---
name: grey-haven-tdd-python
description: "Python Test-Driven Development expertise with pytest, strict red-green-refactor methodology, FastAPI testing patterns, and Pydantic model testing. Use when implementing Python features with TDD, writing pytest tests, testing FastAPI endpoints, developing with test-first approach, or when user mentions 'Python TDD', 'pytest', 'FastAPI testing', 'red-green-refactor', 'Python unit tests', 'test-driven Python', or 'Python test coverage'."
---

# TDD Python Skill

Python Test-Driven Development following strict red-green-refactor cycle with pytest and comprehensive coverage.

## Description

Systematic Python implementation using TDD methodology, ensuring tests written first and driving design decisions.

## What's Included

- **Examples**: Python TDD cycles, FastAPI TDD, Pydantic model TDD
- **Reference**: pytest patterns, Python testing best practices
- **Templates**: pytest templates, TDD workflows

## Use When

- Implementing Python features with TDD
- FastAPI development
- Pydantic model development

## Related Agents

- `tdd-python-implementer`

**Skill Version**: 1.0