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dependency-analysis

Tools and methodologies for analyzing codebase dependency graphs and quantitatively measuring coupling/cohesion. Use this skill for 'dependency analysis', 'coupling measurement', 'circular dependencies', 'module coupling', 'cohesion analysis', 'dependency graph', 'coupling analysis', and other code dependency-related analysis. Enhances the dependency analysis capabilities of legacy-analyzer and refactoring-strategist. Note: full pipeline orchestration is outside the scope of this skill.

en/22-legacy-modernizer/.claude/skills/dependency-analysis/skill.md

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Last checked: Nov 9, 2026

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Repository stars (not skill ratings): 1,324
Repository last updated: Mar 22, 2026
License: Apache-2.0

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skill.mdcore · 4,972 bytes
skill.mdcore · 4,972 bytes
skill.mdcore · 4,972 bytes
skill.mdcore · 4,972 bytes
skill.mdcore · 4,972 bytes

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# Dependency Analysis — Dependency Graph Analysis Tool

Methodologies and tool guide for quantitative measurement and visualization of code dependencies.

## Dependency Metric System

### 1. Coupling Metrics

| Metric | Formula | Interpretation | Risk Threshold |
|--------|---------|----------------|---------------|
| **Ca (Afferent Coupling)** | Number of packages depending on me | High = large change ripple effect | > 20 |
| **Ce (Efferent Coupling)** | Number of packages I depend on | High = unstable | > 20 |
| **I (Instability)** | Ce / (Ca + Ce) | 0=stable, 1=unstable | Warning in middle zone (0.3-0.7) |
| **D (Distance)** | \|A + I - 1\| | Distance from the main sequence | > 0.3 |