---

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'."

v2.0.43: Skills to auto-load for subagents spawned from this skill

skills:

• grey-haven-code-style
• grey-haven-api-design-standards
• grey-haven-test-generation

v2.0.74: Restrict tools available when this skill is active

allowed-tools:

• Read
• Write
• MultiEdit
• Bash
• Grep
• Glob
• TodoWrite

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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