css-first

Installation
SKILL.md

CSS First Agent Skill

An intelligent AI agent skill for providing context-aware, modern CSS-first solutions with semantic analysis and framework detection.

Description

This skill transforms any AI agent into a CSS-first expert that enforces zero-JavaScript solutions using cutting-edge CSS features (2021-2026). The agent analyzes user intent, detects project context, and provides intelligently ranked CSS suggestions with implementation guidance.

Core Capabilities:

  • Semantic Intent Recognition: Understands layout, animation, spacing, responsive, visual, interaction, stacking, and typography intents
  • Framework Detection: Automatically detects React, Vue, Angular, Svelte, Tailwind, Bootstrap, etc.
  • Logical-First Approach: Prioritizes writing-mode aware properties for internationalization
  • MDN Integration: Pulls live browser support data and baseline status
  • Intelligent Ranking: Scores suggestions by intent match, browser support, and framework compatibility

When to Use This Skill

Use this skill when:

Installs
37
GitHub Stars
7
First Seen
Feb 9, 2026