metrics-tracker

name	metrics-tracker
description	Defines and tracks startup metrics by stage (Pre-PMF, Post-PMF, Scale). Supports AARRR pirate metrics, North Star Metric, and leading/lagging indicator frameworks with dashboard templates.
metadata	{"version":"1.0.0","category":"product","domain":"analytics"}
triggers	["metrics","KPI","AARRR","north star","product metrics"]

Metrics Tracker - Startup Metrics Framework

Overview

Defines the right metrics for your startup stage. Measuring everything measures nothing — focus on the metrics that drive decisions.

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1. When to Apply

Trigger	Behavior
Defining initial metrics	Stage-based metric selection
"KPI", "AARRR"	Metric framework setup
Weekly/monthly review	Metric report template

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2. Metrics by Stage

Pre-PMF (Product-Market Fit 전)

Focus: Are users getting value?

Metric	Definition	Target
Activation Rate	% of signups completing core action	> 40%
Retention (Week 1)	% returning after 7 days	> 25%
NPS	Net Promoter Score	> 40
Qualitative feedback	User interview insights	Weekly interviews
Sean Ellis Test	"Very disappointed" if product disappeared	> 40%

Post-PMF

Focus: Can we grow efficiently?

Metric	Definition	Target
MRR	Monthly Recurring Revenue	Growing MoM
MRR Growth Rate	(This month - Last month) / Last month	> 15% MoM
Churn Rate	% of users/revenue lost per month	< 5%
CAC	Total acquisition cost / New customers	Decreasing
LTV	Avg revenue per customer × Avg lifetime	LTV/CAC > 3

Scale

Focus: Is growth sustainable and efficient?

Metric	Definition	Target
ARR	Annual Recurring Revenue	Milestone-based
Net Revenue Retention	Expansion - Churn	> 110%
Payback Period	Months to recover CAC	< 12 months
Gross Margin	(Revenue - COGS) / Revenue	> 70%
Rule of 40	Revenue growth % + Profit margin %	> 40%

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3. AARRR Framework

Acquisition → Activation → Retention → Revenue → Referral

[How users     [First       [Users      [Users     [Users bring
 find you]      value        come        pay]       others]
                moment]      back]

Define for your product:

## Our AARRR Metrics

| Stage | Metric | Current | Target | Measurement |
|-------|--------|---------|--------|-------------|
| **Acquisition** | [e.g., Website visitors] | [N] | [N] | [GA4] |
| **Activation** | [e.g., Complete onboarding] | [N%] | [N%] | [Mixpanel] |
| **Retention** | [e.g., DAU/MAU ratio] | [N%] | [N%] | [Amplitude] |
| **Revenue** | [e.g., MRR] | $[N] | $[N] | [Stripe] |
| **Referral** | [e.g., Invite rate] | [N%] | [N%] | [Custom] |

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4. North Star Metric

## Our North Star

**Metric**: [e.g., "Weekly active projects created"]

**Why this metric:**
- Reflects core value delivery
- Correlates with retention and revenue
- Team can influence it directly

**Input Metrics (levers we can pull):**
1. [Input 1] → impacts North Star by [mechanism]
2. [Input 2] → impacts North Star by [mechanism]
3. [Input 3] → impacts North Star by [mechanism]

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5. Weekly Metrics Report Template

# Weekly Metrics — Week of YYYY-MM-DD

## North Star: [Metric Name]
**This week**: [value] ([+/-]% WoW)
**Trend**: 📈 / 📉 / ➡️

## Key Metrics
| Metric | This Week | Last Week | Change | Status |
|--------|-----------|-----------|--------|--------|
| [Metric 1] | [val] | [val] | [+/-]% | 🟢/🟡/🔴 |
| [Metric 2] | [val] | [val] | [+/-]% | 🟢/🟡/🔴 |

## Highlights
- [Positive trend and hypothesis for why]

## Concerns
- [Negative trend and action plan]

## Actions for Next Week
1. [Specific action to improve metric X]

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6. Tool Coordination

Tool	Purpose
Write	Generate metric definitions, report templates
Read	Reference existing metric documents

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7. Boundaries

Will:

• Define appropriate metrics by startup stage
• Provide AARRR, North Star, and other framework templates
• Generate weekly/monthly report templates
• Recommend measurement tools

Will Not:

• Connect to analytics platforms or pull real data
• Set up analytics instrumentation (use analytics-scaffold)
• Make strategic decisions based on metrics
• Guarantee metric targets are correct for your specific business