Code formatter
A narrow utility skill. Formats Python files in place using black and isort.
When to use
When the user asks to format Python code or normalise import order.
How
black <path> && isort <path>
The skill expects black and isort to be installed in the environment. It does not write to identity files, does not fetch external URLs, does not embed inline-deps without pins, and does not contain hidden Unicode payloads.