agent-cold-email-api.yaakovscher.workers.dev/mcp
Graded A by MCP Verify under grade/v1, sealed in snapshot REL-SNAP-051 on 24 September 2026. Recorded reachable in 50 of 50 observations since 6 August 2026.
A
Sealed grades: A from REL-SNAP-037 to REL-SNAP-051.
- Reachable
- Reachable, asked to sign in or pay
- Not reachable
- Not observed
- Transport
- streamable-http
- Tools listed
- 28
- Tool schema fingerprint
- 7cd238cfb344b790…changed 4 times on the record
- Name reported by the server
- agent-cold-emailself-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
- 6 Aug 2026 to 24 Sep 2026
Observations
Newest first. Each row is a separate look, not a summary.
| Observed (UTC) | Snapshot | Recorded as | Latency | Tools | Tool schema |
|---|---|---|---|---|---|
| 2026-09-24 09:37 | REL-SNAP-051 | OK | 56 ms | 28 | 7cd238cfb344b790… |
| 2026-09-23 09:42 | REL-SNAP-050 | OK | 46 ms | 28 | 7cd238cfb344b790… |
| 2026-09-22 09:20 | REL-SNAP-049 | OK | 49 ms | 28 | 7cd238cfb344b790… |
| 2026-09-21 09:05 | REL-SNAP-048 | OK | 92 ms | 28 | 7cd238cfb344b790… |
| 2026-09-20 09:23 | REL-SNAP-047 | OK | 53 ms | 28 | 7cd238cfb344b790… |
| 2026-09-19 09:08 | REL-SNAP-046 | OK | 54 ms | 28 | 7cd238cfb344b790… |
| 2026-09-18 09:22 | REL-SNAP-045 | OK | 50 ms | 28 | 7cd238cfb344b790… |
| 2026-09-17 09:29 | REL-SNAP-044 | OK | 56 ms | 28 | 7cd238cfb344b790… |
Show all 50 observations
| 2026-09-16 09:46 | REL-SNAP-043 | OK | 67 ms | 28 | 7cd238cfb344b790… |
| 2026-09-15 09:24 | REL-SNAP-042 | OK | 54 ms | 28 | 7cd238cfb344b790… |
| 2026-09-14 09:30 | REL-SNAP-041 | OK | 61 ms | 28 | 7cd238cfb344b790… |
| 2026-09-13 09:31 | REL-SNAP-040 | OK | 54 ms | 28 | 7cd238cfb344b790… |
| 2026-09-12 09:03 | REL-SNAP-039 | OK | 57 ms | 28 | 7cd238cfb344b790… |
| 2026-09-11 09:11 | REL-SNAP-038 | OK | 48 ms | 28 | 7cd238cfb344b790… |
| 2026-09-10 09:11 | REL-SNAP-037 | OK | 98 ms | 28 | 7cd238cfb344b790… |
| 2026-09-09 09:18 | REL-SNAP-036 | OK | 48 ms | 28 | 7cd238cfb344b790… |
| 2026-09-08 09:29 | REL-SNAP-035 | OK | 64 ms | 28 | 7cd238cfb344b790… |
| 2026-09-07 09:37 | REL-SNAP-034 | OK | 56 ms | 28 | 7cd238cfb344b790… |
| 2026-09-06 09:18 | REL-SNAP-033 | OK | 43 ms | 28 | 7cd238cfb344b790… |
| 2026-09-05 09:10 | REL-SNAP-032 | OK | 52 ms | 28 | 7cd238cfb344b790… |
| 2026-09-04 09:24 | REL-SNAP-031 | OK | 53 ms | 28 | 7cd238cfb344b790… |
| 2026-09-03 09:33 | REL-SNAP-030 | OK | 49 ms | 28 | 7cd238cfb344b790… |
| 2026-09-02 09:12 | REL-SNAP-029 | OK | 57 ms | 28 | 7cd238cfb344b790… |
| 2026-09-01 09:05 | REL-SNAP-028 | OK | 46 ms | 28 | 7cd238cfb344b790… |
| 2026-08-31 09:10 | REL-SNAP-027 | OK | 54 ms | 28 | 7cd238cfb344b790… |
| 2026-08-30 09:07 | REL-SNAP-026 | OK | 48 ms | 28 | 7cd238cfb344b790… |
| 2026-08-29 09:05 | REL-SNAP-025 | OK | 48 ms | 28 | 7cd238cfb344b790… |
| 2026-08-28 09:15 | REL-SNAP-024 | OK | 53 ms | 28 | 7cd238cfb344b790… |
| 2026-08-27 09:18 | REL-SNAP-023 | OK | 60 ms | 28 | 7cd238cfb344b790… |
| 2026-08-26 09:04 | REL-SNAP-022 | OK | 50 ms | 28 | 7cd238cfb344b790… |
| 2026-08-25 09:08 | REL-SNAP-021 | OK | 46 ms | 28 | 7cd238cfb344b790… |
| 2026-08-24 09:06 | REL-SNAP-020 | OK | 56 ms | 28 | 7cd238cfb344b790… |
| 2026-08-23 10:03 | REL-SNAP-019 | OK | 51 ms | 28 | 7cd238cfb344b790… |
| 2026-08-22 09:02 | REL-SNAP-018 | OK | 42 ms | 28 | 7cd238cfb344b790… |
| 2026-08-21 09:25 | REL-SNAP-017 | OK | 54 ms | 28 | 7cd238cfb344b790… |
| 2026-08-20 09:10 | REL-SNAP-016 | OK | 49 ms | 28 | 32354bfb798144e1… |
| 2026-08-19 09:02 | REL-SNAP-015 | OK | 45 ms | 28 | 760e29994aa06350… |
| 2026-08-18 09:19 | REL-SNAP-014 | OK | 41 ms | 28 | 760e29994aa06350… |
| 2026-08-17 11:51 | REL-SNAP-013 | OK | 32 ms | 28 | 760e29994aa06350… |
| 2026-08-16 09:01 | REL-SNAP-012 | OK | 88 ms | 28 | 760e29994aa06350… |
| 2026-08-15 09:01 | REL-SNAP-011 | OK | 33 ms | 28 | 760e29994aa06350… |
| 2026-08-14 09:10 | REL-SNAP-010 | OK | 72 ms | 28 | 760e29994aa06350… |
| 2026-08-13 08:58 | REL-SNAP-009 | OK | 36 ms | 28 | 760e29994aa06350… |
| 2026-08-12 09:04 | REL-SNAP-008 | OK | 51 ms | 28 | 760e29994aa06350… |
| 2026-08-11 09:05 | REL-SNAP-007 | OK | 41 ms | 28 | 760e29994aa06350… |
| 2026-08-10 09:02 | REL-SNAP-006 | OK | 36 ms | 27 | 3a2b44f5002fbca3… |
| 2026-08-09 09:04 | REL-SNAP-005 | OK | 32 ms | 25 | afcbffc2c37f3885… |
| 2026-08-08 10:23 | REL-SNAP-004 | OK | 27 ms | 25 | afcbffc2c37f3885… |
| 2026-08-07 08:41 | REL-SNAP-003 | OK | 37 ms | 25 | afcbffc2c37f3885… |
| 2026-08-06 17:55 | REL-SNAP-002 | OK | 33 ms | 25 | afcbffc2c37f3885… |
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
- Is agent-cold-email-api.yaakovscher.workers.dev/mcp reliable?
- Its sealed grade is A (grade/v1, sealed in REL-SNAP-051). 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?
- 24 September 2026, in snapshot REL-SNAP-051, where it was recorded as OK.
- Has its tool list changed?
- Yes. Its tool schema fingerprint changed 4 times on the record. Each change is dated in the observations below.