cc-peak

When are you actually most focused with Claude Code?

Find your optimal working window based on real session data.

  cc-peak v1.0.0
  ═══════════════════════════════════════
  When are you most focused? Last 90 days.

  ▸ Your Peak Window
    Fri  ·  9pm–1am
    (highest combined session hours in any 4h block)

  ▸ Hour-of-Day Heatmap  (when sessions start)
   9pm ▓▓▓▓▓▓▓▓     19.0h ←
  10pm ▓▓▓▓▓▓        13.5h
  11pm ▓▓▓▓▓▓▓▓▓▓▓▓  27.7h ← peak
  12am ▓▓▓▓▓▓▓▓▓     21.3h

  ▸ Day-of-Week Breakdown
    Mon  ██████████████████   41.4h
    Fri  ████████████████████ 46.9h ← peak
    ...

  ▸ Insights
    🦉 Night owl — most activity between 10pm–5am
    🗓️  Weekday focused — 74% of work on weekdays
    📈 Regular rhythm — active 53% of days

Usage

npx cc-peak              # Last 90 days
npx cc-peak --days=30   # Last 30 days
npx cc-peak --json      # JSON output

Why this exists

All other cc-toolkit tools answer "how much?" This one answers "when?"

Once you know your peak window, you can:

• Schedule complex tasks during your most focused hours
• Avoid starting deep work sessions outside your window
• Plan your day around when you're actually productive

Part of cc-toolkit

One of 36 free tools for understanding your Claude Code usage.

License

MIT