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macos-cleaner

Diagnoses and safely reclaims macOS disk space: caches, logs, app remnants, large/duplicate files, Docker/OrbStack, Chromium code-sign clones, developer caches. Use when a Mac is low on storage, shows “Caching needs more space”, or before deleting anything to avoid data loss. Not for Windows/Linux or permission issues (use macos-permissions).

daymade-macos/macos-cleaner/SKILL.md

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Last checked
Nov 4, 2026

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1,520
Repository last updated
Nov 6, 2026
License
MIT

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# macOS Cleaner

Diagnose the actual source of disk pressure, reclaim only approved space, and prove that the cleanup did not damage user data or co-resident services.

## Entry router

Choose the narrowest path that can answer the request:

| User signal | Route |
|---|---|
| Identical inactive local files must retain every path and offline availability | Read `references/apfs-shared-blocks.md`; use only authorized explicit pairs, native APFS checks and the bundled guarded executor |
| Apple Content Caching, `AssetCacheManagerUtil`, `CacheUsed`, `ActualCacheUsed`, iCloud cache, or “Caching needs more space” | Read `references/apple_content_caching.md` completely before probing or proposing commands |
| Docker, OrbStack, images, containers, or volumes | Read `references/docker_analysis.md`; inspect every object and never use prune-family commands |
| Docker build cache | Measure with `docker builder du`; this skill reports it but does not delete it because Docker exposes category-wide prune controls rather than per-record intent |