Knip
Finds unused files, dependencies, and exports in TypeScript/JavaScript projects.
Usage
bunx knip # Analyze project
bunx knip --production # Production only (no tests, devDeps)
bunx knip --strict # Direct dependencies only
bunx knip --fix # Auto-remove unused (use cautiously)
bunx knip --include files # Only unused files
bunx knip --include exports # Only unused exports
bunx knip --include dependencies # Only unused deps
Output Formats
bunx knip --reporter compact # Compact output
bunx knip --reporter json # JSON for tooling
bunx knip --reporter github-actions # CI annotations
Filtering
bunx knip --workspace packages/client # Specific workspace
bunx knip --exclude "test/**/*" # Exclude patterns
Debugging
bunx knip --debug # Debug output
bunx knip --trace-file src/utils.ts # Trace file
bunx knip --trace-export myFunction # Trace export
Configuration
Configure via .knip.json or knip.config.js for custom entry points and exclusions.
Related Skills
- maintenance: Refactoring and technical debt management
- jscpd: Find duplicate code blocks
- bun: Package management for JS/TS projects