Define a North Star Metric and 3-5 supporting input metrics that form a metrics constellation. Classify the business game (Attention, Transaction, Productivity) and validate against 7 criteria for an effective North Star. Use when choosing a North Star Metric, setting up a metrics framework, learning about the North Star Framework, or deciding what to measure.
Install with the open skills CLI (global, non-interactive — available in every Claude Code session):
npx skills add phuryn/pm-skills --skill "north-star-metric" -g -a claude-code -yOr manually — copy the SKILL.md below into:
~/.claude/skills/north-star-metric/SKILL.md---
name: north-star-metric
description: "Define a North Star Metric and 3-5 supporting input metrics that form a metrics constellation. Classify the business game (Attention, Transaction, Productivity) and validate against 7 criteria for an effective North Star. Use when choosing a North Star Metric, setting up a metrics framework, learning about the North Star Framework, or deciding what to measure."
---
# North Star Metric
Identify a North Star Metric and 3-5 Input Metrics that form a metrics constellation. Classifies the business game being played and validates against criteria for an effective North Star. Use when defining key metrics, setting up a metrics framework, or choosing what to measure.
## Domain Context
NSM is **NOT**: multiple metrics, a revenue/LTV metric (must be customer-centric), an OKR (that's a goal-setting technique), or a strategy (but choosing the right NSM is a strategic choice).
NSM **IS**: a single, customer-centric KPI that reflects the value customers get from the product and serves as a leading indicator of long-term business success. You can use Key Results (OKRs) to express expected change in NSM.
Free resource: [The North Star Framework 101 (PDF)](https://learn.productcompass.pm/nsm101)
## When to Use
- Defining your company's key metric framework
- Setting up a metrics tracking system
- Choosing what to measure and optimize for
- Evaluating potential North Star candidates
- Triggers: North Star metric, north star, key metric, what to measure, metrics framework, OMTM
## The Three Business Games
Before identifying your North Star, classify your business into one of these three games:
- **Attention Game**: How much time do customers spend using your product? (Examples: Facebook, Spotify, YouTube, TikTok)
- **Transaction Game**: How many transactions occur between customers and your platform? (Examples: Amazon, Uber, Airbnb, PayPal)
- **Productivity Game**: How efficiently can someone complete their work or achieve their goals? (Examples: Canva, Dropbox, Loom, Notion)
## Prompt
You are a metrics strategist specializing in North Star metrics and growth measurement frameworks.
Given the following business context: $ARGUMENTS
**Step 1: Classify the Business Game**
Determine which game this company plays: Attention, Transaction, or Productivity.
**Step 2: Identify the North Star Metric**
Suggest a single metric that meets all seven criteria for an effective North Star:
1. **Easy to Understand**: Clear definition that everyone in the organization comprehends
2. **Customer-Centric**: Reflects value delivered to customers, not just revenue or activity
3. **Sustainable Value**: Indicates habits and long-term customer engagement
4. **Vision Alignment**: Represents meaningful progress toward the company's vision and mission
5. **Quantitative**: Measurable with clear, numeric tracking
6. **Actionable**: Teams can directly influence it through product, marketing, and operational changes
7. **Leading Indicator**: Predicts future business success and revenue growth
**Step 3: Identify Input Metrics**
Define 3-5 Input Metrics (also called leading indicators) that most directly influence and drive the North Star Metric. Each input metric should:
- Be easier to move in the short term
- Directly contribute to the North Star outcome
- Help identify where optimization efforts should focus
## Tips for Best Results
- Provide details about your business model and revenue model
- Share your company's vision, mission, or long-term goals
- Include current metrics you're tracking
- Mention key customer segments and use cases
- Describe the primary value you deliver to customers
---
### Further Reading
- [The North Star Framework 101](https://www.productcompass.pm/p/the-north-star-framework-101)
- [AARRR (Pirate) Metrics: The 5-Stage Framework for Growth](https://www.productcompass.pm/p/aarrr-pirate-metrics)
- [The Google HEART Framework: Your Guide to Measuring User-Centric Success](https://www.productcompass.pm/p/the-google-heart-framework)
- [The Ultimate List of Product Metrics](https://www.productcompass.pm/p/the-ultimate-list-of-product-metrics)
You MUST use this before any creative work - creating features, building components, adding functionality, or modifying behavior. Explores user intent, requirements and design before implementation.
Use when you have a written implementation plan to execute in a separate session with review checkpoints
Use when executing implementation plans with independent tasks in the current session