53on.com/mcp
Graded A by MCP Verify under grade/v1, sealed in snapshot REL-SNAP-084 on 27 October 2026. Recorded reachable in 67 of 67 observations since 22 August 2026.
A
Sealed grades: A from REL-SNAP-037 to REL-SNAP-084.
- Reachable
- Reachable, asked to sign in or pay
- Not reachable
- Not observed
- Transport
- streamable-http
- Tools listed
- 2
- Tool schema fingerprint
- 0d191ab3f00a2be7…unchanged since first observed
- Name reported by the server
- 53ONself-reported, never used as identity
- Registry names (not anchored)
- com.53on/directoryas the registry listed it; not covered by the chain
- First and last observed
- 22 Aug 2026 to 27 Oct 2026
Observations
Newest first. Each row is a separate look, not a summary.
| Observed (UTC) | Snapshot | Recorded as | Latency | Tools | Tool schema |
|---|---|---|---|---|---|
| 2026-10-27 08:56 | REL-SNAP-084 | OK | 271 ms | 2 | 0d191ab3f00a2be7… |
| 2026-10-26 08:56 | REL-SNAP-083 | OK | 323 ms | 2 | 0d191ab3f00a2be7… |
| 2026-10-25 08:55 | REL-SNAP-082 | OK | 248 ms | 2 | 0d191ab3f00a2be7… |
| 2026-10-24 08:55 | REL-SNAP-081 | OK | 242 ms | 2 | 0d191ab3f00a2be7… |
| 2026-10-23 10:05 | REL-SNAP-080 | OK | 247 ms | 2 | 0d191ab3f00a2be7… |
| 2026-10-22 09:42 | REL-SNAP-079 | OK | 438 ms | 2 | 0d191ab3f00a2be7… |
| 2026-10-21 09:22 | REL-SNAP-078 | OK | 285 ms | 2 | 0d191ab3f00a2be7… |
| 2026-10-20 09:49 | REL-SNAP-077 | OK | 256 ms | 2 | 0d191ab3f00a2be7… |
Show all 67 observations
| 2026-10-19 10:00 | REL-SNAP-076 | OK | 258 ms | 2 | 0d191ab3f00a2be7… |
| 2026-10-18 09:03 | REL-SNAP-075 | OK | 337 ms | 2 | 0d191ab3f00a2be7… |
| 2026-10-17 09:02 | REL-SNAP-074 | OK | 275 ms | 2 | 0d191ab3f00a2be7… |
| 2026-10-16 09:14 | REL-SNAP-073 | OK | 420 ms | 2 | 0d191ab3f00a2be7… |
| 2026-10-15 09:19 | REL-SNAP-072 | OK | 241 ms | 2 | 0d191ab3f00a2be7… |
| 2026-10-14 09:24 | REL-SNAP-071 | OK | 431 ms | 2 | 0d191ab3f00a2be7… |
| 2026-10-13 09:26 | REL-SNAP-070 | OK | 274 ms | 2 | 0d191ab3f00a2be7… |
| 2026-10-12 10:07 | REL-SNAP-069 | OK | 232 ms | 2 | 0d191ab3f00a2be7… |
| 2026-10-11 09:00 | REL-SNAP-068 | OK | 239 ms | 2 | 0d191ab3f00a2be7… |
| 2026-10-10 09:02 | REL-SNAP-067 | OK | 231 ms | 2 | 0d191ab3f00a2be7… |
| 2026-10-09 09:04 | REL-SNAP-066 | OK | 226 ms | 2 | 0d191ab3f00a2be7… |
| 2026-10-08 09:15 | REL-SNAP-065 | OK | 245 ms | 2 | 0d191ab3f00a2be7… |
| 2026-10-07 09:26 | REL-SNAP-064 | OK | 238 ms | 2 | 0d191ab3f00a2be7… |
| 2026-10-06 09:01 | REL-SNAP-063 | OK | 230 ms | 2 | 0d191ab3f00a2be7… |
| 2026-10-05 09:49 | REL-SNAP-062 | OK | 441 ms | 2 | 0d191ab3f00a2be7… |
| 2026-10-04 09:17 | REL-SNAP-061 | OK | 229 ms | 2 | 0d191ab3f00a2be7… |
| 2026-10-03 09:09 | REL-SNAP-060 | OK | 230 ms | 2 | 0d191ab3f00a2be7… |
| 2026-10-02 09:06 | REL-SNAP-059 | OK | 232 ms | 2 | 0d191ab3f00a2be7… |
| 2026-10-01 09:10 | REL-SNAP-058 | OK | 239 ms | 2 | 0d191ab3f00a2be7… |
| 2026-09-30 09:34 | REL-SNAP-057 | OK | 274 ms | 2 | 0d191ab3f00a2be7… |
| 2026-09-29 09:30 | REL-SNAP-056 | OK | 231 ms | 2 | 0d191ab3f00a2be7… |
| 2026-09-28 09:42 | REL-SNAP-055 | OK | 231 ms | 2 | 0d191ab3f00a2be7… |
| 2026-09-27 09:28 | REL-SNAP-054 | OK | 231 ms | 2 | 0d191ab3f00a2be7… |
| 2026-09-26 09:15 | REL-SNAP-053 | OK | 247 ms | 2 | 0d191ab3f00a2be7… |
| 2026-09-25 09:39 | REL-SNAP-052 | OK | 234 ms | 2 | 0d191ab3f00a2be7… |
| 2026-09-24 09:41 | REL-SNAP-051 | OK | 238 ms | 2 | 0d191ab3f00a2be7… |
| 2026-09-23 09:46 | REL-SNAP-050 | OK | 223 ms | 2 | 0d191ab3f00a2be7… |
| 2026-09-22 09:25 | REL-SNAP-049 | OK | 240 ms | 2 | 0d191ab3f00a2be7… |
| 2026-09-21 09:09 | REL-SNAP-048 | OK | 251 ms | 2 | 0d191ab3f00a2be7… |
| 2026-09-20 09:28 | REL-SNAP-047 | OK | 419 ms | 2 | 0d191ab3f00a2be7… |
| 2026-09-19 09:13 | REL-SNAP-046 | OK | 409 ms | 2 | 0d191ab3f00a2be7… |
| 2026-09-18 09:27 | REL-SNAP-045 | OK | 244 ms | 2 | 0d191ab3f00a2be7… |
| 2026-09-17 09:36 | REL-SNAP-044 | OK | 235 ms | 2 | 0d191ab3f00a2be7… |
| 2026-09-16 09:53 | REL-SNAP-043 | OK | 400 ms | 2 | 0d191ab3f00a2be7… |
| 2026-09-15 09:28 | REL-SNAP-042 | OK | 230 ms | 2 | 0d191ab3f00a2be7… |
| 2026-09-14 09:34 | REL-SNAP-041 | OK | 233 ms | 2 | 0d191ab3f00a2be7… |
| 2026-09-13 09:34 | REL-SNAP-040 | OK | 415 ms | 2 | 0d191ab3f00a2be7… |
| 2026-09-12 09:07 | REL-SNAP-039 | OK | 238 ms | 2 | 0d191ab3f00a2be7… |
| 2026-09-11 09:15 | REL-SNAP-038 | OK | 234 ms | 2 | 0d191ab3f00a2be7… |
| 2026-09-10 09:15 | REL-SNAP-037 | OK | 234 ms | 2 | 0d191ab3f00a2be7… |
| 2026-09-09 09:22 | REL-SNAP-036 | OK | 240 ms | 2 | 0d191ab3f00a2be7… |
| 2026-09-08 09:35 | REL-SNAP-035 | OK | 408 ms | 2 | 0d191ab3f00a2be7… |
| 2026-09-07 09:43 | REL-SNAP-034 | OK | 234 ms | 2 | 0d191ab3f00a2be7… |
| 2026-09-06 09:22 | REL-SNAP-033 | OK | 235 ms | 2 | 0d191ab3f00a2be7… |
| 2026-09-05 09:13 | REL-SNAP-032 | OK | 413 ms | 2 | 0d191ab3f00a2be7… |
| 2026-09-04 09:28 | REL-SNAP-031 | OK | 243 ms | 2 | 0d191ab3f00a2be7… |
| 2026-09-03 09:37 | REL-SNAP-030 | OK | 244 ms | 2 | 0d191ab3f00a2be7… |
| 2026-09-02 09:16 | REL-SNAP-029 | OK | 238 ms | 2 | 0d191ab3f00a2be7… |
| 2026-09-01 09:09 | REL-SNAP-028 | OK | 398 ms | 2 | 0d191ab3f00a2be7… |
| 2026-08-31 09:15 | REL-SNAP-027 | OK | 405 ms | 2 | 0d191ab3f00a2be7… |
| 2026-08-30 09:11 | REL-SNAP-026 | OK | 252 ms | 2 | 0d191ab3f00a2be7… |
| 2026-08-29 09:09 | REL-SNAP-025 | OK | 249 ms | 2 | 0d191ab3f00a2be7… |
| 2026-08-28 09:19 | REL-SNAP-024 | OK | 258 ms | 2 | 0d191ab3f00a2be7… |
| 2026-08-27 09:22 | REL-SNAP-023 | OK | 243 ms | 2 | 0d191ab3f00a2be7… |
| 2026-08-26 09:09 | REL-SNAP-022 | OK | 255 ms | 2 | 0d191ab3f00a2be7… |
| 2026-08-25 09:12 | REL-SNAP-021 | OK | 242 ms | 2 | 0d191ab3f00a2be7… |
| 2026-08-24 09:10 | REL-SNAP-020 | OK | 244 ms | 2 | 0d191ab3f00a2be7… |
| 2026-08-23 10:07 | REL-SNAP-019 | OK | 243 ms | 2 | 0d191ab3f00a2be7… |
| 2026-08-22 09:06 | REL-SNAP-018 | OK | 247 ms | 2 | 0d191ab3f00a2be7… |
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 53on.com/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?
- No. It listed the same tools, with the same schema fingerprint, in every observation since 22 Aug 2026.