{
  "slug": "experimental-vision-enables-click-at-x-y-f616f263914f",
  "title": "experimental-vision enables click_at(x,y)",
  "tools": [
    "chrome-devtools-mcp"
  ],
  "tags": [
    "agent"
  ],
  "introduced_at": "2026-04-21T14:25:09.000Z",
  "announced_at": "2026-04-21T14:25:09.000Z",
  "effective_at": null,
  "date_basis": "source-publication",
  "status": "unknown",
  "how": {
    "incantation": "When a computer-use model must click by screenshot coordinates, start chrome-devtools-mcp with `--experimentalVision` to enable `click_at`.",
    "examples": [
      "npx -y chrome-devtools-mcp@0.22.0 --experimentalVision",
      "click_at({\"pageId\": <pageId>, \"x\": <x>, \"y\": <y>})"
    ],
    "gotchas": [
      "Version: 0.22.0",
      "Availability: Experimental.",
      "--experimentalVision / --experimental-vision: Boolean flag; enables coordinate-based tools such as `click_at(x,y)`.",
      "pageId (required): Targets the page to click.",
      "x (required): The x coordinate.",
      "y (required): The y coordinate.",
      "dblClick: When true, double-clicks; otherwise performs a single click.",
      "includeSnapshot: When true, includes a page snapshot in the response.",
      "Prerequisite: Node.js v20.19 or newer maintenance LTS, current stable Chrome or newer, and npm.",
      "Prerequisite: Accurate screenshot coordinates usually require a computer-use model capable of producing them.",
      "Usually requires a computer-use model able to produce accurate coordinates from screenshots."
    ]
  },
  "why_it_matters": "When using a computer-use model to click by screenshot coordinates, enable the experimental vision tools.",
  "sources": [
    "https://github.com/ChromeDevTools/chrome-devtools-mcp/releases/tag/chrome-devtools-mcp-v0.22.0",
    "https://github.com/ChromeDevTools/chrome-devtools-mcp/pull/1788",
    "https://github.com/ChromeDevTools/chrome-devtools-mcp/blob/c4f54710d9d7c3d1167628e5135b4cf92beaec45/README.md",
    "https://github.com/ChromeDevTools/chrome-devtools-mcp/blob/c4f54710d9d7c3d1167628e5135b4cf92beaec45/src/tools/input.ts"
  ],
  "rank": 0.94019,
  "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-20261008-6d8f42ec3741aa53-3:gate",
    "evidence_hash": "9737eb5516d75e7582529d3245b3cc72244d618ba6c416a0fe7e4cedb4581d02"
  },
  "review": {
    "draft_hash": "f6c05c9253ba7fe72971b69c8f4a1a4cb95ab0a61620f66b80bfc64735fb24a3",
    "reviewer": "publication-gate",
    "reviewed_at": "2026-10-07T00:00:00.000Z",
    "decision": "ghtools-20261008:gate",
    "reason": "2 of 3 judge runs approved with p_yes >= 0.9 (mean 0.94 >= 0.9; 2 needed) and Jev gave 0.66 (>= 0.6 needed)."
  }
}
