Principle Tdd

Quality score: 70/100 · Category: Engineering · Sub-category: testing

type:review

Test-Driven Development (TDD) — red-green-refactor, test-first, spec first, Arrange-Act-Assert, F.I.R.S.T. principles; writing tests before code; making tests fast and isolated. Auto-load when implementing a feature TDD-style, fixing a bug with tests, discussing test strategy, reviewing test quality, or writing the test before the implementation.

What this skill does

Principle Tdd is a production-ready Claude Code skill (quality score 70/100) in the testing sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/principle-tdd/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Principle Tdd skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It is part of the open ClaudSkills registry, a community-curated catalog of 15,000+ capabilities you can install for Claude Code — the Claude CLI agent.

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/principle-tdd
curl -L https://claudskills.com/skills/principle-tdd/SKILL.md \
  -o ~/.claude/skills/principle-tdd/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/principle-tdd/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/principle-tdd/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\principle-tdd\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

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Part of ClaudSkills — the open registry for Claude Code skills. · What's New · Install guide · About · llms.txt

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