ab-testing
When the user wants to plan, design, or implement an A/B test or experiment, or build a growth experimentation program. Also use when the user mentions "A/B test," "split test," "experiment," "test this change," "variant…
A complete, production-ready library of marketing playbooks — each with documentation, references, evaluations and structured prompts ready to plug into Claude, Codex, ChatGPT or any LLM.
Most viewed skills this month.
When the user wants to plan, design, or implement an A/B test or experiment, or build a growth experimentation program. Also use when the user mentions "A/B test," "split test," "experiment," "test this change," "variant…
When the user wants to set up, improve, or audit analytics tracking and measurement. Also use when the user mentions "set up tracking," "GA4," "Google Analytics," "conversion tracking," "event tracking," "UTM parameters,…
When the user wants to figure out which marketing actually drives conversions and revenue, choose or interpret an attribution model, or reconcile conflicting numbers across tools. Also use when the user mentions "attribu…
When the user wants to research, profile, or analyze competitors from their URLs. Also use when the user mentions 'competitor profile,' 'competitor research,' 'competitor analysis,' 'profile this competitor,' 'analyze co…
When the user wants to create competitor comparison or alternative pages for SEO and buyer-facing use. Also use when the user mentions 'alternative page,' 'vs page,' 'competitor comparison,' 'comparison page,' '[Product]…
When the user wants to optimize, improve, or increase conversions on any marketing page or form — including homepage, landing pages, pricing pages, feature pages, lead capture forms, or contact forms. Also use when the u…
When the user wants to conduct, analyze, or synthesize customer research. Use when the user mentions "customer research," "ICP research," "talk to customers," "analyze transcripts," "customer interviews," "survey analysi…
Every skill is a self-contained Markdown file with frontmatter, references and evaluations.
Each skill is a single SKILL.md with frontmatter, ready to feed to any LLM.
Playbooks, templates, spreadsheets and cheat sheets organized under each skill.
Every skill ships with test cases so you can benchmark AI output quality.
Ready-made connectors for GA4, HubSpot, Stripe, Meta Ads, Klaviyo and more.
Ask questions about any skill and get answers grounded in its content.
Interface in English & Spanish, with automatic translation for skill content.
Fresh content from the library.
Clone the repo, plug in your API key and start using 50 marketing skills with Claude, Codex or ChatGPT in minutes.