Take a screenshot of the current state of the screen. Returns a JPEG image. Call this frequently to observe what is on screen.

Click the left mouse button at the specified coordinates.

Click the right mouse button at the specified coordinates.

Click the middle mouse button at the specified coordinates.

Double-click the left mouse button at the specified coordinates.

Click and drag the mouse from start_coordinate to coordinate.

Type text at the current cursor position. Works with any Unicode text.

Press a key or key combination. Use "+" to combine modifiers, e.g. "ctrl+c", "command+shift+z". Named keys: escape, return, tab, space, delete, up, down, left, right, f1–f12. IMPORTANT: On macOS, always prefer "command" over "ctrl" for standard shortcuts — e.g. use "command+a" (select-all), "command+c" (copy), NOT "ctrl+a"/"ctrl+c". "ctrl+a" and similar ctrl-shortcuts may trigger third-party app global hotkeys.

Hold one or more keys for a duration.

Move the mouse cursor to the specified coordinates without clicking.

Scroll the mouse wheel at the specified coordinates.

Get the current cursor position as {x, y} in screenshot coordinates.

Take a zoomed-in screenshot of the area around the specified coordinate.

Request permission to control specific applications. Call this FIRST before any other computer-use tool. The user will approve or deny access for each app.

Switch the active display for subsequent screenshots and actions.