Test-driven development. Use when the user wants to build features or fix bugs test-first, mentions "red-green-refactor", or wants integration tests.

Claude Code plugin for German/EU legal audits (DSGVO, TDDDG, UWG, AI Act, etc.). Not legal advice.

Superpowers skills for DeepSeek Harness: TDD, debugging, planning, and collaboration skills adapted from obra/superpowers