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antigravity-ipa-workflow/skills/lean-analyze-usage/SKILL.md
2026-02-16 13:58:02 +09:00

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---
name: lean-analyze-usage
description: Analyze post-launch usage data to generate improvement recommendations with prioritized action items. Use after a product has launched and usage data is available, when identifying feature adoption gaps or funnel drop-offs, or when planning the next iteration based on real user behavior. Trigger phrases: "analyze usage data", "post-launch analysis", "lean usage analysis".
---
## Overview
Generates a usage analysis report from analytics data (CSV or manual input) to inform the next product iteration. Outputs `plans/reports/usage-analysis-{date}.md` with findings, funnel analysis, retention data, and prioritized recommendations.
## When to Use
- Product has launched and 30+ days of usage data are available
- Identifying which features are underused or causing drop-off
- Planning the next improvement cycle based on real behavior
- Presenting data-driven recommendations to stakeholders
## Don't Use When
- Product has not launched yet (use lean-user-research instead)
- No usage data is available
## Input
Supported:
- CSV file path (exported from GA, Mixpanel, Amplitude, etc.)
- "manual" (guided input via questions)
## Workflow
### Step 1: Collect Data
If CSV provided: parse user_id, event, timestamp, properties.
If "manual": ask for:
- Total users (DAU/WAU/MAU)
- Key events (signups, activations, feature usage)
- Funnels (conversion rates)
- Retention (D1, D7, D30)
### Step 2: Analyze Patterns
- Feature usage: most/least used features, power vs casual users
- Drop-off analysis: where users abandon flows, conversion per step
- Retention: return rates after 1/7/30 days, cohort quality
- Correlations: features correlated with retention, acquisition source vs conversion
### Step 3: Generate Report
```markdown
# Usage Analysis Report
**Period:** {start} to {end}
**Generated:** {date}
## Executive Summary
**Key Findings:**
1. Finding 1 (Impact: HIGH)
2. Finding 2 (Impact: MEDIUM)
**Top Opportunity:** [Highest impact improvement]
## Metrics Overview
| Metric | Value | Benchmark | Status |
|--------|-------|-----------|--------|
| MAU | X | 1,000+ | pass/warn |
| Signup → Activation | X% | 40%+ | pass/warn |
| D7 Retention | X% | 20%+ | pass/warn |
## Feature Adoption
| Feature | Users | % of Total | Trend |
|---------|-------|------------|-------|
## Funnel Analysis
| Step | Users | Conversion | Drop-off |
|------|-------|------------|----------|
## Cohort Retention
| Source | Users | D1 | D7 | D30 | Quality |
## Recommendations
### P0 (Do First)
**1. [Issue Title]**
- Issue: [Problem]
- Root Cause: [Why]
- Solution: [Fix]
- Expected Impact: [Metric improvement]
### P1 (Medium Priority)
### P2 (Low Priority)
## Next Steps
1. Review with team
2. Create improvement plan: lean [improvement]
3. Implement P0 recommendations
4. Re-analyze in 30 days
## Data Sources
- Platform: {name}
- Date Range: {range}
- Limitations: {data quality notes}
```
## Integration
```
Launch MVP
Collect usage data (30+ days)
lean-analyze-usage → plans/reports/usage-analysis-{date}.md
lean [improvement] → Next iteration
plan → Implement improvements
```