{
  "checker": {
    "details": {
      "argv": [
        "<host-path>"
      ],
      "kind": "mcp",
      "scope": "product operation",
      "serverInfo": {
        "description": "Add and correct transactions in a self-hosted BitcoinTX Bitcoin tax ledger.",
        "name": "bitcointx",
        "title": "BitcoinTX",
        "version": ""
      },
      "tools": [
        "get_ledger_guide",
        "get_portfolio",
        "list_transactions",
        "get_btc_price",
        "review_ledger",
        "preview_transactions",
        "add_transactions",
        "update_transaction",
        "delete_transaction",
        "recalculate_ledger",
        "backup_ledger"
      ],
      "working": true
    },
    "status": "PASS"
  },
  "deviations": [
    "Plain python3 -m venv failed on the guest (ensurepip not available); installed python3.12-venv via apt and recreated the venv. The README's pip install line assumes an environment where this is not needed.",
    "The README's `uvx btctx-mcp==X.Y.Z` path was not used; installed from the pinned checkout with pip, per the mcp_server/README.md 'pip install ./mcp_server' option."
  ],
  "main_blocker": null,
  "operation": "Started the BitcoinTX MCP server (btctx-mcp, installed from mcp_server/ via pip into a venv) over stdio, completed the MCP initialize handshake, and called tools/list, which returned 11 tools: get_ledger_guide, get_portfolio, list_transactions, get_btc_price, review_ledger, preview_transactions, add_transactions, update_transaction, delete_transaction, recalculate_ledger, backup_ledger.",
  "operation_scope": "MCP server start and tools/list only. Tools that read or write the ledger need a running BitcoinTX instance (BTCTX_URL) and an AI key (BTCTX_AI_KEY); neither was started or created, so no ledger calls were exercised. Unit tests and lint were not run, per the task.",
  "outcome": "working",
  "steps": [
    "Read README.md and mcp_server/README.md",
    "python3 -m venv <host-path> (failed: ensurepip missing)",
    "sudo apt-get install -y python3.12-venv",
    "python3 -m venv <host-path>",
    "<host-path> install -q ./mcp_server",
    "Stdio MCP handshake: initialize, notifications/initialized, tools/list against <host-path>"
  ],
  "stuck_step": null,
  "suggested_fix": null
}