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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.
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| 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. |
Codebase analyzer for TypeScript and JavaScript. Finds unused code, circular dependencies, code duplication, and complexity hotspots. Rust-native, sub-second.
fallow — Run dead-code, dupes, and health analysesfallow deadcode scan — Find unused files, exports, dependencies, typesfallow dupes scan — Find copy-pasted code blocksfallow health analyze — Analyze complexity hotspotsfallow audit check — Quality gate for AI-generated code and PRsfallow fix apply — Auto-remove dead exports and depsfallow score run — Get health score, hotspots, and refactoring targets in one callfallow ci gate — CI quality gate with non-zero exit on new issues, SARIF outputRun 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
Health/check complexity:
fallow health --score
fallow health --top 20
fallow health --hotspots
Audit PR:
fallow audit
fallow audit --base main
fallow audit --format json
Auto-fix preview:
fallow fix --dry-run
Quick health score:
fallow score run
fallow score run --format badge
CI quality gate:
fallow ci gate
fallow ci gate --base main --format sarif
fallow ci gate --min-score 70
cargo install fallow-cli
Or via npm:
npm install -g fallow
npx fallow