Peekaboo is a macOS utility designed to provide AI assistants with visual perception by capturing screenshots without requiring manual user input. It acts as a bridge between your screen and AI models, allowing them to 'see' and analyze UI elements, charts, and other visual data. This tool simplifies tasks such as bug hunting, design reviews, and UI testing by enabling AI to understand the context of the screen, making it an invaluable tool for developers and designers seeking to integrate AI into their workflows.