How do I implement type safety in an existing project?

This skill provides an incremental adoption strategy, focusing on annotating public signatures first and enabling strict mode on a per-module basis.

What are Protocols in this context?

Protocols allow for structural typing (static duck typing), letting you define interfaces based on object behavior and methods rather than strict class inheritance.

How does this skill improve Python code quality?

It implements static type checking patterns that catch errors before execution, serves as enforced documentation, and improves IDE autocompletion and developer experience.

Can I use this with older Python versions?

Yes, while it favors modern Python 3.10+ syntax like the pipe operator for unions, it provides patterns and aliases compatible with older versions using the typing module.

Does this require specific tools like mypy?

While it provides the logic and patterns, it is designed to be paired with static type checkers like mypy or pyright to validate the annotations automatically.

Python Type Safety

Name: Python Type Safety
Author: wshobson

bywshobson

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27,605

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開発者ツール

Implements robust static analysis and type hinting patterns to ensure Python code reliability and maintainability.

Python Type Safety empowers developers to leverage modern Python's static typing ecosystem within Claude Code. By implementing comprehensive type hints, generics, and structural protocols, this skill helps catch logical errors during development rather than at runtime. It provides standardized patterns for type narrowing, generic repositories, and strict mypy/pyright configurations, transforming Python into a more predictable and self-documenting language for large-scale applications and professional libraries.

主な機能

01Strict type hint implementation for public signatures

02Generic class and repository design patterns

03Structural typing with runtime-checkable Protocols

04Optimized configurations for mypy and pyright strict modes

05Advanced type narrowing and type guard strategies

0627,605 GitHub stars

ユースケース

01Designing type-safe API interfaces and data models

02Refactoring legacy Python codebases to include type annotations

03Setting up strict static analysis in CI/CD pipelines

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add wshobson/agents python-type-safety

For use in Claude.ai and ChatGPT

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