{
  "checker": {
    "claims": [
      {
        "claim": "Node.js prerequisite for Quick Start",
        "command": "",
        "evidence": "Node package installation provided Node 18, which does not meet the README prerequisite.",
        "expected": "",
        "input": "",
        "kind": "claim",
        "outcome": "Node package installation provided Node 18, which does not meet the README prerequisite.",
        "source": "You need Node.js 22 or later, or Docker.",
        "source_checked": true,
        "source_file": "README.md",
        "verdict": "blocked"
      }
    ],
    "cycle_checks": [
      {
        "claim": "Scheduled or looping main behavior",
        "command": "",
        "evidence": "README entry points describe request driven CLI, server and web UI; no product scheduler or cycle trigger is documented.",
        "expected": "identify the product trigger",
        "input": "source inspection",
        "kind": "cycle",
        "outcome": "README entry points describe request driven CLI, server and web UI; no product scheduler or cycle trigger is documented.",
        "source": "repository entry points",
        "verdict": "yes"
      }
    ],
    "details": {
      "argv": [
        "npx",
        "@arabold/docs-mcp-server@latest",
        "search",
        "react",
        "useEffect cleanup",
        "--output",
        "yaml"
      ],
      "blocker": "product invocation failed: {\"argv\": [\"npx\", \"@arabold/docs-mcp-server@latest\", \"search\", \"react\", \"useEffect cleanup\", \"--output\", \"yaml\"], \"returncode\": 1, \"stdout\": \"\", \"stderr\": \"You are running Node.js 18.19.1.\\nPlaywright requires Node.js 20 or higher. \\nPlease update your version of Node.js.\\n\", \"needs_credentials\": false, \"needs_browser\": false}",
      "kind": "cli",
      "needs_browser": false,
      "needs_credentials": false,
      "returncode": 1,
      "stderr": "You are running Node.js 18.19.1.\nPlaywright requires Node.js 20 or higher. \nPlease update your version of Node.js.",
      "stdout": "",
      "working": false
    },
    "evidence_strength": "nothing_checked",
    "example_checks": [
      {
        "claim": "README CLI search example",
        "command": "",
        "deferred": false,
        "evidence": "Node.js 22 is required; the available packaged Node runtime is 18.",
        "expected": "documented command completes successfully",
        "input": "",
        "kind": "example",
        "outcome": "Node.js 22 is required; the available packaged Node runtime is 18.",
        "source": "README.md, Command Line",
        "verdict": "blocked"
      }
    ],
    "status": "FAIL"
  },
  "deviations": [
    "Ubuntu apt installed its packaged Node 18 runtime, below the repository requirement of Node 22; no supported runtime available for the documented operation"
  ],
  "fault_owner": "prerequisite",
  "main_blocker": "Node.js 22 is required; installed Ubuntu Node is 18",
  "operation": "README CLI search/index operation",
  "operation_scope": "Node.js 22 or later required",
  "outcome": "blocked",
  "plain_failure": "The required Node 22 runtime was not available in the guest, so the application operation could not be run.",
  "steps": [
    "Read README and repository instructions",
    "Pinned source to 715c0777a34b14b474f786ee2deef1cd8ec2c00d",
    "Attempted sudo -n apt-get update && sudo -n apt-get install -y nodejs npm"
  ],
  "stuck_step": "Run README npm/npx operation",
  "suggested_fix": "Install Node.js 22 in the guest and rerun the documented CLI or MCP operation."
}