MCP VerifyThe rating layer for AI agents

agent-observatory-sensor.nolimit-observatory.workers.dev/s/mailto-ok/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
703f923e90aa81f7…changed 2 times on the record
Name reported by the server
mailto: shape, address discardedself-reported, never used as identity
Registry names (not anchored)
io.github.sadri-dridi/mailto-okas 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-084OK61 ms31703f923e90aa81f7…
2026-10-26 09:21REL-SNAP-083OK52 ms31703f923e90aa81f7…
2026-10-25 09:17REL-SNAP-082OK47 ms31703f923e90aa81f7…
2026-10-24 09:16REL-SNAP-081OK48 ms31703f923e90aa81f7…
2026-10-23 10:28REL-SNAP-080OK47 ms31703f923e90aa81f7…
2026-10-22 10:04REL-SNAP-079OK52 ms31703f923e90aa81f7…
2026-10-21 09:44REL-SNAP-078OK52 ms31703f923e90aa81f7…
2026-10-20 10:13REL-SNAP-077OK53 ms31703f923e90aa81f7…
Show all 48 observations
2026-10-19 10:24REL-SNAP-076OK59 ms31703f923e90aa81f7…
2026-10-18 09:26REL-SNAP-075OK53 ms31703f923e90aa81f7…
2026-10-17 09:24REL-SNAP-074OK49 ms31703f923e90aa81f7…
2026-10-16 09:36REL-SNAP-073OK46 ms31703f923e90aa81f7…
2026-10-15 09:40REL-SNAP-072OK60 ms31703f923e90aa81f7…
2026-10-14 09:47REL-SNAP-071OK46 ms31703f923e90aa81f7…
2026-10-13 09:48REL-SNAP-070OK51 ms31703f923e90aa81f7…
2026-10-12 10:30REL-SNAP-069OK45 ms31703f923e90aa81f7…
2026-10-11 09:22REL-SNAP-068OK51 ms31703f923e90aa81f7…
2026-10-10 09:24REL-SNAP-067OK53 ms31703f923e90aa81f7…
2026-10-09 09:27REL-SNAP-066OK55 ms31703f923e90aa81f7…
2026-10-08 09:38REL-SNAP-065OK55 ms31703f923e90aa81f7…
2026-10-07 09:49REL-SNAP-064OK45 ms31703f923e90aa81f7…
2026-10-06 09:24REL-SNAP-063OK48 ms31703f923e90aa81f7…
2026-10-05 10:13REL-SNAP-062OK46 ms31703f923e90aa81f7…
2026-10-04 09:39REL-SNAP-061OK41 ms31703f923e90aa81f7…
2026-10-03 09:32REL-SNAP-060OK42 ms31703f923e90aa81f7…
2026-10-02 09:29REL-SNAP-059OK52 ms31703f923e90aa81f7…
2026-10-01 09:33REL-SNAP-058OK56 ms31703f923e90aa81f7…
2026-09-30 09:58REL-SNAP-057OK53 ms31703f923e90aa81f7…
2026-09-29 09:54REL-SNAP-056OK92 ms31703f923e90aa81f7…
2026-09-28 10:06REL-SNAP-055OK45 ms31703f923e90aa81f7…
2026-09-27 09:52REL-SNAP-054OK53 ms31703f923e90aa81f7…
2026-09-26 09:39REL-SNAP-053OK47 ms31703f923e90aa81f7…
2026-09-25 10:02REL-SNAP-052OK50 ms31703f923e90aa81f7…
2026-09-24 10:06REL-SNAP-051OK49 ms31703f923e90aa81f7…
2026-09-23 10:10REL-SNAP-050OK51 ms31c3576596baa304ea…
2026-09-22 09:49REL-SNAP-049OK48 ms30e8971d852f5e3ee3…
2026-09-21 09:34REL-SNAP-048OK49 ms30e8971d852f5e3ee3…
2026-09-20 09:52REL-SNAP-047OK50 ms30e8971d852f5e3ee3…
2026-09-19 09:37REL-SNAP-046OK44 ms30e8971d852f5e3ee3…
2026-09-18 09:51REL-SNAP-045OK62 ms30e8971d852f5e3ee3…
2026-09-17 10:01REL-SNAP-044OK45 ms30e8971d852f5e3ee3…
2026-09-16 10:17REL-SNAP-043OK52 ms30e8971d852f5e3ee3…
2026-09-15 09:52REL-SNAP-042OK52 ms30e8971d852f5e3ee3…
2026-09-14 10:03REL-SNAP-041OK63 ms30e8971d852f5e3ee3…
2026-09-13 09:59REL-SNAP-040OK46 ms30e8971d852f5e3ee3…
2026-09-12 09:32REL-SNAP-039OK56 ms30e8971d852f5e3ee3…
2026-09-11 09:40REL-SNAP-038OK46 ms30e8971d852f5e3ee3…
2026-09-10 09:40REL-SNAP-037OK47 ms30e8971d852f5e3ee3…

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/mailto-ok/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.