type-hints

Standardize Python type hints and enforce mypy strict mode checks.

Updated Aug 27, 2026
One-click install
npx skills add https://github.com/arinbalyan/config --skill type-hints-arinbalyan
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: type-hints
Source: https://github.com/arinbalyan/config/tree/main/skills/type-hints
Command: npx skills add https://github.com/arinbalyan/config --skill type-hints-arinbalyan

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Standardizes Python type hints across a codebase to reduce type-related bugs and improve maintainability.

Core Features & Use Cases

  • Typing standards for common constructs (List, Dict, Optional, Union, Tuple, Set, Callable) and best import practices.
  • Advanced typing facilities (TypedDict, Protocol, TypeVar, NewType, Literal, Final, TypeGuard) and their recommended usage.
  • Static analysis readiness with mypy strict mode, type narrowing guidance, and documented type hints.

Quick Start

Install or enable typing guidance in a project, annotate a sample module with standard hints, and run mypy to verify type correctness. Then iteratively refine annotations and documentation.

Frequently Asked Questions about type-hints

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

FAQPage Schema
How do I enforce Python type hints across my codebase to reduce bugs?

You can enforce Python type hints by standardizing common typing constructs like Optional, Union, and Callable, then running mypy strict mode to verify type correctness and iteratively refine annotations.

What is the best way to use TypedDict and Protocol for static typing in Python?

TypedDict and Protocol provide advanced static typing facilities for Python, guiding recommended usage to structure complex types and define interfaces, which mypy then checks for consistent, verifiable types.

Can I use mypy strict mode to verify TypeVar, Literal, and TypeGuard annotations?

Yes, mypy strict mode verifies TypeVar, Literal, and TypeGuard annotations by performing static analysis readiness checks, providing type narrowing guidance to ensure your codebase maintains verifiable types.

Does standardizing Python type hints work for projects of all sizes?

Standardizing Python type hints is applicable to projects of all sizes, reducing type-related bugs and improving maintainability by enforcing best practices for imports and common typing constructs.

Why do I need to follow best import practices for typing constructs like List and Dict?

Following best import practices for typing constructs like List, Dict, and Tuple ensures consistent typing standards across your codebase, preventing import-related type checking errors during mypy static analysis.

What are the limitations of relying on static analysis workflows for type narrowing?

Static analysis workflows require documented type hints and iterative refinement to effectively handle type narrowing; without proper annotations and mypy strict mode checks, type-related bugs may persist undetected.