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ab-testing

100 / 100 · Low risk

Fine to try.

By coreyhaines31/marketingskills (GitHub) · marketing · 59,533 stars · scanned at commit 9d6d7ce

When the user wants to plan, run, or read A/B tests, or asks a judgement call on one: is the result real, can we stop, which version won, is this worth testing at all: sample size, duration, significance, hypotheses, and experiment backlogs. For tracking setup, see analytics. For page-level conversion fixes, see cro.

Works with any agent that supports SKILL.md skills.

What this skill can do

We found nothing in the files we read that matches our rules. That does not prove the skill is safe: see the limits of static scanning.

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'ab-testing' ] || [ -L ~/.agents/skills/'ab-testing' ]; then echo 'A skill folder named ab-testing already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/coreyhaines31/marketingskills' "$d" && git -C "$d" checkout --quiet '9d6d7ce8d18eb155dc2f9762435f097e60cdad7c' -- 'skills/ab-testing' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/ab-testing' ~/.agents/skills/'ab-testing' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'ab-testing' ~/.claude/skills/'ab-testing' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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