{"slug": "show-hn-clean-an-agent-skill-that-clears-dev-junk-freed-5-3-gb-on-first-run", "title": "Show HN: Clean, an agent skill that clears dev junk (freed 5.3 GB on first run)", "summary": "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.", "body_md": "Freed\n\n5.3 GBon the first run.\n\nA 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 — no per-agent setup.\n\n| Mode | What it does |\n|---|---|\n`quick` |\nCleans silently, reports what was freed — no questions asked |\n`super` |\nScans everything, ranks space hogs by size, you approve before anything is deleted |\n\n`node_modules`\n\n· `.next`\n\nbuilds · browser caches (Chrome, Edge, Firefox) · npm / pnpm / yarn · Python `__pycache__`\n\n· pip · VS Code cache · OS temp · Claude temp\n\n**Works on:** Windows · macOS · Linux\n\n```\n/clean          → asks: quick or super?\n/clean quick    → runs immediately, no questions\n/clean super    → full scan, you decide what goes\n/clean results\n──────────────────────────────────────────\nClaude temp:      120 MB\nOS temp:          95 MB\nBrowser caches:   240 MB  (Chrome 233 | Edge 0 | Firefox 7)\nnode_modules:     1.2 GB  (8 folders)\nnpm/pnpm/yarn:    340 MB  (npm 180 | pnpm 110 | yarn 50)\n.next builds:     5.2 GB  (20 folders)\nPython cache:     79 MB   (75 folders)\nVS Code cache:    21 MB\n──────────────────────────────────────────\nTotal freed:      7.3 GB\nDisk free now:    48 GB\nnpx skills add andalabx/skills --skill clean\n```\n\nOr copy manually into your agent's skills directory:\n\n| Agent | Path |\n|---|---|\n| Claude Code | `~/.claude/skills/` |\n| Cursor | `~/.cursor/skills/` |\n| OpenAI Codex | `~/.codex/skills/` |\n| OpenClaw | `~/.openclaw/skills/` |\n| Hermes | `~/.hermes/skills/` |\n| Mercury | `~/.mercury/skills/dev/clean/` |\n| GitHub Copilot | `.github/skills/` (project root) |\n\nAfter installing, start a new session and run `/clean`\n\n.", "url": "https://wpnews.pro/news/show-hn-clean-an-agent-skill-that-clears-dev-junk-freed-5-3-gb-on-first-run", "canonical_source": "https://github.com/andalabx/skills/tree/main/clean", "published_at": "2026-08-20 14:28:40+00:00", "updated_at": "2026-08-20 14:46:00.058600+00:00", "lang": "en", "topics": ["developer-tools", "ai-agents"], "entities": ["Clean", "andalabx/skills", "Claude Code", "Cursor", "OpenAI Codex", "OpenClaw", "Hermes", "Mercury"], "alternates": {"html": "https://wpnews.pro/news/show-hn-clean-an-agent-skill-that-clears-dev-junk-freed-5-3-gb-on-first-run", "markdown": "https://wpnews.pro/news/show-hn-clean-an-agent-skill-that-clears-dev-junk-freed-5-3-gb-on-first-run.md", "text": "https://wpnews.pro/news/show-hn-clean-an-agent-skill-that-clears-dev-junk-freed-5-3-gb-on-first-run.txt", "jsonld": "https://wpnews.pro/news/show-hn-clean-an-agent-skill-that-clears-dev-junk-freed-5-3-gb-on-first-run.jsonld"}}