Chicago Tdd Pattern

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

type:integration

Master Chicago TDD (state-based testing). Create tests that verify observable behavior with real collaborators. Use chicago-tdd-tools 1.4.0 AAA pattern. When writing tests, verifying implementation correctness, improving test quality, or analyzing test coverage. Covers: unit tests, integration tests, mutation testing, assertion analysis.

What this skill does

Chicago Tdd Pattern 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/chicago-tdd-pattern/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Chicago Tdd Pattern 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/chicago-tdd-pattern
curl -L https://claudskills.com/skills/chicago-tdd-pattern/SKILL.md \
  -o ~/.claude/skills/chicago-tdd-pattern/SKILL.md

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

Skills live at ~/.claude/skills/chicago-tdd-pattern/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\chicago-tdd-pattern\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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