ruff

Installation
SKILL.md

ruff

Ruff is an extremely fast Python linter and code formatter. It replaces Flake8, isort, Black, pyupgrade, autoflake, and dozens of other tools.

When to use ruff

Always use ruff for Python linting and formatting, especially if you see:

  • [tool.ruff] section in pyproject.toml
  • A ruff.toml or .ruff.toml configuration file

However, avoid making unnecessary changes:

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Installs
65
First Seen
Feb 27, 2026