OpenAgentSkill Registry Manifest Skill: Theme Ui Slug: system-ui-theme-ui Category: design-creative Description: Build consistent, themeable React apps based on constraint-based design principles Agent fit: - Decision: 100/100 Production-ready - Primary fit: Design and creative - Role: Primary pick Supply profile: - Track: Design and creative production - Scenario: Design and creative - Applicable agents: Claude Code, CLI, Codex, Cursor, TypeScript - Maintenance: 2mo since push - Risk: Safe to try Trust: - Trust score: 91/100 Production candidate - Audit: 93/100 Safe to try Attribution: - Status: Community indexed - Source: GitHub star discovery - Creator: system-ui - Claim URL: https://www.openagentskill.com/skills/system-ui-theme-ui#claim-this-skill Install: npx skills add system-ui/theme-ui URLs: - Web: https://www.openagentskill.com/skills/system-ui-theme-ui - API: https://www.openagentskill.com/api/agent/skills/system-ui-theme-ui - Install API: https://www.openagentskill.com/api/skills/system-ui-theme-ui/install - Repository: https://github.com/system-ui/theme-ui