remote_macos_mouse_scroll
Scroll at specified coordinates on a remote macOS machine with automatic coordinate scaling. Use environment variables for connection details.
Instructions
Perform a mouse scroll at specified coordinates on a remote MacOs machine, with automatic coordinate scaling. Uses environment variables for connection details.
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| x | Yes | X coordinate for mouse position (in source dimensions) | |
| y | Yes | Y coordinate for mouse position (in source dimensions) | |
| source_width | No | Width of the reference screen for coordinate scaling | |
| source_height | No | Height of the reference screen for coordinate scaling | |
| direction | No | Scroll direction | down |
Implementation Reference
- src/action_handlers.py:79-154 (handler)Main handler function for remote_macos_mouse_scroll tool. Connects via VNC, scales coordinates from source to target screen, moves mouse, sends Page Up/Down key based on direction for scrolling effect.def handle_remote_macos_mouse_scroll(arguments: dict[str, Any]) -> list[types.TextContent | types.ImageContent | types.EmbeddedResource]: """Perform a mouse scroll action on a remote MacOs machine.""" # Use environment variables host = MACOS_HOST port = MACOS_PORT password = MACOS_PASSWORD username = MACOS_USERNAME encryption = VNC_ENCRYPTION # Get required parameters from arguments x = arguments.get("x") y = arguments.get("y") source_width = int(arguments.get("source_width", 1366)) source_height = int(arguments.get("source_height", 768)) direction = arguments.get("direction", "down") if x is None or y is None: raise ValueError("x and y coordinates are required") # Ensure source dimensions are positive if source_width <= 0 or source_height <= 0: raise ValueError("Source dimensions must be positive values") # Initialize VNC client vnc = VNCClient(host=host, port=port, password=password, username=username, encryption=encryption) # Connect to remote MacOs machine success, error_message = vnc.connect() if not success: error_msg = f"Failed to connect to remote MacOs machine at {host}:{port}. {error_message}" return [types.TextContent(type="text", text=error_msg)] try: # Get target screen dimensions target_width = vnc.width target_height = vnc.height # Scale coordinates scaled_x = int((x / source_width) * target_width) scaled_y = int((y / source_height) * target_height) # Ensure coordinates are within the screen bounds scaled_x = max(0, min(scaled_x, target_width - 1)) scaled_y = max(0, min(scaled_y, target_height - 1)) # First move the mouse to the target location without clicking move_result = vnc.send_pointer_event(scaled_x, scaled_y, 0) # Map of special keys for page up/down special_keys = { "up": 0xff55, # Page Up key "down": 0xff56, # Page Down key } # Send the appropriate page key based on direction key = special_keys["up" if direction.lower() == "up" else "down"] key_result = vnc.send_key_event(key, True) and vnc.send_key_event(key, False) # Prepare the response with useful details scale_factors = { "x": target_width / source_width, "y": target_height / source_height } return [types.TextContent( type="text", text=f"""Mouse move to ({scaled_x}, {scaled_y}) {'succeeded' if move_result else 'failed'} Page {direction} key press {'succeeded' if key_result else 'failed'} Source dimensions: {source_width}x{source_height} Target dimensions: {target_width}x{target_height} Scale factors: {scale_factors['x']:.4f}x, {scale_factors['y']:.4f}y""" )] finally: # Close VNC connection vnc.close()
- src/mcp_remote_macos_use/server.py:141-160 (registration)Tool registration in list_tools(), including name, description, and detailed input schema defining parameters for coordinates, scaling, and scroll direction.types.Tool( name="remote_macos_mouse_scroll", description="Perform a mouse scroll at specified coordinates on a remote MacOs machine, with automatic coordinate scaling. Uses environment variables for connection details.", inputSchema={ "type": "object", "properties": { "x": {"type": "integer", "description": "X coordinate for mouse position (in source dimensions)"}, "y": {"type": "integer", "description": "Y coordinate for mouse position (in source dimensions)"}, "source_width": {"type": "integer", "description": "Width of the reference screen for coordinate scaling", "default": 1366}, "source_height": {"type": "integer", "description": "Height of the reference screen for coordinate scaling", "default": 768}, "direction": { "type": "string", "description": "Scroll direction", "enum": ["up", "down"], "default": "down" } }, "required": ["x", "y"] }, ),
- src/mcp_remote_macos_use/server.py:265-266 (registration)Dispatch logic in call_tool() that routes the tool call to the handle_remote_macos_mouse_scroll handler.elif name == "remote_macos_mouse_scroll": return handle_remote_macos_mouse_scroll(arguments)
- Input schema defining the parameters: x, y (required), source_width/height (defaults), direction (up/down).inputSchema={ "type": "object", "properties": { "x": {"type": "integer", "description": "X coordinate for mouse position (in source dimensions)"}, "y": {"type": "integer", "description": "Y coordinate for mouse position (in source dimensions)"}, "source_width": {"type": "integer", "description": "Width of the reference screen for coordinate scaling", "default": 1366}, "source_height": {"type": "integer", "description": "Height of the reference screen for coordinate scaling", "default": 768}, "direction": { "type": "string", "description": "Scroll direction", "enum": ["up", "down"], "default": "down" } }, "required": ["x", "y"] }, ),