21st-dev

27 mods across 7 repositories, 12k stars between them.

21st-ui-build

25

21st-dev/skill

Skill Claude CodeCodex

Build or substantially change production UI using the current project's design context, existing components, and grounded 21st inspiration. Use when implementing a page, section, component, responsive redesign, or visual polish in an existing web project. Trigger for requests such as "build this UI", "implement this…

2 6d ago A 111 tokens copy · 100% Apache-2.0

21st-ui-explore

26

21st-dev/skill

Skill Claude CodeCodex

Explore and compare multiple meaningfully different UI directions grounded in the current project's design system and 21st inspiration. Use when the user wants options, variants, concepts, a redesign direction, visual experimentation, or is unsure how a new interface should look. Trigger for requests such as "show me…

2 6d ago A 98 tokens copy · 100% Apache-2.0

21st-ui-review

27

21st-dev/skill

Skill Claude CodeCodex

Review existing UI against the project's design context, accessibility expectations, responsive behavior, interaction quality, and high-confidence production rules. Use for UI audits, design QA, frontend review, accessibility review, consistency checks, or requests to find and safely fix visual defects. Trigger for…

2 6d ago A 103 tokens copy · 100% Apache-2.0