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ultracite

Ultracite Rules - AI-Ready Formatter and Linter Applies to files matching: **/*.{ts,tsx,js,jsx,json,jsonc,html,vue,svelte,astro,css,yaml,yml,graphql,gql,md,mdx,grit}.

1,112stars108forksUpdated 2/9/2026
Web DevelopmentCode Review#performance#react#code-formatting#linting#typescript#javascript

Security Assessment

Low Risk(75/100)

Detected risks:

Remote Code Execution([SKILL.md] eval()
Security Score75/100

About ultracite

Ultracite is a powerful AI-ready formatter and linter designed to automate code quality enforcement. It solves the problem of inconsistent code formatting and linting across a variety of file types, ensuring developers adhere to best practices while writing clean, readable, and maintainable code. Built on Biome, a fast Rust-based engine, Ultracite works with a wide range of file types, including TypeScript, JavaScript, HTML, CSS, Markdown, and more. It applies automated fixes and diagnoses issues efficiently, streamlining the development workflow and reducing manual error-checking.

FAQ

How do I format my code using Ultracite?

You can format your code by running the command `npx ultracite fix`.

What file types are supported by Ultracite?

Ultracite applies to a variety of file types, including `.ts`, `.tsx`, `.js`, `.jsx`, `.json`, `.html`, `.vue`, `.css`, `.yaml`, `.md`, `.graphql`, and more.

Are there any specific environment requirements for Ultracite?

Ultracite is based on Biome, which uses Rust for fast linting and formatting. Make sure you have a compatible environment to run the necessary Node.js and npx commands.

Can Ultracite be used with frameworks like React or Next.js?

Yes, Ultracite provides specific guidance for React and JSX, such as using function components and ensuring correct hook dependencies. It also has framework-specific advice for Next.js, including using the `<Image>` component.

Does Ultracite enforce strict code quality standards?

Yes, Ultracite enforces strict code quality standards, emphasizing type safety, maintainability, performance, accessibility, and security.

Install ultracite

Download and extract the skill files to your .claude/skills/ directory.

Quick Setup:

  1. Copy the skill folder to .claude/skills/
  2. Claude will automatically detect and use the skill

Repository

FranciscoMoretti/sparka

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