Evidence row 29650

What was observed

{
  "endpoints": [
    [
      "web",
      "https://github.com/meador793/stats-explorer-mcp"
    ]
  ],
  "name": "Stats Explorer",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-24T17:30:33.464996Z",
        "status": "active",
        "statusChangedAt": "2026-10-24T17:30:33.464996Z",
        "updatedAt": "2026-10-24T17:30:33.464996Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Verified statistics for AI agents: guided tests, A/B tests, Tukey HSD, reports, optional Jev checks.",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "256x256"
          ],
          "src": "https://raw.githubusercontent.com/meador793/stats-explorer-mcp/main/vscode-extension/media/icon.png"
        }
      ],
      "name": "io.github.Meador793/stats-explorer-mcp",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Folders the tools may read data files from and write reports to (separated by : on macOS/Linux, ; on Windows). Defaults to the client's workspace roots, or the current directory.",
              "format": "string",
              "name": "STATS_EXPLORER_ROOTS"
            },
            {
              "default": "512",
              "description": "CSV/TSV/Parquet files above this size (MB) are streamed in parallel passes; any size works. Default 512.",
              "format": "number",
              "name": "STATS_EXPLORER_STREAM_MB"
            },
            {
              "description": "Parallel readers for large files. Default: all CPU cores but one (max 16).",
              "format": "number",
              "name": "STATS_EXPLORER_WORKERS"
            },
            {
              "choices": [
                "ask",
                "on",
                "off"
              ],
              "default": "ask",
              "description": "Keep columns read from large files for fast follow-up questions: ask (default), on or off.",
              "format": "string",
              "name": "STATS_EXPLORER_CACHE"
            },
            {
              "description": "Folder for saved large-file columns. Default: the system temp folder.",
              "format": "string",
              "name": "STATS_EXPLORER_CACHE_DIR"
            },
            {
              "description": "Refuse data files larger than this (MB). Default: no limit.",
              "format": "number",
              "name": "STATS_EXPLORER_MAX_FILE_MB"
            },
            {
              "choices": [
                "on",
                "off"
              ],
              "default": "on",
              "description": "on (default): classify each request and follow the six-step workflow for hypothesis tests. off: expose the individual test tools directly.",
              "format": "string",
              "name": "STATS_EXPLORER_GUIDED"
            },
            {
              "choices": [
                "on",
                "off"
              ],
              "default": "on",
              "description": "on (default): the user confirms every column, chart type and report section before anything runs. off: run with the AI's choices.",
              "format": "string",
              "name": "STATS_EXPLORER_CONFIRM_SELECTIONS"
            },
            {
              "choices": [
                "auto",
                "chat"
              ],
              "default": "auto",
              "description": "auto (default): forms where the client supports them. chat: always ask in the conversation (recommended for Claude Code).",
              "format": "string",
              "name": "STATS_EXPLORER_CONFIRM_VIA"
            },
            {
              "description": "Set to 1 to remove the one-line Stats Explorer app link from results.",
              "format": "string",
              "name": "STATS_EXPLORER_HIDE_LINK"
            },
            {
              "choices": [
                "off",
                "cooperate",
                "enforce",
                "orchestrated"
              ],
              "default": "off",
              "description": "Independent checks by Jev (TypeSafe): off (default), cooperate (the AI calls your Jev MCP server), enforce (Stats Explorer calls the Jev API) or orchestrated (signed decisions from an orchestrator).",
              "format": "string",
              "name": "STATS_EXPLORER_JEV"
            },
            {
              "default": "plan,conclusions",
              "description": "Comma list of plan, conclusions, data. Default plan,conclusions (data sends column names and text samples to Jev).",
              "format": "string",
              "name": "STATS_EXPLORER_JEV_CHECKPOINTS"
            },
            {
              "description": "Enforce mode only: TypeSafe API key Stats Explorer uses to call Jev.",
              "format": "string",
              "isSecret": true,
              "name": "TYPESAFE_API_KEY"
            },
            {
              "description": "Orchestrated mode only: shared secret (32+ characters) the orchestrator signs decisions with.",
              "format": "string",
              "isSecret": true,
              "name": "STATS_EXPLORER_APPROVAL_SECRET"
            },
            {
              "description": "Path of a JSON Lines file recording every Jev checkpoint decision.",
              "format": "string",
              "name": "STATS_EXPLORER_AUDIT_LOG"
            }
          ],
          "identifier": "stats-explorer-mcp",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "1.5.1"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/meador793/stats-explorer-mcp"
      },
      "title": "Stats Explorer",
      "version": "1.5.1",
      "websiteUrl": "https://github.com/meador793/stats-explorer-mcp#readme"
    }
  },
  "source": "mcp_registry",
  "summary": "Verified statistics for AI agents: guided tests, A/B tests, Tukey HSD, reports, optional Jev checks."
}

What the leaf hashes

{"body":"876e62449f78c35a8bb1a45ec2f898082ac0a2069dac4ea2a764701ffb58f69b","id":29650,"kind":"listing","method":"baseline/1","observed_us":1793025361339236,"prev":null,"subject":"mcp_registry:io.github.Meador793/stats-explorer-mcp","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x5505c5ed19340062326cb312a8f21287ccce3ca3cbbc98a24d9473c6aeb5a60d
2. 0xb009d54ddbf2570deed862e77d87bd498a74c4d038971d82338e8489d5b7ee10
3. 0xfd5c1fd2e3ab6161f9b7c4912c4efdef47fea2c6930e838328bd7d0a1b4d9bf2
4. 0x4c8532997def139b103a24d90ed76d5cced16f39d0524b2d35bcb192f1e5f1b0
5. 0xc50fc061f3d92143d1ee5c242831ad7bec82c00b6bea7021be9d00512f9e7caf
6. 0x03a53983628e5bc7e36883a4b262f9feba8d0c3f845d0f244d17949ff3a73db1
7. 0x8367821b0b31236877d15b95301fa2c3423640129c7f971b3e17a5259d5223ca
8. 0x63b713f1961c59ff6c50b4268a9376c0f3143f48636d1a9456a31ce4fb1e9f39
9. 0x676d16479f4b0971511125f567e45fd6b7f3901b33f7d8229532f348fd0c04eb
10. 0x8e8c9b31337ede7207f8e4fe9c7366ca7f86d7b9cb07433912898a3bd07a6373
11. 0xec824c3c9c635c0935294afc42b42d41176d63a67e608b45abf49b05e262e664
12. 0x774d66905c34a786c6d34bf1c4491dbdb08f534c9eb5f76cf3de03385d28f388
13. 0xd830c52e1e8095e014510110592485afcb02b9c9a36f85653e4891a8de941246
14. 0x0733993143f0230e79482cef2c38e95d98f9eafbe64a43cdc74a4545938a4167
15. 0x2be1e80e065dd6b2cc75a7142be22225acd144ac975d70bf24b4f01fd76dc497
16. 0x2e6a32eb32761c210560e852405e2f865f958ddbe01027894f8b9c1b3433b9f0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae