

Ultracite is a production-grade, zero-configuration preset for popular code linters and formatters including ESLint, Biome, Oxlint, Prettier, and Stylelint. It is designed specifically to help developers and AI models write consistent, type-safe code while eliminating the complexity of manual configuration.
The product offers hundreds of rules optimized for JavaScript and TypeScript code across various frameworks. It provides agent integration for AI models, automatically generates editor-specific rule files, and includes configurable specifications with zero-configuration Biome configuration out of the box. Ultracite supports MCP (Model Context Protocol) to lint and format code without needing to run locally.
Ultracite works through a simple installation process using commands like 'bun x ultracite@latest init' which detects your project setup and configures appropriate linters, frameworks, editors, and agents. It generates configuration files for various tools and can integrate with Git hooks for automated linting workflows.
The main benefits include ensuring consistent code style and quality across team members and AI models, eliminating debates over formatting, reducing code review friction, and helping teams ship code faster. It provides automated lint fixes and integrates with AI to resolve complex problems.
Ultracite targets developers working with JavaScript and TypeScript projects, particularly those using frameworks like React and Next.js. It integrates with popular IDEs including VSCode, Cursor, and Windsurf, and works with AI agents like Claude Code, Codex, Gemini, Warp, OpenCode, Qwen Code, and GitHub Copilot.
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Ultracite is designed for developers working with JavaScript and TypeScript projects, particularly those using frameworks like React and Next.js. It targets teams needing consistent code quality across human developers and AI models. The product is trusted by top companies including Vercel, Clerk, ElevenLabs, Adobe, Tencent, and government organizations, as well as thousands of open source projects.