> 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.

# xproof.app/mcp

Last observed: 2026-08-30T08:23:48.639Z
Recorded as: PROTOCOL_ERROR (streamable_http_error)
Transport: streamable-http
Observations held: 25
Published: yes

## Observations

| Observed | Snapshot | Recorded as | Detail | Latency ms | Tools | Tool schema fingerprint |
|---|---|---|---|---|---|---|
| 2026-08-06T17:21:08.231Z | REL-SNAP-002 | OK | - | 753 | 13 | ad0492dca9605534390fc77cb5baaeb3aeb5df2ddf71a8bb00d9a0398ccba78f |
| 2026-08-07T08:06:37.880Z | REL-SNAP-003 | OK | - | 659 | 13 | ad0492dca9605534390fc77cb5baaeb3aeb5df2ddf71a8bb00d9a0398ccba78f |
| 2026-08-08T09:46:18.229Z | REL-SNAP-004 | OK | - | 823 | 13 | ad0492dca9605534390fc77cb5baaeb3aeb5df2ddf71a8bb00d9a0398ccba78f |
| 2026-08-09T08:30:00.209Z | REL-SNAP-005 | OK | - | 808 | 13 | ad0492dca9605534390fc77cb5baaeb3aeb5df2ddf71a8bb00d9a0398ccba78f |
| 2026-08-10T08:23:52.936Z | REL-SNAP-006 | OK | - | 715 | 13 | ad0492dca9605534390fc77cb5baaeb3aeb5df2ddf71a8bb00d9a0398ccba78f |
| 2026-08-11T08:28:21.072Z | REL-SNAP-007 | OK | - | 773 | 13 | ad0492dca9605534390fc77cb5baaeb3aeb5df2ddf71a8bb00d9a0398ccba78f |
| 2026-08-12T08:28:04.908Z | REL-SNAP-008 | OK | - | 914 | 13 | ad0492dca9605534390fc77cb5baaeb3aeb5df2ddf71a8bb00d9a0398ccba78f |
| 2026-08-13T08:23:07.570Z | REL-SNAP-009 | OK | - | 723 | 13 | ad0492dca9605534390fc77cb5baaeb3aeb5df2ddf71a8bb00d9a0398ccba78f |
| 2026-08-14T08:31:39.831Z | REL-SNAP-010 | OK | - | 800 | 13 | ad0492dca9605534390fc77cb5baaeb3aeb5df2ddf71a8bb00d9a0398ccba78f |
| 2026-08-15T08:22:45.392Z | REL-SNAP-011 | OK | - | 747 | 13 | ad0492dca9605534390fc77cb5baaeb3aeb5df2ddf71a8bb00d9a0398ccba78f |
| 2026-08-16T08:23:35.392Z | REL-SNAP-012 | OK | - | 822 | 13 | ad0492dca9605534390fc77cb5baaeb3aeb5df2ddf71a8bb00d9a0398ccba78f |
| 2026-08-17T09:00:33.386Z | REL-SNAP-013 | OK | - | 738 | 13 | ad0492dca9605534390fc77cb5baaeb3aeb5df2ddf71a8bb00d9a0398ccba78f |
| 2026-08-18T08:23:17.517Z | REL-SNAP-014 | OK | - | 790 | 13 | ad0492dca9605534390fc77cb5baaeb3aeb5df2ddf71a8bb00d9a0398ccba78f |
| 2026-08-19T08:21:25.921Z | REL-SNAP-015 | OK | - | 394 | 13 | ad0492dca9605534390fc77cb5baaeb3aeb5df2ddf71a8bb00d9a0398ccba78f |
| 2026-08-20T08:29:42.552Z | REL-SNAP-016 | HTTP_4XX | http_405 | - | - | - |
| 2026-08-21T08:45:55.373Z | REL-SNAP-017 | PROTOCOL_ERROR | streamable_http_error | - | - | - |
| 2026-08-22T08:22:37.472Z | REL-SNAP-018 | PROTOCOL_ERROR | streamable_http_error | - | - | - |
| 2026-08-23T09:23:52.966Z | REL-SNAP-019 | PROTOCOL_ERROR | streamable_http_error | - | - | - |
| 2026-08-24T08:25:57.977Z | REL-SNAP-020 | PROTOCOL_ERROR | streamable_http_error | - | - | - |
| 2026-08-25T08:25:51.594Z | REL-SNAP-021 | PROTOCOL_ERROR | streamable_http_error | - | - | - |
| 2026-08-26T08:21:25.346Z | REL-SNAP-022 | PROTOCOL_ERROR | streamable_http_error | - | - | - |
| 2026-08-27T08:32:33.331Z | REL-SNAP-023 | PROTOCOL_ERROR | streamable_http_error | - | - | - |
| 2026-08-28T08:32:10.797Z | REL-SNAP-024 | PROTOCOL_ERROR | streamable_http_error | - | - | - |
| 2026-08-29T08:21:38.650Z | REL-SNAP-025 | PROTOCOL_ERROR | streamable_http_error | - | - | - |
| 2026-08-30T08:23:48.639Z | REL-SNAP-026 | PROTOCOL_ERROR | streamable_http_error | - | - | - |

## Identity

Record key: xproof.app/mcp (the normalised endpoint observed)
Registry names (not anchored — no inclusion proof reaches this field): io.github.jasonxkensei/xproof (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.