backend-vitest

Fast unit testing framework for TypeScript/JavaScript. Use for testing tRPC procedures, Zod schemas, utility functions, and any TypeScript code. Built on Vite with native ESM, TypeScript support, and Jest-compatible API. Choose Vitest over Jest for modern TypeScript projects, especially with Vite-based setups.

$ Instalar

git clone https://github.com/petbrains/mvp-builder /tmp/mvp-builder && cp -r /tmp/mvp-builder/.claude/skills/backend-vitest ~/.claude/skills/mvp-builder

// tip: Run this command in your terminal to install the skill