ruff

name	ruff
description	Use this skill when the user wants to lint Python code, format Python files, auto-fix Python issues, or check Python code quality at high speed.

ruff Plugin

Extremely fast Python linter and formatter, written in Rust.

Commands

Check

• ruff check run — Lint Python files
• ruff check fix — Lint and auto-fix Python files

Format

• ruff format run — Format Python files
• ruff format check — Check formatting without applying

Usage Examples

• "Lint this Python file"
• "Auto-fix all Python issues"
• "Format Python files"
• "Check formatting without changing files"

Installation

pip install ruff

Examples

# Lint
ruff check .

# Lint with auto-fix
ruff check --fix .

# Format
ruff format .

# Check formatting
ruff format --check .

# With config (pyproject.toml)
ruff check --config pyproject.toml .

# Specific rules
ruff check --select I .