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From claude-mac-guardian
This skill should be used when the user asks to "check disk usage", "is my drive full", "what's using my disk", "disk space", "free up space", or mentions low storage. Reports free space, largest directories, caches, Time Machine local snapshots, Xcode simulator footprint, and node_modules sizes, then writes a JSON result to ~/.mac-guardian/data/.
npx claudepluginhub dennisonbertram/claude-mac-guardian --plugin claude-mac-guardianHow this skill is triggered — by the user, by Claude, or both
Slash command
/claude-mac-guardian:disk-usageThe summary Claude sees in its skill listing — used to decide when to auto-load this skill
Surveys storage usage on macOS without deleting anything.
Mandates invoking relevant skills via tools before any response in coding sessions. Covers access, priorities, and adaptations for Claude Code, Copilot CLI, Gemini CLI.
Share bugs, ideas, or general feedback.
Surveys storage usage on macOS without deleting anything.
Trigger on phrases like: "check disk usage", "is my drive full", "what's using my disk", "disk space", "free up space".
1. Per-volume free space — df -h. Filter to apfs and hfs volumes. For each volume:
/ free ≥ 20 GB or ≥ 15%: ok./ free 10–20 GB or 5–15%: info./ free 5–10 GB or 2–5%: warn./ free < 5 GB or < 2%: critical.2. Top 20 home directories by size — du -shx ~/* 2>/dev/null | sort -rh | head -20. Record as raw. Individual dirs ≥ 50 GB get an info finding.
3. Library caches — du -shx ~/Library/Caches 2>/dev/null. If ≥ 20 GB, info "Library caches at ".
4. System / user log sizes — du -shx ~/Library/Logs /private/var/log 2>/dev/null. Record in raw.
5. Time Machine local snapshots — tmutil listlocalsnapshots / 2>/dev/null. Report the count. ≥ 10 snapshots: info.
6. Xcode / iOS simulator footprint — du -shx ~/Library/Developer/CoreSimulator/Devices ~/Library/Developer/Xcode/DerivedData ~/Library/Developer/Xcode/iOS\ DeviceSupport 2>/dev/null. Sum ≥ 30 GB: info. Sum ≥ 100 GB: warn.
7. node_modules across common dev roots (optional and guarded) — only run when the user's home has a Develop/ or Projects/ or code/ directory: find ~/Develop ~/Projects ~/code -type d -name node_modules -maxdepth 6 -prune -exec du -shx {} + 2>/dev/null | sort -rh | head -20. Guard this with a soft timeout (use timeout 60s if gtimeout or coreutils timeout is available; otherwise include only if find completes within reason, and skip with an info finding "skipped — search would take too long" if not).
8. Large Downloads / Trash — du -shx ~/Downloads ~/.Trash 2>/dev/null. Each ≥ 10 GB: info.
Standard envelope. Write to ~/.mac-guardian/data/disk-usage-<ISOdate>.json.
Top-level severity = max across all checks. Summary example: "44 GB free on / (warn). Biggest: ~/Library/Caches 38 GB, DerivedData 27 GB."
bash ${CLAUDE_PLUGIN_ROOT}/scripts/render-single.sh disk-usage.daily-health-report, return JSON path only.sudo.