Marketing & salesNewFreeWorks in Claude Code · Claude app · Codex
A/B Testing
Design and run A/B tests that give you answers you can trust.
Part of Marketing skills by @coreyhaines31 ↗A/B Testing helps you plan, design, and run split tests and growth experiments — from a single test to a full experimentation program. It sets up clean tests with clear hypotheses so you learn what actually moves the needle.
What it does
- Designs A/B tests with clear hypotheses and success metrics.
- Helps you build a repeatable growth-experimentation program.
- Keeps tests clean so the results are trustworthy.
How to install (2 minutes)
Same download for Claude Code, Claude app, Codex — follow the step for the tool you use.
- 1Download the .zip and unzip it — you’ll get a folder called ab-testing.
- 2In the Claude app: open Settings → Capabilities → Skills, choose Add / Upload, and select the folder (or the .zip).
- 3In Claude Code: drop the folder into your project’s .claude/skills/ directory, then type /skills to confirm it loaded.
- 4In Codex: drop the folder into ~/.agents/skills/ (or your project’s .agents/skills/), then type /skills — or call it directly with $ab-testing.
- 5That’s it — the skill activates on its own when it fits what you’re doing.
Want to get the most out of your new skill?
Inside Hands-On AI Club we show you exactly how to use skills like this in real work — with step-by-step courses and a community to help you.