macOS MCP Server

by cyanheadsio.github.cyanheads/macos-mcp-serverv0.2.0

Control macOS system settings, apps, windows, audio, displays, screenshots, and Focus mode via MCP.

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Active15d ago

Install macOS MCP server

claude mcp add macos-cyanheads -- npx -y @cyanheads/macos-mcp-server run start:stdio

{
  "mcpServers": {
    "macos-cyanheads": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/macos-mcp-server",
        "run",
        "start:stdio"
      ]
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "macos-cyanheads": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/macos-mcp-server",
        "run",
        "start:stdio"
      ]
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "macos-cyanheads": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/macos-mcp-server",
        "run",
        "start:stdio"
      ]
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "macos-cyanheads": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/macos-mcp-server",
        "run",
        "start:stdio"
      ]
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
MACOS_SCREENSHOT_DIR	—	—	Default directory for screenshot files. Defaults to ~/Desktop when empty.
MACOS_DISPLAY_LAYOUTS	—	—	JSON object mapping layout names to displayplacer argument strings for apply_layout.
MCP_LOG_LEVEL	—	—	Minimum log level for output: debug, info, notice, warning, error.
MCP_HTTP_HOST	—	—	The hostname for the HTTP server.
MCP_HTTP_PORT	—	—	The port to run the HTTP server on.
MCP_HTTP_ENDPOINT_PATH	—	—	The endpoint path for the MCP server.
MCP_AUTH_MODE	—	—	Authentication mode: none, jwt, or oauth.

Freshness

Active — last maintenance signal 15d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-09-24 · 15d ago · GitHub
Latest release
2026-09-24 · 15d ago · GitHub · v0.2.0
Package published
no data · npm/PyPI
Registry entry updated
2026-09-24 · 15d ago · official registry · v0.2.0

FAQ

›How do I install the macOS MCP server in Claude Code?

Run: claude mcp add macos-cyanheads -- npx -y @cyanheads/macos-mcp-server run start:stdio. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does macOS require an API key?

No required environment variables are declared in its published metadata.

›Can I use macOS as a remote (hosted) MCP server?

Yes — it offers both a hosted endpoint and a local stdio package.

›Is macOS in the official MCP registry?

Yes, as io.github.cyanheads/macos-mcp-server.