fallow

name	fallow
description	Use this skill when the user wants to analyze a TypeScript/JavaScript codebase for dead code, duplication, complexity hotspots, or run quality gates for PRs.

Fallow Plugin

Codebase analyzer for TypeScript and JavaScript. Finds unused code, circular dependencies, code duplication, and complexity hotspots. Rust-native, sub-second.

Commands

All Analyses

• fallow — Run dead-code, dupes, and health analyses

Dead Code

• fallow deadcode scan — Find unused files, exports, dependencies, types

Duplication

• fallow dupes scan — Find copy-pasted code blocks

Complexity

• fallow health analyze — Analyze complexity hotspots

Audit (PR Quality Gate)

• fallow audit check — Quality gate for AI-generated code and PRs

Auto-fix

• fallow fix apply — Auto-remove dead exports and deps

Score (Quick Health)

• fallow score run — Get health score, hotspots, and refactoring targets in one call

CI Gate

• fallow ci gate — CI quality gate with non-zero exit on new issues, SARIF output

Usage Examples

Run all analyses:

fallow

Dead code detection:

fallow dead-code
fallow dead-code --unused-exports
fallow dead-code --circular-deps
fallow dead-code --boundary-violations
fallow dead-code --changed-since main

Duplication scan:

fallow dupes
fallow dupes --mode semantic
fallow dupes --trace src/utils.ts:42