Stats Explorer

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