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Show HN: Clean, an agent skill that clears dev junk (freed 5.3 GB on first run)

A new agent skill called Clean, available via `npx skills add andalabx/skills --skill clean`, freed 5.3 GB on its first run and up to 7.3 GB in a super scan, clearing dev junk such as node_modules, .next builds, browser caches, and Python caches across Windows, macOS, and Linux. It works with Claude Code, Cursor, OpenAI Codex, OpenClaw, Hermes, Mercury, and GitHub Copilot without per-agent setup, offering quick and super modes.

read1 min views2 publishedAug 20, 2026
Show HN: Clean, an agent skill that clears dev junk (freed 5.3 GB on first run)
Image: Michielbdejong (auto-discovered)

Freed

5.3 GBon the first run.

A universal agent skill that clears dev junk across your entire environment. Works in Claude Code, Cursor, OpenAI Codex, OpenClaw, Hermes, Mercury, GitHub Copilot, and more β€” no per-agent setup.

Mode What it does
quick
Cleans silently, reports what was freed β€” no questions asked
super
Scans everything, ranks space hogs by size, you approve before anything is deleted

node_modules

Β· .next

builds Β· browser caches (Chrome, Edge, Firefox) Β· npm / pnpm / yarn Β· Python __pycache__

Β· pip Β· VS Code cache Β· OS temp Β· Claude temp

Works on: Windows Β· macOS Β· Linux

/clean          β†’ asks: quick or super?
/clean quick    β†’ runs immediately, no questions
/clean super    β†’ full scan, you decide what goes
/clean results
──────────────────────────────────────────
Claude temp:      120 MB
OS temp:          95 MB
Browser caches:   240 MB  (Chrome 233 | Edge 0 | Firefox 7)
node_modules:     1.2 GB  (8 folders)
npm/pnpm/yarn:    340 MB  (npm 180 | pnpm 110 | yarn 50)
.next builds:     5.2 GB  (20 folders)
Python cache:     79 MB   (75 folders)
VS Code cache:    21 MB
──────────────────────────────────────────
Total freed:      7.3 GB
Disk free now:    48 GB
npx skills add andalabx/skills --skill clean

Or copy manually into your agent's skills directory:

Agent Path
Claude Code ~/.claude/skills/
Cursor ~/.cursor/skills/
OpenAI Codex ~/.codex/skills/
OpenClaw ~/.openclaw/skills/
Hermes ~/.hermes/skills/
Mercury ~/.mercury/skills/dev/clean/
GitHub Copilot .github/skills/ (project root)

After installing, start a new session and run /clean

.

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