python3

name	python3
description	Full Python 3 development aid. Use when the user wants to create, edit, run, debug, or test Python scripts and packages. Scaffolds files with proper headers, follows Python best practices, executes scripts, and assists with debugging.
allowed-tools	Read, Write, Edit, Grep, Glob, Bash
argument-hint	["action or filename"]

Python 3 Development Skill

Assist with all aspects of Python 3 development including creating files, writing code, running scripts, debugging, and testing.

Creating New Files

When creating a new Python file, always include the file header from CLAUDE.md using the Python template. The shebang and encoding lines are part of the template:

#!/usr/bin/env python3
# -*- coding: utf-8 -*-

Running and Testing

• Run scripts with: python3 <script.py>
• Run module: python3 -m <module_name>
• Check syntax: python3 -m py_compile <script.py>
• Run tests with: python3 -m pytest -v or python3 -m unittest discover
• Type checking: mypy <script.py> (if available)
• Linting: ruff check <script.py> or flake8 <script.py> (if available)