MCP VerifyThe rating layer for AI agents

api.coldrig.dev/mcp

Graded A by MCP Verify under grade/v1, sealed in snapshot REL-SNAP-084 on 27 October 2026. Recorded reachable in 33 of 33 observations since 25 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-052 to REL-SNAP-064, A from REL-SNAP-065 to REL-SNAP-084.

  • Reachable
  • Reachable, asked to sign in or pay
  • Not reachable
  • Not observed
Transport
streamable-http
Tools listed
none
Tool schema fingerprint
464ae58b59c5a13d…changed 3 times on the record
Name reported by the server
Not reported.self-reported, never used as identity
Registry names (not anchored)
io.github.YS-projectcalc/agent-cold-emailas the registry listed it; not covered by the chain
First and last observed
25 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-084AUTH_REQUIREDnonenonenone
2026-10-26 09:24REL-SNAP-083AUTH_REQUIREDnonenonenone
2026-10-25 09:21REL-SNAP-082AUTH_REQUIREDnonenonenone
2026-10-24 09:20REL-SNAP-081AUTH_REQUIREDnonenonenone
2026-10-23 10:32REL-SNAP-080AUTH_REQUIREDnonenonenone
2026-10-22 10:08REL-SNAP-079AUTH_REQUIREDnonenonenone
2026-10-21 09:50REL-SNAP-078AUTH_REQUIREDnonenonenone
2026-10-20 10:18REL-SNAP-077AUTH_REQUIREDnonenonenone
Show all 33 observations
2026-10-19 10:30REL-SNAP-076AUTH_REQUIREDnonenonenone
2026-10-18 09:30REL-SNAP-075AUTH_REQUIREDnonenonenone
2026-10-17 09:28REL-SNAP-074AUTH_REQUIREDnonenonenone
2026-10-16 09:41REL-SNAP-073AUTH_REQUIREDnonenonenone
2026-10-15 09:44REL-SNAP-072AUTH_REQUIREDnonenonenone
2026-10-14 09:52REL-SNAP-071OK63 ms32464ae58b59c5a13d…
2026-10-13 09:54REL-SNAP-070OK48 ms32464ae58b59c5a13d…
2026-10-12 10:35REL-SNAP-069OK50 ms30d5bc2a14c388d05e…
2026-10-11 09:29REL-SNAP-068OK55 ms30d5bc2a14c388d05e…
2026-10-10 09:29REL-SNAP-067OK55 ms30d5bc2a14c388d05e…
2026-10-09 09:33REL-SNAP-066OK48 ms30d5bc2a14c388d05e…
2026-10-08 09:44REL-SNAP-065OK50 ms30d5bc2a14c388d05e…
2026-10-07 09:55REL-SNAP-064OK47 ms30d5bc2a14c388d05e…
2026-10-06 09:31REL-SNAP-063OK49 ms286abd209b5303f4f5…
2026-10-05 10:20REL-SNAP-062OK46 ms286abd209b5303f4f5…
2026-10-04 09:47REL-SNAP-061OK49 ms286abd209b5303f4f5…
2026-10-03 09:41REL-SNAP-060OK48 ms286abd209b5303f4f5…
2026-10-02 09:37REL-SNAP-059OK45 ms286abd209b5303f4f5…
2026-10-01 09:42REL-SNAP-058OK56 ms286abd209b5303f4f5…
2026-09-30 10:07REL-SNAP-057OK62 ms286abd209b5303f4f5…
2026-09-29 10:03REL-SNAP-056OK61 ms286abd209b5303f4f5…
2026-09-28 10:16REL-SNAP-055OK50 ms287cd238cfb344b790…
2026-09-27 10:01REL-SNAP-054OK54 ms287cd238cfb344b790…
2026-09-26 09:48REL-SNAP-053OK48 ms287cd238cfb344b790…
2026-09-25 10:13REL-SNAP-052OK49 ms287cd238cfb344b790…

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 api.coldrig.dev/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 AUTH_REQUIRED.
Has its tool list changed?
Yes. Its tool schema fingerprint changed 3 times on the record. Each change is dated in the observations below.