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Captures a single frame of a display, window, or region to a PNG. Returns {path, resolution (PIXELS), scale_factor, display_id} — scale_factor is the backing scale of the display that was ACTUALLY captured (the same value list_displays reports for that display_id, by construction: both read one function), so pixels = points x scale_factor when converting a coordinate from the image to ui_click. If the display could not be determined you get scale_factor_unknown instead of a guess; resolution is always there, so you can derive the ratio yourself. Requires Screen Recording permission; without it returns an explicit permission_required, never a blank image.

Opens a real browser window on the Mac for the user to sign into a website themselves (you never handle their password). After they log in, the session is saved on this Mac and reused by web_navigate/web_read/web_screenshot — they won't need to log in again. Use a stable `session` name per site (e.g. 'linkedin'). NOTE: automating sites like Instagram/LinkedIn may violate their terms — the user accepts that risk.

Captures a PNG screenshot of the current page of a web session (returned inline so web AIs can see it). Useful to ground what the page looks like before acting.

Brings a web session's browser window to the FRONT so the USER can take over directly — solve a CAPTCHA, complete 2FA, or make a choice the AI shouldn't. Local MCP never solves CAPTCHAs itself; this hands control to the user. Pair with web_screenshot first to show them what's on the page. After they finish, tell the agent to continue — the session keeps its state.