python-type-safety

Enforce Python type safety with type hints, generics, and protocols via mypy or pyright.

38.6k|4.1k|Updated Jul 24, 2025
One-click install
npx skills add https://github.com/wshobson/agents --skill python-type-safety-wshobson
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: python-type-safety
Source: https://github.com/wshobson/agents/tree/main/plugins/python-development/skills/python-type-safety
Command: npx skills add https://github.com/wshobson/agents --skill python-type-safety-wshobson

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps developers improve the reliability and maintainability of their Python code by leveraging static type checking, catching errors early in the development cycle.

Core Features & Use Cases

  • Type Hinting: Add type annotations to functions, variables, and class attributes.
  • Generics & Protocols: Create reusable, type-safe code structures and define interfaces.
  • Strict Type Checking: Configure tools like mypy or pyright for robust static analysis.
  • Use Case: When refactoring a complex Python function, use this Skill to add type hints to its parameters and return value, ensuring that future modifications adhere to the expected data types.

Quick Start

Use the python-type-safety skill to add type hints to the process_data function.

Frequently Asked Questions about python-type-safety

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I add type hints to Python functions to catch errors early?

Generics and protocols in Python type safety allow you to create reusable, type-safe structures and define structural interfaces. By using generics, you enforce strict type constraints on collections, while protocols define expected behaviors without explicit inheritance.

How do I configure mypy for strict Python static analysis?

Type hints and static analysis reduce Python runtime errors by catching type mismatches during development rather than execution. By enforcing explicit type declarations and integrating static analysis, developers validate data flow early and enhance long-term maintainability.

Can I use type hints to validate complex data structures in Python?

Yes, you can use type hints to validate complex data structures in Python by leveraging generics and protocols. These features allow you to define strict type constraints for nested data, ensuring robust validation and reducing unexpected runtime behavior.

What are the limitations of static type checking in Python?

Limitations of static type checking in Python include its inability to catch logic errors or runtime issues unrelated to data types. While it enforces type safety and reduces type-related runtime errors, it requires explicit declarations and does not replace comprehensive testing.