Growth Funnel

This walks you through the AARRR framework (Acquisition, Activation, Retention, Referral, Revenue) to diagnose where your growth is actually stuck. It's Dave McClure's pirate metrics model, organized as tables of key metrics and tactics per stage, plus pointers to related skills for deeper work. Use it when you need to figure out if your problem is getting users in the door, getting them to their aha moment, or keeping them around. The cohort analysis emphasis is smart since aggregate numbers hide what's really happening. It won't run campaigns for you, but it'll help you see which stage is bleeding users so you stop optimizing the wrong thing.

skills.sh installs: 1.3K
GitHub stars: 1.1K
last updated: Aug 21, 2026

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Install

$ npx -y skills add kostja94/marketing-skills --skill growth-funnel --agent claude-code

Installs into .claude/skills of the current project.

Files

Strategies: Growth Funnel (AARRR)

Guides growth using the AARRR framework (Pirate Metrics)—five stages of the customer lifecycle. Created by Dave McClure (500 Startups) to focus on actionable metrics over vanity metrics. Use this skill when diagnosing growth bottlenecks, prioritizing improvements, or aligning product, marketing, and customer success.

When invoking: On first use, if helpful, open with 1–2 sentences on what this skill covers and why it matters, then provide the main output. On subsequent use or when the user asks to skip, go directly to the main output.

AARRR Framework

Stage	Question	Key metrics
Acquisition	How do users discover you?	CAC, CPA, conversion by source
Activation	Do users reach "aha moment"?	Activation rate, time-to-first-value
Retention	Do users return?	D1/D7/D30 retention, churn
Referral	Do users recommend?	Referral rate, NPS, viral coefficient
Revenue	Do users pay?	Conversion rate, ARPU, LTV

SKILL.md on GitHub

Details

Repository: github.com/kostja94/marketing-skills
Categories: Debugging, Productivity & Planning, Marketing & SEO
First seen: May 16, 2026