> NOTICE — Pre-launch build. Every record here is a dated observation of a real MCP endpoint operated by a third party, rendered from the published archive. Coverage is partial — the figures cover the snapshots in the export this build was made from, not the whole chain and not the whole ecosystem. Claims and badges are not open.

# sessionplan.de/mcp

Last observed: 2026-08-30T09:11:08.014Z
Recorded as: PROTOCOL_ERROR (schema_validation_failed)
Transport: streamable-http
Observations held: 11
Published: yes

## Observations

| Observed | Snapshot | Recorded as | Detail | Latency ms | Tools | Tool schema fingerprint |
|---|---|---|---|---|---|---|
| 2026-08-20T09:12:59.607Z | REL-SNAP-016 | OK | - | 32 | 2 | 6b4448e4345c4c1f4a1bc76d2506a05c632eff3ac71f6f765451c9ccbaee2441 |
| 2026-08-21T09:29:22.051Z | REL-SNAP-017 | PROTOCOL_ERROR | schema_validation_failed | - | - | - |
| 2026-08-22T09:05:55.903Z | REL-SNAP-018 | PROTOCOL_ERROR | schema_validation_failed | - | - | - |
| 2026-08-23T10:06:35.364Z | REL-SNAP-019 | PROTOCOL_ERROR | schema_validation_failed | - | - | - |
| 2026-08-24T09:09:52.065Z | REL-SNAP-020 | PROTOCOL_ERROR | schema_validation_failed | - | - | - |
| 2026-08-25T09:11:56.380Z | REL-SNAP-021 | PROTOCOL_ERROR | schema_validation_failed | - | - | - |
| 2026-08-26T09:08:23.810Z | REL-SNAP-022 | PROTOCOL_ERROR | schema_validation_failed | - | - | - |
| 2026-08-27T09:21:58.793Z | REL-SNAP-023 | PROTOCOL_ERROR | schema_validation_failed | - | - | - |
| 2026-08-28T09:19:05.919Z | REL-SNAP-024 | PROTOCOL_ERROR | schema_validation_failed | - | - | - |
| 2026-08-29T09:09:06.666Z | REL-SNAP-025 | PROTOCOL_ERROR | schema_validation_failed | - | - | - |
| 2026-08-30T09:11:08.014Z | REL-SNAP-026 | PROTOCOL_ERROR | schema_validation_failed | - | - | - |

## Identity

Record key: sessionplan.de/mcp (the normalised endpoint observed)
Registry names (not anchored — no inclusion proof reaches this field): de.sessionplan/sessionplan (what the registry said when we swept it, as observed by us — not evidence that the registry was correct, that the name belongs to whoever registered it, or that it still resolves)
Name reported by the server: not reported (self-reported, unverified, never used as identity)

Each observation carries a merkle leaf in the snapshot it belongs to. The chain
establishes that a root existed by a given time; it does not establish that any
measurement is true.