A/B Test Planner
Calculates sample size and duration, then checks if your A/B test results are real.
by borghei · ★ 976 on GitHub
What it does
Tell Claude your baseline conversion rate, the lift you want to detect, and your daily traffic. Claude calculates the sample size and test length you need, drafts a test plan, and can check your results for statistical significance. You get clear numbers and a plain-language verdict on the outcome.
Who it’s for
A good fit for marketers, founders and anyone promoting a business and people who work with spreadsheets and numbers.
Do you need to code?
No. You can use this without writing or editing any code.
How to install
Add it as a skill, or as part of its plugin. This skill also ships inside a plugin, so you can upload just this skill to Claude, or install the whole plugin it comes in. See the step-by-step guide.
Safety note
Runs bundled scripts on your computer.
Script files included: 3
As with any add-on, only install skills from sources you trust, and read what it does first.
License
MIT