Does this skill help with dependency management?

Yes, it prioritizes the 'uv' package manager and provides specific templates for standardized pyproject.toml configurations and template variable replacement.

What documentation style does this skill use?

It enforces the Google-style docstring standard (Args/Returns/Raises) and provides Ruff configurations to maintain this consistency.

How does it handle terminal UI formatting?

It includes specialized patterns for the Rich library, specifically addressing common wrapping issues in Panels and Tables using custom width-handling logic.

Can it assist with automated testing?

Absolutely. It provides workflows for Pytest (unit, integration, and E2E) and advanced testing tools like mutmut for mutation testing.

What Python versions does this skill support?

The skill is specifically optimized for modern Python 3.11 and newer, utilizing features through Python 3.14 patterns.

Modern Python 3 Development

Name: Modern Python 3 Development
Author: Jamie-BitFlight

byJamie-BitFlight

•

Developer Tools

Optimizes Claude for building, testing, and maintaining production-grade Python 3.11+ applications and high-performance CLI tools.

This skill transforms Claude into an expert Python architect, leveraging modern 3.11-3.14 patterns like PEP 723 inline metadata and native generics. It provides a comprehensive orchestration framework for building professional CLI applications with Typer and Rich, managing dependencies with uv, and enforcing strict quality gates using Ruff and Pyright. Whether you're designing package architectures, writing robust test suites, or debugging complex async code, this skill ensures adherence to modern standards and professional best practices.

Key Features

01Automated testing workflows for Pytest, including unit, integration, and mutation testing

0211 GitHub stars

03Modern Python 3.11-3.14 pattern enforcement including PEP 723 and native generics

04Standardized project scaffolding with uv-compatible pyproject.toml templates

05Integrated quality enforcement via Ruff, Pyright, and Google-style docstrings

06Sophisticated CLI development patterns using Typer and Rich with advanced UI handling

Use Cases

01Scaffolding new Python packages with modern directory structures and linting configurations

02Implementing test-driven development (TDD) and resolving complex type-checking or pre-commit errors

03Building portable, single-file CLI scripts with high-performance terminal UI and automatic dependency handling

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add jamie-bitflight/claude_skills python3-development

For use in Claude.ai and ChatGPT

Download Skill