philoserf/skill-cleaner
skills/skill-cleaner/SKILL.md
Audits ~/.claude/skills/ for unused entries, duplicate names, missing descriptions, and the longest descriptions. Use when trimming the user-level skill set, asking which skills are unused, finding duplicates, or auditing skill hygiene.
$ install --global
skillsauthnpx skillsauth add philoserf/claude-code-setup skill-cleanerInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
Security Scan Results
3 of 9 scanners reported clean
Some scanners were skipped, did not run, or reported a non-clean status. Review each row below.
3
Scanners Passed
9
Scanners in report
Clean
TrivyContainer and dependency vulnerability scanner
95%
Clean
SemgrepStatic code analysis for vulnerabilities
95%
Clean
mcp-scan (Snyk)Model Context Protocol security validation
95%
Skipped
Snyk (dep)Open source security scanning
50%
Skipped
Socket.devSupply chain security analysis
50%
Skipped
VirusTotalMulti-engine malware detection
50%
Skipped
CrowdStrikeAdvanced threat intelligence
50%
Skipped
OSV-ScannerOpen Source Vulnerability database check
50%
Skipped
OWASP Dep-Check
50%
Last scanned: Jun 3, 2026, 2:27 AM183.2s2 files scanned
SKILL.md
- name:
- skill-cleaner
- description:
- Audits ~/.claude/skills/ for unused entries, duplicate names, missing descriptions, and the longest descriptions. Use when trimming the user-level skill set, asking which skills are unused, finding duplicates, or auditing skill hygiene.
Skill Cleaner
Audits user-level Claude Code skills under ~/.claude/skills/. Suggest only — never delete or edit a skill without explicit confirmation.
Run
bash ~/.claude/skills/skill-cleaner/cleaner.sh
Flags:
--days N— transcript lookback window (default 60)--root DIR— override skills root--transcripts DIR— override transcripts root
Output
Markdown report to stdout with four sections:
- Unused — skills with no reference in
~/.claude/projects/*/[*.jsonl]from the last N days. Heuristic: greps for/<name>,skills/<name>/SKILL.md, and"skill":"<name>". New skills may appear here simply because no history exists yet. - Longest descriptions — top 5 by character count. Long descriptions cost prompt budget every turn; trim only if trigger keywords are redundant.
- Duplicates — same
name:field across two skill directories. - Missing description — skills with no
description:in frontmatter.
Acting on results
- Treat "unused" as a candidate list, not a kill list. Confirm with the user before deleting any skill directory.
- Prefer tightening a long description over deleting the skill.
- For duplicates, identify which copy is canonical (usually the one in
~/.claude/skills/over any project-local override) before removing.
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