Worked on enhancing frontend design capabilities across the anthropics/skills and anthropics/claude-code repositories, focusing on UI/UX design and plugin development. Delivered two targeted feature updates that refined the frontend-design skill to promote intentional visual direction and unique UI choices, moving away from generic aesthetics. Upgraded the frontend-design guidance plugin to version 1.1.0, providing improved support for creating distinctive user interfaces and streamlining onboarding for frontend teams. Employed JSON and Markdown to structure guidance and documentation, consolidating design direction for consistent UI aesthetics and enabling faster iteration cycles. The work emphasized maintainable front-end tooling and scalable design-system practices.