growth-loops

Growth Loops

Design and optimize self-reinforcing growth systems using Reforge methodology—shift from linear funnels to compounding loops where outputs become inputs for sustainable, defensible growth.

When to Use This Skill

Use this skill when you need to:

• Analyze your current growth model and identify if you have a loop or funnel
• Design a growth loop for a new product or feature
• Diagnose why growth isn't compounding despite acquisition efforts
• Identify the right loop type for your business model
• Optimize loop velocity to accelerate growth
• Build multiple loops that feed each other
• Present growth strategy to investors or leadership
• Audit retention's impact on your growth system

This skill is particularly valuable for:

• Growth leaders and PMs designing growth strategy
• Founders building sustainable acquisition models
• Marketing leaders moving beyond paid-only growth
• Product teams embedding growth into the product
• Investors evaluating company growth potential
• Startups seeking capital-efficient growth

Methodology Foundation

Sources:

• Brian Balfour - "Growth Loops are the New Funnels" (Reforge)
• Reforge Growth Series curriculum
• Kevin Kwok - "The Arc of Collaboration"

Core Principle: Growth loops are closed systems where outputs from one cycle become inputs for the next, creating compounding effects over time. Unlike funnels, loops don't require constant external input to maintain output.

"Loops are closed systems where the inputs through some process generates more of an output that can be reinvested in the input." — Brian Balfour

What Claude Does vs What You Decide

| Claude Does | You Decide | |-------------|------------| | Structures analysis frameworks | Strategic priorities | | Synthesizes market data | Competitive positioning | | Identifies opportunities | Resource allocation | | Creates strategic options | Final strategy selection | | Suggests implementation approaches | Execution decisions |

What This Skill Does

When invoked, I will guide you through growth loop design and optimization:

1. Assess current state - Determine if you have loops or funnels
2. Identify your core loop - Find the primary mechanism driving growth
3. Map loop components - Input → Action → Output → Feedback
4. Diagnose friction points - Where the loop breaks or slows
5. Measure loop health - Key metrics that matter
6. Optimize velocity - Accelerate cycle time and volume
7. Design secondary loops - Build compound growth systems
8. Create implementation plan - Prioritized improvements

How to Use

Provide information about your business and growth:

Example prompts:

• "Analyze our growth model and identify if we have true loops"
• "Design a viral loop for our collaboration tool"
• "Why isn't our growth compounding despite high acquisition?"
• "What type of growth loop fits our SaaS business?"
• "Help me optimize our referral program as a loop"
• "Audit our growth strategy for defensibility"

Information that helps:

• Your product and value proposition
• Current acquisition channels
• Retention and engagement metrics
• Unit economics (CAC, LTV, payback)
• User actions that create value
• Any existing referral or viral mechanics
• Content or UGC already being created

Instructions

Understanding the Paradigm Shift

The Funnel Problem

Traditional growth thinking:

Awareness → Interest → Consideration → Purchase → (end)
     ↓          ↓           ↓            ↓
   Drop      Drop        Drop         Drop

Why funnels plateau:

• Require constant new input to maintain output
• No compounding effect
• Channels commoditize (CAC rises over time)
• Easily replicated by competitors

The Loop Solution

Growth loop thinking:

    ┌─────────────────────────────────────┐
    │                                     │
    ▼                                     │
New User → Action → Output → Distribution ─┘
                      │
                      └─→ (Attracts more new users)

Why loops compound:

• Output becomes input for next cycle
• Growth accelerates over time
• Creates defensible competitive advantage
• Can decrease CAC as loop strengthens

The Four Types of Growth Loops

Type 1: Viral/Referral Loops

Mechanism: Users invite other users who invite more users.

New User → Experiences Value → Invites Others → New Users Sign Up → Repeat

Best for:

• Collaboration tools (Slack, Zoom, Notion)
• Social products (Facebook, TikTok)
• Products with network effects
• Consumer apps with sharing incentive

Key metrics: | Metric | Definition | Target | |--------|------------|--------| | Viral coefficient (K) | Invites × Conversion rate | >1 for viral growth | | Cycle time | Days per loop iteration | Shorter = faster | | Invitation rate | % of users who invite | Higher = more fuel |

Optimization levers:

• Reduce friction in invitation process
• Increase invitation incentive (both sides)
• Shorten time to value (faster "aha" moment)
• Improve targeting (invite right people)
• Make sharing natural to product use

Type 2: User-Generated Content (UGC) Loops

Mechanism: Users create content that attracts new users who create more content.

User Creates Content → Content Indexed/Distributed → New Users Discover → Sign Up → Create Content → Repeat

Best for:

• Professional networks (LinkedIn)
• Review platforms (Yelp, G2)
• Community platforms (Reddit, Pinterest)
• Marketplaces (Airbnb, Etsy)

Key metrics: | Metric | Definition | Target | |--------|------------|--------| | Content creation rate | % of users creating | Higher = more SEO fuel | | Content discoverability | Organic traffic per piece | Optimize for search | | Content-to-signup CVR | Visitors → signups | Higher = tighter loop | | Creator activation | New users → creators | Faster = more content |

Optimization levers:

• Lower content creation friction
• Improve content templates/prompts
• Optimize content for SEO/feeds
• Incentivize quality content
• Distribute across more channels

Type 3: Paid Marketing Loops

Mechanism: Revenue funds acquisition of customers who generate more revenue.

Ad Spend → Customer Acquisition → Revenue Generation → Reinvest in Ads → Repeat

Best for:

• E-commerce with strong margins
• SaaS with fast payback periods
• Products with high LTV
• Transactional businesses

Key metrics: | Metric | Definition | Target | |--------|------------|--------| | LTV:CAC ratio | Customer lifetime value ÷ acquisition cost | >3:1 ideal | | Payback period | Months to recover CAC | <12 months | | Marginal efficiency | Additional spend efficiency | Stable or improving |

Requirements for loop to work:

• LTV > CAC (profit to reinvest)
• Sustainable payback period
• Capital available for investment
• Marginal efficiency doesn't collapse

Optimization levers:

• Increase LTV (retention, expansion revenue)
• Decrease CAC (creative, targeting, conversion)
• Shorten payback (pricing, onboarding)
• Improve capital efficiency

Type 4: Sales Loops

Mechanism: Customer success creates reference customers that help close more deals.

Close Deal → Customer Success → Case Study/Reference → Credibility → Close More Deals → Repeat

Best for:

• Enterprise SaaS
• High-ticket B2B services
• Consultancies and agencies
• Complex sale products

Key metrics: | Metric | Definition | Target | |--------|------------|--------| | Time to success | Days from close to ROI | Shorter = faster reference | | Reference rate | % of customers becoming references | Higher = more ammo | | Win rate with reference | Close rate with case study | Track improvement | | Deal cycle with reference | Sales cycle length | Shorter = acceleration |

Optimization levers:

• Accelerate customer onboarding
• Define and measure success clearly
• Sys