNAP-043OK43 ms305fa8697417eca42c…
2026-09-15 09:56REL-SNAP-042OK44 ms305fa8697417eca42c…
2026-09-14 10:06REL-SNAP-041OK61 ms305fa8697417eca42c…
2026-09-13 10:02REL-SNAP-040OK48 ms305fa8697417eca42c…
2026-09-12 09:35REL-SNAP-039OK47 ms305fa8697417eca42c…
2026-09-11 09:43REL-SNAP-038OK91 ms305fa8697417eca42c…

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/fletcher-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.