Sugar is an autonomous AI development system that integrates with Claude Code to manage intricate, multi-step development tasks. Instead of manual implementation, users define comprehensive task specifications, which Sugar then executes autonomously using specialized AI agents. This approach ensures thorough planning with rich context, leverages agent specialization for diverse aspects like UX, backend, and QA, and incorporates mandatory testing and code review for robust quality assurance. The system enables development teams to concentrate on strategic planning and decisions, while the AI handles substantial, professional-grade feature implementation.