| name | browser_visible |
| description | Use this skill when the user needs to control the browser launch mode for browser. By default browser is managed by Playwright and opens no debugging port (pass an explicit `cdp_port` to let another local tool attach); `headed` controls whether the window is visible, and `private_mode` is kept for backward compatibility and no longer changes the default. |
| metadata | {"builtin_skill_version":"1.3","qwenpaw":{"emoji":"🖥️","requires":{}}} |
Deprecated: This reference supports the stable browser implementation.
hatch. Prefer the unified browser tool when experimental mode is enabled.
Browser Launch Modes
browser.start launch modes:
- Default: Playwright-managed, no debugging port
cdp_port=N: managed CDP, opens a local debugging port so other local tools can attach (see the browser_cdp skill)private_mode=true: same as the default, kept for backward compatibility
Parameter meanings:
headed: whether to display the browser windowprivate_mode: kept for backward compatibility; it no longer changes the launch mode
The two parameters are independent and can be freely combined.
Common Usage
Default launch:
{"action": "start"}
Open a visible window:
{"action": "start", "headed": true}
private_mode
Already the default behavior — do not set it. The parameter is kept only so that older calls keep working, and passing it together with cdp_port is rejected.
Notes
- The default is Playwright-managed with no debugging port
- The launch mode is entirely determined by the call parameters
- Managed CDP requires Chrome / Chromium / Edge to be installed locally
- When the user manually operates the visible browser, the idle timer may not be refreshed
private_mode is an explicit parameter for each start call and is not persisted- If a browser is already running, you must
stop it and then start again to switch launch modes or window visibility
- Visible mode occupies the desktop and requires a graphical environment; it may not work on servers or headless environments
