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mypy

Design and enforce mypy type-checking workflows for Python services and libraries.

Updated Aug 23, 2026
Search Tags:#ci/cd#static analysis#python#type checking#mypy#gradual typing
One-click install
npx skills add https://github.com/westonwrz/codex-skills-by-codex --skill mypy-westonwrz
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: mypy
Source: https://github.com/westonwrz/codex-skills-by-codex/tree/main/mypy
Command: npx skills add https://github.com/westonwrz/codex-skills-by-codex --skill mypy-westonwrz

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) and agents (resource) components.

What problem does it solve?

This Skill helps you establish and maintain robust Python type-checking workflows, ensuring code quality and reducing runtime errors.

Core Features & Use Cases

  • Mypy Configuration: Design and tune mypy.ini or pyproject.toml for optimal type checking.
  • Gradual Typing: Plan and implement strategies for adopting type hints incrementally.
  • CI Integration: Set up deterministic type checks within your continuous integration pipelines.
  • Use Case: You're starting a new Python project and want to ensure type safety from the beginning, or you're adding type hints to an existing codebase and need guidance on configuration and rollout.

Quick Start

Use the mypy skill to create a baseline mypy configuration file for a Python project.

Frequently Asked Questions about mypy

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

FAQPage Schema
How do I configure mypy for a Python project?▼

Gradual typing lets you adopt Python type hints incrementally rather than updating an entire codebase at once. You plan a rollout strategy to add type checking to existing code safely over time without disrupting development.

Can I integrate mypy type checking into a CI/CD pipeline?▼

Yes, you can integrate mypy into CI/CD pipelines to set up deterministic type checks during continuous integration. This ensures static analysis runs automatically to catch type errors before deployment.

What is gradual typing in Python and when do I need it?▼

Gradual typing lets you adopt Python type hints incrementally rather than updating an entire codebase at once. You plan a rollout strategy to add type checking to existing code safely over time without disrupting development.

How do I manage stubs and plugins for mypy static analysis?▼

Managing stubs and plugins for mypy static analysis involves addressing stub management and plugin integration during your workflow setup. This ensures external libraries are correctly recognized by the type checker.

What do I need to know before setting up Python type checking workflows?▼

Before setting up Python type checking workflows, you need an understanding of Python packaging, CI/CD systems, and static analysis principles. This prerequisite knowledge ensures proper configuration and pipeline stabilization.

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