CLAUDE SKILLVitest & Playwright TDD Claude Skill (.md) | Free & Offline
Production-grade architectural rulebook for Vitest & Playwright TDD. Engineered to eliminate LLM hallucinations, enforce strict deterministic conventions, and prevent architectural drift across Cursor IDE, Claude Code CLI, and autonomous multi-agent pipelines.
.claude/skills/tdd-specialist/SKILL.mdFailure Patterns Prevented for Vitest & Playwright TDD
AI coding tools often generate code without accompanying tests. These rules force Cursor to write failing tests first and mock external I/O cleanly.
- Invokes deprecated or removed APIs from older model training weights
- Generates conflicting configuration files and invalid imports
- Silently drops type-safety, boundaries, or transaction isolation
Where to Save This Rule in Your Repository
Export the rules from the interactive editor above or download the full ZIP bundle. Ensure the file is placed at the exact path below relative to your project root so the AI engine automatically loads it:
Claude Code Skills (SKILL.md) Directory
Inspect the complete specification manual, glob patterns, directory rules, and all available presets in our central directory.
Technical FAQ: Vitest & Playwright TDD AI Rulebooks
Does this work with Vitest and Jest?
Yes, it enforces standard describe/test assertions and mock isolation compatible with both Vitest and Jest.