Designing Growth Loops
Design one dominant viral, referral, content, or product-led loop so your product compounds users without ad-hoc growth hacks.
Overview
Designing Growth Loops is an agent skill most often used in Grow (also Launch distribution, Validate scope) that helps you pick and optimize one dominant viral, referral, or product-led acquisition loop.
Install
npx skills add https://github.com/refoundai/lenny-skills --skill designing-growth-loopsWhat is this skill?
- Classifies loop type: viral, paid, content, or product-led acquisition
- Checks prerequisites: LTV, network effects, and product stickiness before scaling a loop
- Surfaces the natural sharing moment where users willingly bring others in
- Frames compounding design so output feeds back into the same loop
- Grounded in practitioner patterns from high-scale product-led companies
- 54 product leader frameworks referenced in skill positioning
Adoption & trust: 1.5k installs on skills.sh; 1k GitHub stars; 3/3 security scanners passed (skills.sh audits).
What problem does it solve?
You are shipping features but have no repeatable loop that turns usage into new users or retained revenue.
Who is it for?
Founders with an MVP or live SaaS who want product-led or viral mechanics instead of only paid acquisition.
Skip if: Pre-idea brainstorming with no product surface yet, or teams that already have a validated dominant loop and only need channel ops tuning.
When should I use this skill?
Building viral mechanics, designing referral programs, creating product-led acquisition, or figuring out how to make the product grow itself.
What do I get? / Deliverables
You leave with a typed growth loop, prerequisite checks, a defined sharing moment, and a compounding design you can implement and measure next.
- Primary loop type recommendation
- Prerequisite assessment
- Natural sharing moment definition
Recommended Skills
Journey fit
Spans multiple journey phases - primary shelf plus alternate fits below.
Growth loops are where acquisition and retention mechanics pay off after you have something to ship; canonical shelf is Grow because the skill optimizes compounding user motion. Lifecycle covers referral, viral invites, and product-led expansion—the natural sharing moments and loop feedback the skill targets.
Where it fits
Decide whether PLG or referral fits your pricing and onboarding before committing to a full build.
Map the invite or share path you will promote on launch week.
Redesign onboarding so completed actions trigger the primary sharing loop.
Define loop metrics (K-factor, invite conversion) before A/B testing mechanics.
How it compares
Use for loop architecture and sharing-moment design—not generic SEO keyword research or one-off ad copy.
Common Questions / FAQ
Who is designing-growth-loops for?
Solo builders and small teams building SaaS, content products, or marketplaces who need structured help on referrals, virality, and product-led acquisition.
When should I use designing-growth-loops?
During Validate when scoping PLG motion, at Launch when planning distribution, and in Grow when optimizing lifecycle and referral mechanics—or whenever you ask how the product can grow itself.
Is designing-growth-loops safe to install?
It is advisory guidance only; review the Security Audits panel on this catalog page before installing from any third-party skills repository.
SKILL.md
READMESKILL.md - Designing Growth Loops
# Designing Growth Loops Help the user design effective growth loops using frameworks from 54 product leaders who have built viral and product-led growth engines at companies from Dropbox to LinkedIn to Calendly. ## How to Help When the user asks for help with growth loops: 1. **Identify the loop type** - Determine if they need viral, paid, content, or product-led acquisition loops 2. **Assess prerequisites** - Check if they have the LTV, network effects, or product stickiness to support the loop 3. **Find the natural sharing moment** - Help them identify where users would naturally want to bring others in 4. **Design for compounding** - Ensure the loop feeds back into itself for sustainable growth ## Core Principles ### One dominant loop matters most Luc Levesque: "It's usually just one loop that you need to get right. Most successful companies scale primarily through one dominant, well-executed growth loop." Focus on identifying and dominating one primary channel before diversifying. ### Viral growth is a learnable science Nikita Bier: "With certainty, if you're good at your job, you can make an app grow and go viral. Over the years of building all these apps, I've accrued all these growth hacks that still nobody knows about." Develop a library of growth tactics based on platform-specific mechanisms. ### LTV unlocks paid loops Yuriy Timen: "If you have really healthy LTVs, then there is a big opportunity to play paid and lean into paid growth loops." Calculate if single-player LTVs are high enough to support sustainable paid acquisition. ### Product-led acquisition has zero marginal cost Julian Shapiro: "By me trying to use PayPal in its everyday intention, I'm automatically enticing someone else to become a PayPal customer." PLA is the most scalable channel because it's entirely within the company's control. ### Innovation over optimization in fast markets Elena Verna: "I feel like only 30 to 40% of what I've learned transfers here because we need to invest in such bigger bets and innovate and create new growth loops." In fast-moving AI categories, shift from 95% optimization to 95% innovation. ### Word-of-mouth requires frequency Uri Levine: "Word-of-mouth you can only have if you have high frequency of use. If you're using Waze every day, then every day you have an opportunity to tell someone else." Sustainable word-of-mouth is tied to how often users engage with the product. ### Map the loops qualitatively and quantitatively Ben Williams: "Being able to identify the various micro and macro loops, how they're all connected, being able to document them in a qualitative model provides a shared understanding and guides intentional investment." ### 40-50% organic is the healthy ratio Gokul Rajaram: "A good metric is that 40 to 50% of your new customers should ideally come from organic channels. If 90% come from paid, at some point the music is going to stop." ## Questions to Help Users - "What's the natural moment when users would want to bring others in?" - "Does your product become more valuable when more people use it?" - "What percentage of your growth is organic vs paid?" - "What's your customer LTV and payback period?" - "Is there an action users take that automatically exposes your product to others?" - "Can you identify where users already share your product organically?" ## Common Mistakes to Flag - **Paid acquisition on freemium** - Consumer subscriptions relying on paid acquisition will predictably fail - **Manufacturing network effects** - Network effects are usually inherent; hard to add as an afterthought - **Diversifying too early** - Early-stage companies should focus on one working engine - **Single-channel dependency** - Late-stage comp