{
  "slug": "chrome-devtools-mcp-emulation-supports-colorscheme-2274f480ff19",
  "title": "chrome-devtools-mcp emulation supports colorScheme",
  "tools": [
    "chrome-devtools-mcp"
  ],
  "tags": [
    "agent"
  ],
  "introduced_at": "2026-01-29T12:38:59.000Z",
  "announced_at": "2026-01-29T12:38:59.000Z",
  "effective_at": null,
  "date_basis": "source-publication",
  "status": "unknown",
  "how": {
    "incantation": "When testing a page in light or dark mode, call `emulate` with `colorScheme` set to `\"light\"` or `\"dark\"`. Set it to `\"auto\"` to reset to the default.",
    "examples": [
      "emulate({\"colorScheme\":\"dark\"})"
    ],
    "gotchas": [
      "Version: 0.15.0",
      "colorScheme: Enum `\"dark\"`, `\"light\"`, or `\"auto\"`; emulates dark or light mode, with `\"auto\"` resetting to default.",
      "Accepted colorScheme values are \"dark\", \"light\", and \"auto\"."
    ]
  },
  "why_it_matters": "Test a page's appearance under light or dark color scheme settings.",
  "sources": [
    "https://github.com/ChromeDevTools/chrome-devtools-mcp/releases/tag/chrome-devtools-mcp-v0.15.0",
    "https://github.com/ChromeDevTools/chrome-devtools-mcp/pull/858",
    "https://github.com/ChromeDevTools/chrome-devtools-mcp/blob/chrome-devtools-mcp-v0.15.0/docs/tool-reference.md"
  ],
  "rank": 0.98022,
  "judge": {
    "publish": true,
    "judge_model": "codex-cli/gpt-6-luna+typesafe/jev-1.13.0",
    "prompt_version": "extract-v7+enrich-v1+judge-v2x3+jev-publish-v1"
  },
  "review_state": "approved",
  "provenance": {
    "run_id": "ghtools-20261008",
    "verdict_id": "ghtools-20261008:ghtools-20261008-79650bb28315ecbd-2:gate",
    "evidence_hash": "dcd5bd69a2749e1fd9008c0ceb856e74885147b8fd0251dd307340df0b4d8602"
  },
  "review": {
    "draft_hash": "cc3781fb032d237e4321af185e4749027d1a58fceeae17f1e2210d66a4789acf",
    "reviewer": "publication-gate",
    "reviewed_at": "2026-10-07T00:00:00.000Z",
    "decision": "ghtools-20261008:gate",
    "reason": "3 of 3 judge runs approved with p_yes >= 0.9 (mean 0.98 >= 0.9; 2 needed) and Jev gave 0.82 (>= 0.6 needed)."
  }
}