ultracite

# Ultracite Skill **Fast, zero-config linting and formatting for modern JavaScript/TypeScript projects** ## Overview Ultracite is a unified linting and formatting solution that supports multiple providers: **Biome** (default, Rust-based), **ESLint+Prettier+Stylelint**, and **Oxlint+Oxfmt**. It provides framework-specific presets and zero-configuration defaults, replacing traditional ESLint+Prettier setups with a faster, simpler alternative. Ultracite operates invisibly in the background, automatically formatting code and applying fixes on every save. **Version 7 Changes**: Multi-provider architecture, preset path migration, MCP server support, AI hooks **Version 6 Changes**: Framework-specific presets introduced (React, Next.js, Vue, Svelte, etc.) ### Core Goals 1. **Lightning-Fast Performance**: Leverages Biome's Rust implementation for instant linting/formatting 2. **Zero-Config Design**: Ships with 200+ sensible defaults optimized for modern TypeScript development 3. **Simplicity & Invisibility**: Operates with minimal user interaction 4. **Type Safety**: Enforces TypeScript strict mode and comprehensive null/undefined handling 5. **Tool Compatibility**: Works alongside other development tools without conflicts ### Key Benefits vs Alternatives **vs ESLint + Prettier:** - 10-100x faster performance (Rust vs JavaScript) - Single tool instead of two - Zero configuration needed - Auto-fixes on save by default - Built-in TypeScript strict mode **vs Biome alone:** - 200...