{
  "slug": "browser-take-screenshot-supports-webp-format-selection-0eff65d88704",
  "title": "browser_take_screenshot supports WebP format selection",
  "tools": [
    "playwright-mcp"
  ],
  "tags": [
    "agent"
  ],
  "introduced_at": "2026-08-06T00:15:56.000Z",
  "announced_at": "2026-08-06T00:15:56.000Z",
  "effective_at": null,
  "date_basis": "source-publication",
  "status": "unknown",
  "how": {
    "incantation": "When a browser-based coding task requires a particular screenshot format, call `browser_take_screenshot` with `type` set to `png`, `jpeg`, or `webp`. If `type` is omitted, the format is inferred from the filename extension, otherwise it defaults to PNG.",
    "examples": [
      "browser_take_screenshot { type: \"webp\", filename: \"<filename>.webp\" }"
    ],
    "gotchas": [
      "Version: v0.0.79",
      "type: Image format: `png`, `jpeg`, or `webp`. If omitted, inferred from the filename extension, otherwise PNG.",
      "filename: File to save the screenshot to; a relative name resolves against the workspace root.",
      "Supported `type` values are `png`, `jpeg`, and `webp`.",
      "When `type` is unset, the format is inferred from the filename extension."
    ]
  },
  "why_it_matters": "Capture a page screenshot in a required image format while working on a browser-based coding task.",
  "sources": [
    "https://github.com/microsoft/playwright-mcp/releases/tag/v0.0.79",
    "https://github.com/microsoft/playwright.dev/blob/main/mcp/tools/screenshots.mdx"
  ],
  "rank": 0.9503,
  "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": "augsep-20261008",
    "verdict_id": "augsep-20261008:augsep-20261008-b6288cc3ea9c587f-0:gate",
    "evidence_hash": "6b4bceb9123ff2f6d7b00bf6b0661476e3ebdaafabbf545206b7b1eafe3ef292"
  },
  "review": {
    "draft_hash": "fa62d301ff7e19beb186d10a542af9ad4ccfc330029191d4a4fe172eefc0f5f8",
    "reviewer": "publication-gate",
    "reviewed_at": "2026-10-07T00:00:00.000Z",
    "decision": "augsep-20261008:gate",
    "reason": "3 of 3 judge runs approved with p_yes >= 0.9 (mean 0.95 >= 0.9; 2 needed) and Jev gave 0.79 (>= 0.6 needed)."
  }
}