Skills Janitor
Tinder-style skill cleanup for Claude Code — swipe to delete, save context in seconds.
Skills Janitor is a sharp utility for Claude Code power users who accumulate skills faster than they prune them. The swipe interface makes cleanup oddly satisfying, and the cross-scope duplicate detection is genuinely useful. Skip it if you have fewer than five skills or prefer a GUI — the CLI is fast but unfriendly to non-developers.
- Claude Code power users with many installed skills
- Developers practicing AI agent prompt hygiene
- Teams sharing skill repositories who need deduplication
- Freelancers seeking to minimize context costs
- Users who rely exclusively on GUI-based tools
- Non-developers unfamiliar with command-line interfaces
- Those looking for cloud-hosted skill management
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In short
Skills Janitor — Tinder-style skill cleanup for Claude Code — swipe to delete, save context in seconds. Best for Claude Code power users with many installed skills, Developers practicing AI agent prompt hygiene, Teams sharing skill repositories who need deduplication. Free to use.
Viability Score
How likely is Skills Janitor to still be operational in 12 months? Based on 4 signals — momentum (how recently it shipped), wrapper dependency, revenue model, and web presence.
Last calculated: July 2026
How we score →Key Features
- Interactive TUI skill deletion (janitor-swipe)
- Cross-scope duplicate detection (Jaccard overlap >30%)
- Skill token cost + usage tracking (janitor-value)
- Auto-fix broken symlinks and empty dirs (janitor-fix)
- GitHub skill search and URL precheck (janitor-discover)
- Natural language query support (e.g., 'check my skills')
- Plugin skill flagging (cannot delete individually)
- Sort skills by heaviest and least used
- Undo last swipe action (u key)
- Inspect full skill description during swipe (i key)
- Works with Claude Code and OpenAI Codex
- Zero dependencies: Bash, Python 3, curl
- Offline-capable, no telemetry
- MIT licensed, open source
About Skills Janitor
Skills Janitor is a free, open-source CLI tool for Claude Code and OpenAI Codex users drowning in skill bloat. It turns your installed skill collection into a Tinder-style swipe deck (v1.4+), sorted by heaviest-and-least-used first, so you can delete what's wasting context in seconds. Most users clear 30–40% of their skill token cost per session. Beyond swiping, the tool audits inventory, detects cross-scope duplicates (user/project/codex/plugin), fixes broken symlinks and empty directories, and shows honest token costs for always-loaded descriptions vs. on-demand bodies. It runs locally with zero dependencies—just Bash, Python 3, and curl—and supports natural language queries like "check my skills" or "which skills are wasting context?" Commands include /janitor-report (health check), /janitor-fix (auto-fix), /janitor-value (token+usage tracker), /janitor-discover (GitHub search/URL precheck), and /janitor-swipe (interactive TUI). The tool is MIT licensed and fully offline-capable. It works exclusively with Claude Code and OpenAI Codex—not other AI coding assistants. If you have more than a handful of skills, this is the fastest way to reclaim context window space without manual hunting.
Behind the Verdict
Skills Janitor solves a very specific, very real pain: skill bloat in Claude Code and OpenAI Codex. If you've ever wondered why your context window feels tight despite a modest skill count, this tool will surface duplicates, unused rules, and token weight you didn't know you had. The swipe mechanic is a clever UX choice for a CLI — it turns a chore into a quick triage. Where it bites: you need to be comfortable at the command line, and it only works with Claude Code and Codex. If you use GitHub Copilot or Cursor, this isn't for you. Compared to manual cleanup (ggrep through skill files), Skills Janitor is orders of magnitude faster — especially with cross-scope detection that v1.3+ added. The v1.5 release also removed old v1.2 aliases, so you must use the new commands or check the changelog. Also, plugin skills can only be flagged, not individually deleted — a real limitation if a plugin installs five skills you only want two. Still, for anyone actively maintaining a skill-heavy Claude setup, this is a no-brainer grab.
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Use Cases
- Audit your Claude Code skill collection to find unused or duplicate entries
- Reduce context window usage by deleting heavy, rarely-used skills
- Lint skill definitions for errors before committing them to a team repo
- Track which skills consume the most tokens per invocation
- Fix broken skill paths or references automatically
Models Under the Hood
as of 2026-07-15
Limitations
- Skills Janitor is a community tool for Claude Code and OpenAI Codex; other assistants are unsupported.
- It operates locally with no cloud sync, and uses a command-line interface only.
- External models or APIs beyond those coded assistants are not provided.
12-month cost
Project the real annual outlay, including the implied monthly cost when only an annual tier is published.
Vendor list price only. Add-on usage, seat overages, and contract minimums are surfaced under Hidden costs & gotchas.
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