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Ultracite

Ultracite

free

Zero‑configuration ESLint/Biome/Oxlint preset for consistent, type‑safe code.

4.3
Added on Jan 4, 2026
AI Developer Tools
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What is Ultracite?

Ultracite is a highly opinionated, zero‑configuration preset that bundles ESLint, Biome, and Oxlint into a single, easy‑to‑use setup. It automatically generates editor configurations, CI hooks, and AI‑ready linting rules, ensuring that both developers and code‑generating models produce uniform, type‑safe output without manual tuning. The preset is designed to be dropped into any JavaScript or TypeScript project — especially Next.js, React, and similar frameworks — while still allowing selective customization when needed. By handling configuration, formatting, and linting in one step, Ultracite eliminates style debates and reduces code‑review friction, making it ideal for teams that value consistency and automation.

Key Features

Zero‑Configuration Setup

Instantly integrates ESLint, Biome, and Oxlint with sensible defaults, eliminating manual configuration.

AI‑Ready Rules

Provides formatting and linting rules optimized for AI code generators, ensuring outputs are consistent and type‑safe.

Editor Integration

Auto‑generates VSCode, Cursor, and other editor configurations to work seamlessly with Ultracite.

Customizable Extensions

Allows selective disabling or tweaking of rules while preserving the zero‑config experience.

Use Cases

A startup uses Ultracite in its CI pipeline to enforce a uniform code style across all contributors, reducing code review turnaround time by 30%.
An AI‑driven development team runs code‑generation loops with Cursor, relying on Ultracite’s AI‑ready rules to keep generated code lint‑free without manual cleanup.
A large open‑source project adopts Ultracite to standardize formatting across multiple languages, simplifying contributor onboarding and reducing merge conflicts.
A SaaS platform integrates Ultracite with its pre‑commit hooks, automatically fixing style issues before commits, which cuts down on CI failures.

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