MCP App StoreMCP App Store
from awesome-omni-skill43
Find, activate, and capture macOS application windows across Spaces with filters for app name, title (regex), process path, PID, and command-line args.
The macOS Window Controller skill provides commands and workflows to discover application windows across macOS Spaces, activate/switch to a specific window, and capture screenshots of windows for automation or debugging. It supports flexible filtering (partial app name, regex window titles, executable path, PID, and command-line arguments) and returns JSON output for scripting. The skill can use ScreenCaptureKit or Quartz backends and handles details like sandboxed JetBrains IDEs that appear under a generic process name.
Use this skill when you need to: list all open windows across Spaces; programmatically switch to a specific window (the OS will change Spaces when activating); capture a window screenshot for diagnostics or reporting; or filter windows by detailed process metadata (useful for distinguishing sandbox/dev instances vs production apps). It is helpful in automated test runs, developer tooling, screen-capture pipelines, and assistants that need UI context.
Best suited for agents with Bash and filesystem tooling that can run macOS-specific commands and AppleScript (e.g., Claude Code or any agent with local macOS execution privileges).
macOS Window Controller skill for finding, activating, and screenshotting windows across Spaces using CGWindowListCopyWindowInfo, psutil, and AppleScript. No bundled scripts — purely instruction-based via SKILL.md. Well-documented with filtering options and troubleshooting, but monolithic with no script/reference separation. Requires Screen Recording and Accessibility permissions, limiting practicality to macOS users with those grants.
No scripts to test. Skill is instruction-only, relying on agent to execute Bash commands. Uses osascript for window activation and reads system Spaces plist — standard macOS automation but requires elevated permissions.
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