metrics-frameworks

Claude uses this skill when:

• Choosing which metrics to track
• Instrumenting product analytics
• Creating dashboards
• Defining success criteria

1. North Star Metric

Definition:

> The ONE metric that best captures the core value you deliver to customers

Good North Star:

• Measures value delivery (not vanity)
• Leading indicator of revenue
• Captures product vision
• Actionable by team

Examples:

• Airbnb: Nights booked
• Facebook: Daily active users
• Slack: Messages sent
• Amplitude: Weekly learning users (in Spotify)

2. AARRR Framework

Pirate Metrics:

• Acquisition: How users find you
• Activation: First value experience
• Retention: Users coming back
• Revenue: Monetization
• Referral: Viral growth

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Template: Metrics Dashboard

```markdown

# Metrics Dashboard: [Product/Feature]

Metric: [name]

Current: [value]

Target: [goal]

Why this metric: [captures core value]

Acquisition

• Signups: [X per day]
• Channels: [breakdown]
• Cost per acquisition: [$X]

Activation

• Activation rate: [X]%
• Time to first value: [X minutes]

Retention

• Day 1: [X]%
• Day 7: [X]%
• Day 30: [X]%

Revenue

• ARPU: [$X]
• LTV: [$X]
• Conversion rate: [X]%

Referral

• K-factor: [X]
• Referral rate: [X]%

Leading (predict future):

• [Metric that predicts outcome]

Lagging (measure past):

• [Metric that measures result]

```

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📊 Metrics Checklist

Choose Metrics:

• [ ] North Star defined
• [ ] AARRR covered
• [ ] Leading indicators identified
• [ ] Vanity metrics avoided

Implement:

• [ ] Tracking instrumented
• [ ] Dashboard created
• [ ] Goals set
• [ ] Review cadence established

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Amplitude:

> "The best metrics measure value delivery, not just activity."

Sean Ellis:

> "If you can't measure it, you can't improve it."