OpenAgentSkill Registry Manifest Skill: Css Slug: primer-css Category: design-creative Description: Primer is GitHub's design system. This is the CSS implementation 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, SCSS - Maintenance: 2mo since push - Risk: Safe to try Trust: - Trust score: 90/100 Production candidate - Audit: 92/100 Safe to try Attribution: - Status: Community indexed - Source: GitHub star discovery - Creator: primer - Claim URL: https://www.openagentskill.com/skills/primer-css#claim-this-skill Install: npx skills add primer/css URLs: - Web: https://www.openagentskill.com/skills/primer-css - API: https://www.openagentskill.com/api/agent/skills/primer-css - Install API: https://www.openagentskill.com/api/skills/primer-css/install - Repository: https://github.com/primer/css