MCP VerifyThe rating layer for AI agents

agent-observatory-sensor.nolimit-observatory.workers.dev/s/xor-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
74d8374244b536ec…changed 2 times on the record
Name reported by the server
XOR-fold length, input discardedself-reported, never used as identity
Registry names (not anchored)
io.github.sadri-dridi/xor-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 09:24REL-SNAP-084OK55 ms3174d8374244b536ec…
2026-10-26 09:24REL-SNAP-083OK115 ms3174d8374244b536ec…
2026-10-25 09:20REL-SNAP-082OK68 ms3174d8374244b536ec…
2026-10-24 09:19REL-SNAP-081OK45 ms3174d8374244b536ec…
2026-10-23 10:30REL-SNAP-080OK104 ms3174d8374244b536ec…
2026-10-22 10:06REL-SNAP-079OK35 ms3174d8374244b536ec…
2026-10-21 09:47REL-SNAP-078OK57 ms3174d8374244b536ec…
2026-10-20 10:16REL-SNAP-077OK54 ms3174d8374244b536ec…
Show all 47 observations
2026-10-19 10:27REL-SNAP-076OK54 ms3174d8374244b536ec…
2026-10-18 09:28REL-SNAP-075OK47 ms3174d8374244b536ec…
2026-10-17 09:27REL-SNAP-074OK56 ms3174d8374244b536ec…
2026-10-16 09:39REL-SNAP-073OK47 ms3174d8374244b536ec…
2026-10-15 09:43REL-SNAP-072OK64 ms3174d8374244b536ec…
2026-10-14 09:49REL-SNAP-071OK45 ms3174d8374244b536ec…
2026-10-13 09:51REL-SNAP-070OK62 ms3174d8374244b536ec…
2026-10-12 10:32REL-SNAP-069OK51 ms3174d8374244b536ec…
2026-10-11 09:25REL-SNAP-068OK44 ms3174d8374244b536ec…
2026-10-10 09:26REL-SNAP-067OK42 ms3174d8374244b536ec…
2026-10-09 09:29REL-SNAP-066OK51 ms3174d8374244b536ec…
2026-10-08 09:40REL-SNAP-065OK55 ms3174d8374244b536ec…
2026-10-07 09:51REL-SNAP-064OK43 ms3174d8374244b536ec…
2026-10-06 09:26REL-SNAP-063OK51 ms3174d8374244b536ec…
2026-10-05 10:15REL-SNAP-062OK46 ms3174d8374244b536ec…
2026-10-04 09:42REL-SNAP-061OK50 ms3174d8374244b536ec…
2026-10-03 09:35REL-SNAP-060OK47 ms3174d8374244b536ec…
2026-10-02 09:32REL-SNAP-059OK48 ms3174d8374244b536ec…
2026-10-01 09:36REL-SNAP-058OK46 ms3174d8374244b536ec…
2026-09-30 10:00REL-SNAP-057OK79 ms3174d8374244b536ec…
2026-09-29 09:56REL-SNAP-056OK77 ms3174d8374244b536ec…
2026-09-28 10:09REL-SNAP-055OK47 ms3174d8374244b536ec…
2026-09-27 09:55REL-SNAP-054OK83 ms3174d8374244b536ec…
2026-09-26 09:42REL-SNAP-053OK48 ms3174d8374244b536ec…
2026-09-25 10:05REL-SNAP-052OK50 ms3174d8374244b536ec…
2026-09-24 10:09REL-SNAP-051OK52 ms3174d8374244b536ec…
2026-09-23 10:13REL-SNAP-050OK51 ms31d9cc1117b14386c5…
2026-09-22 09:52REL-SNAP-049OK48 ms3086dd085d2eb984cc…
2026-09-21 09:36REL-SNAP-048OK67 ms3086dd085d2eb984cc…
2026-09-20 09:55REL-SNAP-047OK72 ms3086dd085d2eb984cc…
2026-09-19 09:39REL-SNAP-046OK57 ms3086dd085d2eb984cc…
2026-09-18 09:53REL-SNAP-045OK56 ms3086dd085d2eb984cc…
2026-09-17 10:03REL-SNAP-044OK44 ms3086dd085d2eb984cc…
2026-09-16 10:19REL-SNAP-043OK46 ms3086dd085d2eb984cc…
2026-09-15 09:55REL-SNAP-042OK77 ms3086dd085d2eb984cc…
2026-09-14 10:05REL-SNAP-041OK50 ms3086dd085d2eb984cc…
2026-09-13 10:01REL-SNAP-040OK49 ms3086dd085d2eb984cc…
2026-09-12 09:34REL-SNAP-039OK47 ms3086dd085d2eb984cc…
2026-09-11 09:43REL-SNAP-038OK47 ms3086dd085d2eb984cc…

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/xor-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.