{
  "checker": {
    "details": {
      "argv": [
        "/tmp/rtsbin/node_modules/.bin/rtailscale",
        "mcp"
      ],
      "kind": "mcp",
      "scope": "product operation",
      "serverInfo": {
        "description": "Rust MCP server and CLI for Tailscale tailnet operations across devices, users, keys, and policy workflows.",
        "icons": [
          {
            "mimeType": "image/png",
            "sizes": [
              "460x460"
            ],
            "src": "https://avatars.githubusercontent.com/u/38927646?v=4",
            "theme": "dark"
          }
        ],
        "name": "tailscale-rmcp",
        "title": "Tailscale RMCP",
        "version": "0.1.4",
        "websiteUrl": "https://github.com/jmagar/rtailscale#readme"
      },
      "tools": [
        "tailscale"
      ],
      "working": true
    },
    "status": "PASS"
  },
  "deviations": [
    "README uses 'npx -y @dinglebear/rtailscale mcp'; instead installed the package locally with npm install into /tmp/rtsbin and ran its binary by absolute path, so the checker does not depend on npx resolution.",
    "Node.js/npm were not preinstalled; installed via apt (Node v18.19.1, npm 9.2.0)."
  ],
  "main_blocker": null,
  "operation": "Start stdio MCP server (rtailscale mcp) and list tools; tools/list returns the 'tailscale' tool with action enum (devices, device, device_routes, keys, acl, dns, users, authorize_device, delete_device, help).",
  "operation_scope": "Verified MCP initialize + tools/list only. Read/write actions (devices, authorize_device, etc.) were not exercised because they need TAILSCALE_API_KEY, which is not available in this guest and must not be passed as tool arguments.",
  "outcome": "working",
  "steps": [
    "apt-get install -y nodejs npm (README npm/npx path prerequisite; node was absent)",
    "export NODE_USE_ENV_PROXY=1; npm install @dinglebear/rtailscale in /tmp/rtsbin (README 'npm / npx' install; postinstall binary download succeeded)",
    "/tmp/rtsbin/node_modules/.bin/rtailscale --help",
    "rtailscale mcp, initialize + tools/list over stdio"
  ],
  "stuck_step": null,
  "suggested_fix": null
}