How does Ultracite improve web accessibility?

It checks for critical a11y violations such as missing alt text, improper ARIA roles, lack of keyboard support for interactive elements, and missing semantic HTML tags.

Does it support Next.js specific rules?

Absolutely. Ultracite includes specific rules for Next.js, such as enforcing the use of next/image over standard img tags and managing head components correctly.

What is Ultracite for Claude Code?

Ultracite is a specialized skill that allows Claude to enforce strict linting, formatting, and accessibility rules in JavaScript and TypeScript projects using the Biome engine.

Can Ultracite fix code automatically?

Yes, by using the 'npx ultracite fix' command or through Claude's Edit tool, it can automatically apply formatting and resolve common linting errors.

Ultracite Code Quality & A11y

Name: Ultracite Code Quality & A11y
Author: Tylerbryy

byTylerbryy

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Security & Testing

Enforces strict type safety, accessibility standards, and production-grade code quality for TypeScript and React projects using Biome.

Ultracite is a high-performance Claude Code skill designed to automate code standards using Biome's lightning-fast formatting and linting engine. It serves as an automated gatekeeper for TypeScript, React, and Next.js projects, ensuring that code remains type-safe, accessible, and free of common anti-patterns. By focusing on critical categories like a11y compliance, modern React hooks, and strict TypeScript usage, Ultracite transforms AI-generated and manual code into production-ready assets with zero configuration required.

Key Features

01Zero-configuration Biome-powered linting and formatting

02Strict accessibility (a11y) enforcement and audits

03React and Next.js specific best practice validation

041 GitHub stars

05TypeScript type-safety optimization and 'any' type prevention

06Sub-second automated code fixes and formatting

Use Cases

01Refactoring legacy TypeScript to eliminate non-null assertions and enums

02Auditing and upgrading React components for WCAG accessibility compliance

03Standardizing code quality and formatting across Next.js applications

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add tylerbryy/codewarden ultracite

For use in Claude.ai and ChatGPT

Download Skill