Summary
The tdd skill guides developers through test-driven development using a red-green-refactor loop, emphasizing behavior-driven tests through public interfaces rather than implementation details. It's designed for developers building features or fixing bugs who want to practice TDD, and it solves the problem of writing brittle tests that break during refactoring by teaching vertical slicing (one test-implementation cycle at a time) instead of writing all tests upfront. The skill prioritizes integration-style tests that read like specifications and survive code changes because they verify what the system does, not how it does it internally.
Install to Claude Code
npx -y skills add mattpocock/skills --skill tdd --agent claude-codeInstalls into .claude/skills of the current project.
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Files
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Make coding agent sessions - Searchable, Shareable, Vendor-neutral & Scored.
Try For Free →Integrate web data into your AI product. One API to scrape website & brand data.
Get API Key Now →belt cli automatically finds the best tools and skills for your agent. image, video, music, tts...
one prompt install →Plug Mailtrap into your AI workflow and let it handle the email.
Connect Mailtrap MCP →Agent, run crypto. Access onchain data & trade routes via 1inch.
Install now →
