{
  "slug": "browse-managed-local-sessions-accept-chrome-launch-argument-flags-96d412732017",
  "title": "browse managed local sessions accept Chrome launch argument flags",
  "tools": [
    "browse"
  ],
  "tags": [
    "agent"
  ],
  "introduced_at": "2026-06-17T21:50:46.350Z",
  "announced_at": "2026-06-17T21:50:46.350Z",
  "effective_at": null,
  "date_basis": "source-publication",
  "status": "unknown",
  "how": {
    "incantation": "When using a managed local browser session, pass Chrome launch arguments with `--chrome-arg <flag>`, remove selected defaults with `--ignore-default-chrome-arg <flag>`, or disable Chrome defaults with `--no-default-chrome-args`.",
    "examples": [
      "browse open <url> --local --chrome-arg <flag>",
      "browse open <url> --local --ignore-default-chrome-arg <flag>",
      "browse open <url> --local --no-default-chrome-args"
    ],
    "gotchas": [
      "Version: 0.8.5",
      "<url> (required): URL to open.",
      "--local: Select a local browser session; required for this task.",
      "--chrome-arg <flag>: Repeatable; appends a Chrome launch argument on top of defaults.",
      "--ignore-default-chrome-arg <flag>: Repeatable; removes a selected default Chrome launch argument.",
      "--no-default-chrome-args: Launches without Chrome defaults.",
      "The flags apply to managed local browser sessions.",
      "`--chrome-arg <flag>` appends arguments on top of Chrome's defaults.",
      "`--ignore-default-chrome-arg <flag>` drops specific default arguments.",
      "`--no-default-chrome-args` launches without any of Chrome's defaults."
    ]
  },
  "why_it_matters": "When configuring a managed local browser session, control which Chrome launch arguments browse uses.",
  "sources": [
    "https://github.com/browserbase/stagehand/blob/main/packages/cli/CHANGELOG.md#085",
    "https://github.com/browserbase/stagehand/blob/9971a7b3d8ecca255b4548cfb9128657c053cca7/packages/cli/src/commands/open.ts",
    "https://github.com/browserbase/stagehand/blob/9971a7b3d8ecca255b4548cfb9128657c053cca7/packages/cli/CHANGELOG.md#085"
  ],
  "rank": 0.90028,
  "judge": {
    "publish": true,
    "judge_model": "codex-cli/gpt-6-luna+typesafe/jev-1.13.0",
    "prompt_version": "extract-v7+enrich-v2+judge-v2x3+jev-publish-v1"
  },
  "review_state": "approved",
  "provenance": {
    "run_id": "browse-20261014",
    "verdict_id": "browse-20261014:browse-20261014-61de6fae4f61a21f-1:gate",
    "evidence_hash": "9638fd6870c1ca84185175f6eedaff743d87e3ce83e6756ffc4919ba8a4cad43"
  },
  "review": {
    "draft_hash": "2ccbea8ac8a8cf31a1d215e081d50a8f8ac52192e2a69d30d6f3e62c32365128",
    "reviewer": "publication-gate",
    "reviewed_at": "2026-10-07T00:00:00.000Z",
    "decision": "browse-20261014:gate",
    "reason": "2 of 3 judge runs approved with p_yes >= 0.9 (mean 0.90 >= 0.9; 2 needed) and Jev gave 0.77 (>= 0.6 needed)."
  }
}