ultracite

Installation
SKILL.md

Ultracite

Zero-config linting and formatting for JS/TS projects. Supports three linter backends: Biome (recommended), ESLint + Prettier, and Oxlint + Oxfmt.

Detecting Ultracite

Check if ultracite is in package.json devDependencies. Detect the active linter by looking for:

  • biome.jsonc → Biome
  • eslint.config.mjs → ESLint
  • oxlint.config.ts → Oxlint

CLI Commands

# Check for issues (read-only)
bunx ultracite check
Installs
4.3K
GitHub Stars
3.0K
First Seen
Feb 19, 2026
ultracite — haydenbleasel/ultracite