cyberneticlibrary
← library

Track skill usage and identify dead code

claude-skill-trackerskillsetup L1★0
kevinwang04/claude-skill-tracker ↗
What it does

Track Claude Code skill usage and identify stale skills

Best for

Quarterly skill inventory and cleanup when you have 20+ skills and can't remember which ones are actually used.

Inputs
  • · [object Object]
  • · [object Object]
Outputs
  • · [object Object]
  • · [object Object]
Requires
  • · Claude Code PostToolUse hook
  • · ~/.claude/settings.json (hook registration)
  • · Node.js built-in modules only (zero npm dependencies)
Preconditions
  • · claude-skill-tracker installed globally or project-local
  • · init run to register PostToolUse hook in settings.json
  • · Ollama/Claude Code running normally (hook fires on every Skill call)
Failure modes
  • · Hook not triggered if Claude Code version incompatible
  • · JSONL log grows unbounded (no rotation built in)
  • · Stale skill threshold (14 days) may not match user's retention policy
  • · No data if no skills invoked since init
Trust signals
  • · Zero npm dependencies (100% Node.js stdlib)
  • · JSONL local-only storage (no cloud/telemetry)
  • · ANSI color + Unicode tables for terminal UX
  • · Status icons: ● active, ◐ stale, ○ zombie, · unused