io.github.wende/macbeth is an MCP server that open-source computer use for macOS agents. Its tool list has not been published yet over stdio, sse and http, requires no API key, and scores 82/100 on MCPpedia's security, maintenance and efficiency rubric.
Config is the same across clients - only the file and path differ.
{
"mcpServers": {
"io-github-wende-macbeth": {
"args": [
"-y",
"macbeth"
],
"command": "npx"
}
}
}Are you the author?
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Open-source computer use for macOS agents.
This server supports HTTP transport. Be the first to test it - help the community know if it works.
Five weighted categories - click any category to see the underlying evidence.
No known CVEs.
Checked macbeth against OSV.dev.
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Give the agent you already use hands and eyes on your Mac.
See and operate Mac applications through MCP or TypeScript, including native and Electron interfaces.
Structured UI access when possible. Screenshots and OCR when necessary.
Think Playwright for your entire Mac.
Simulated walkthrough of Macbeth's current MCP tool surface: System Settings, Electron interaction, and screenshot/OCR.
Quickstart · Examples · Why Macbeth? · TypeScript · Security · Skills
Give Claude Code access to Macbeth:
claude mcp add macbeth -- npx -y macbeth
Then ask it to verify the connection:
Using Macbeth, list the running applications, connect to Finder, inspect its front window, and summarize the first few controls you can see. Do not perform any other actions.
Macbeth ships with a prebuilt, signed and notarized universal daemon. No Swift toolchain or manual service installation is required. If setup fails, run npx macbeth doctor; it prints a self-contained diagnostic prompt you can paste back into your agent.
Any MCP client that can launch a stdio server can use npx -y macbeth. See MCP setup for generic configuration, updates, and the complete tool list.
Add Macbeth as an MCP server using
npx -y macbeth. Runnpx macbeth doctor, guide me through granting only the permissions I need, and verify the setup by inspecting Finder. Do not take any unrelated actions.
“In Logic Pro, set the project tempo to 128 BPM and start playback.”
Macbeth combines structured controls, menus, keyboard input, screenshots, OCR, and application-specific guidance. Logic Pro has a dedicated skill. Applications with thinner accessibility trees, including parts of Unity, can combine structured controls with keyboard, menu, screenshot, and OCR fallbacks.
“Open System Settings, find the firewall controls, and report their current state without changing anything.”
Macbeth can inspect named controls and values, select native menu items, and use keyboard input when a semantic action is unavailable.
“Open HEY, find the newest visible thread from the design team, and summarize it without sending or changing anything.”
Macbeth can work through exposed Electron interfaces even when the service does not provide the API your agent needs. HEY works through Macbeth's generic Electron support; results vary with the applicat