MCP VerifyThe rating layer for AI agents

agent-observatory-sensor.nolimit-observatory.workers.dev/s/port-53/mcp

Graded A by MCP Verify under grade/v1, sealed in snapshot REL-SNAP-084 on 27 October 2026. Recorded reachable in 49 of 49 observations since 9 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-048, A from REL-SNAP-049 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
6dadb348b00d2488…changed 3 times on the record
Name reported by the server
Port 53self-reported, never used as identity
Registry names (not anchored)
io.github.sadri-dridi/port-53as the registry listed it; not covered by the chain
First and last observed
9 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 09:14REL-SNAP-084OK55 ms316dadb348b00d2488…
2026-10-26 09:13REL-SNAP-083OK94 ms316dadb348b00d2488…
2026-10-25 09:11REL-SNAP-082OK78 ms316dadb348b00d2488…
2026-10-24 09:10REL-SNAP-081OK45 ms316dadb348b00d2488…
2026-10-23 10:21REL-SNAP-080OK48 ms316dadb348b00d2488…
2026-10-22 09:58REL-SNAP-079OK55 ms316dadb348b00d2488…
2026-10-21 09:38REL-SNAP-078OK50 ms316dadb348b00d2488…
2026-10-20 10:06REL-SNAP-077OK55 ms316dadb348b00d2488…
Show all 49 observations
2026-10-19 10:18REL-SNAP-076OK48 ms316dadb348b00d2488…
2026-10-18 09:20REL-SNAP-075OK52 ms316dadb348b00d2488…
2026-10-17 09:18REL-SNAP-074OK73 ms316dadb348b00d2488…
2026-10-16 09:30REL-SNAP-073OK46 ms316dadb348b00d2488…
2026-10-15 09:34REL-SNAP-072OK49 ms316dadb348b00d2488…
2026-10-14 09:41REL-SNAP-071OK61 ms316dadb348b00d2488…
2026-10-13 09:43REL-SNAP-070OK49 ms316dadb348b00d2488…
2026-10-12 10:24REL-SNAP-069OK55 ms316dadb348b00d2488…
2026-10-11 09:17REL-SNAP-068OK84 ms316dadb348b00d2488…
2026-10-10 09:18REL-SNAP-067OK45 ms316dadb348b00d2488…
2026-10-09 09:21REL-SNAP-066OK48 ms316dadb348b00d2488…
2026-10-08 09:32REL-SNAP-065OK46 ms316dadb348b00d2488…
2026-10-07 09:43REL-SNAP-064OK98 ms316dadb348b00d2488…
2026-10-06 09:18REL-SNAP-063OK53 ms316dadb348b00d2488…
2026-10-05 10:07REL-SNAP-062OK56 ms316dadb348b00d2488…
2026-10-04 09:34REL-SNAP-061OK45 ms316dadb348b00d2488…
2026-10-03 09:27REL-SNAP-060OK51 ms316dadb348b00d2488…
2026-10-02 09:24REL-SNAP-059OK55 ms316dadb348b00d2488…
2026-10-01 09:28REL-SNAP-058OK46 ms316dadb348b00d2488…
2026-09-30 09:52REL-SNAP-057OK54 ms316dadb348b00d2488…
2026-09-29 09:48REL-SNAP-056OK55 ms316dadb348b00d2488…
2026-09-28 10:01REL-SNAP-055OK60 ms316dadb348b00d2488…
2026-09-27 09:46REL-SNAP-054OK80 ms316dadb348b00d2488…
2026-09-26 09:33REL-SNAP-053OK43 ms316dadb348b00d2488…
2026-09-25 09:57REL-SNAP-052OK47 ms316dadb348b00d2488…
2026-09-24 10:00REL-SNAP-051OK57 ms316dadb348b00d2488…
2026-09-23 10:04REL-SNAP-050OK94 ms314d02d0ed5a8de6b0…
2026-09-22 09:44REL-SNAP-049OK70 ms303bbf0c8378006d46…
2026-09-21 09:28REL-SNAP-048OK48 ms303bbf0c8378006d46…
2026-09-20 09:47REL-SNAP-047OK48 ms303bbf0c8378006d46…
2026-09-19 09:31REL-SNAP-046OK48 ms303bbf0c8378006d46…
2026-09-18 09:45REL-SNAP-045OK66 ms303bbf0c8378006d46…
2026-09-17 09:55REL-SNAP-044OK59 ms303bbf0c8378006d46…
2026-09-16 10:11REL-SNAP-043OK46 ms303bbf0c8378006d46…
2026-09-15 09:47REL-SNAP-042OK50 ms303bbf0c8378006d46…
2026-09-14 09:57REL-SNAP-041OK46 ms303bbf0c8378006d46…
2026-09-13 09:53REL-SNAP-040OK46 ms303bbf0c8378006d46…
2026-09-12 09:26REL-SNAP-039OK47 ms303bbf0c8378006d46…
2026-09-11 09:34REL-SNAP-038OK62 ms303bbf0c8378006d46…
2026-09-10 09:35REL-SNAP-037OK52 ms303bbf0c8378006d46…
2026-09-09 09:42REL-SNAP-036OK55 ms291d417f24bf1aa336…

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/port-53/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 3 times on the record. Each change is dated in the observations below.