Swift MCP GUI Server

A Model Context Protocol (MCP) server that allows controlling Mac OS X through SwiftAutoGUI. This server provides tools for programmatically controlling the mouse and keyboard through MCP clients.

Requirements

• macOS 15.0 or later
• Swift 6.0 or later
• Xcode 16.0 or later

Installation

1. Clone this repository:

git clone https://github.com/NakaokaRei/swift-mcp-gui.git
cd swift-mcp-gui

2. Install

swift package experimental-install

3. Add command to your MCP client.

{
  "mcpServers" : {
    "swift-mcp-gui" : {
      "command" : "/Users/USERNAME/.swiftpm/bin/swift-mcp-gui"
    }
  }
}

Available Tools

The server provides the following tools for controlling macOS:

1. Mouse Movement

• Tool name: moveMouse
• Input:
  • x: double (x-coordinate)
  • y: double (y-coordinate)
• Moves the mouse cursor to the specified coordinates

2. Mouse Clicks

• Tool name: mouseClick
• Input:
  • button: String ("left" or "right")
• Performs a mouse click at the current cursor position

3. Keyboard Input

• Tool name: sendKeys
• Input:
  • keys: Array of strings (key names)
• Sends keyboard shortcuts or key combinations
• Example keys: "command", "control", "option", "shift", "return", "space", "a", "1", etc.

4. Scrolling

• Tool name: scroll
• Input:
  • direction: String ("up", "down", "left", "right")
  • clicks: Integer (number of scroll clicks)
• Performs scrolling in the specified direction

Security Considerations

This server has full control over your mouse and keyboard. Be careful when running it and only connect trusted MCP clients.

License

MIT License