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MCP Server Macos Use

@mediar-ai

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Basic information

Category

Productivity

License

NOASSERTION

Transports

stdio

Author

mediar-ai

About MCP Server Macos Use

AI agent that controls computer with OS-level tools, MCP compatible, works with any model

MCP Server Macos Use config

No standard config provided

This server doesn't expose a parseable MCP config block in its README. See the repository for install instructions.

Repository

MCP Server Macos Use tools

10

** Opens or activates a specified application and then traverses its accessibility tree.

`identifier` (String, Required): The application's name, bundle ID, or file path.

** Simulates a mouse click at specific coordinates within the window of the target application (identified by PID) and then traverses its accessibility tree.

`pid` (Number, Required): The Process ID (PID) of the target application.

** Simulates typing text into the target application (identified by PID) and then traverses its accessibility tree.

`pid` (Number, Required): The Process ID (PID) of the target application.

** Simulates pressing a specific keyboard key (e.g., 'Enter', 'Tab', 'a', 'B') with optional modifier keys held down, targeting the application specified by PID, and then traverses its accessibility tree.

`pid` (Number, Required): The Process ID (PID) of the target application.

** Only performs the accessibility tree traversal for the specified application (identified by PID). Useful for getting the current UI state without performing an action.

`pid` (Number, Required): The Process ID (PID) of the application to traverse.

Overview

What is mcp-server-macos-use?

An MCP server in Swift that controls macOS applications via accessibility APIs through the MacosUseSDK. It is designed for users of MCP-compatible clients like Claude Desktop who need to automate or interact with desktop apps programmatically.

How to use mcp-server-macos-use?

Build the server with swift build -c debug, then run the executable. It communicates over standard input/output (stdio). Configure your MCP client (e.g., Claude Desktop) by pointing it to the server binary path in the client's configuration file.

Key features of mcp-server-macos-use

  • Open or activate an application and traverse its accessibility tree
  • Simulate mouse clicks at specified coordinates
  • Simulate typing text into a target application
  • Press keyboard keys with optional modifier flags
  • Refresh traversal to get current UI state without action
  • Control traversal behavior with optional parameters (diff, visibility, animation, delay)

Use cases of mcp-server-macos-use

  • Automating repetitive UI tasks in any macOS application
  • Querying the current UI state of a running desktop app
  • Building AI-powered assistants that interact with native macOS software
  • Accessibility tree inspection and testing

Frequently asked questions

1

What does mcp-server-macos-use do?

It exposes MCP tools that let you open apps, click, type, and press keys, then traverse the accessibility tree—allowing programmatic control of macOS apps from an MCP client.

2

What dependencies does mcp-server-macos-use require?

It requires the MacosUseSDK Swift package and Swift toolchain to build. No other runtime dependencies are listed.

3

How does mcp-server-macos-use communicate?

It uses the stdio transport: the server reads and writes MCP messages over standard input and output.

4

How do I integrate mcp-server-macos-use with Claude Desktop?

Add an entry to Claude Desktop's configuration with the command set to the absolute path of the built server executable, under the `mcpServers` key.

5

Where can I get help or request features?

Reach out via email (matt@mediar.ai) or Discord (m13v_). The maintainer is open to tailoring the server for specific needs.

Comments

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