What does Claude Code create? .md leads at 34.6%. .ps1 at 11.6% — that's all the PowerShell scripts for WSL2 CDP automation. 5,803 files. 24.4 MB written.

Extension breakdown, size distribution, top filenames, and project ranking from your Write tool calls.

npx cc-write

No install. No dependencies.

• By extension — .md, .js, .ps1, .gd, .py and more
• File size distribution — Tiny / Small / Medium / Large
• Most-created files — top filenames across all sessions
• By project — which projects generated the most writes
• Overview — total writes, total bytes, largest file ever

  cc-write — Files Created
  ════════════════════════════════════════

  ▸ Overview
    Total Write calls:   5,803
    Total bytes written: 24.4 MB
    Most-created file:   staged-hatching-backus.md (192×)
    Top extension:       .md (34.6%)
    Largest file ever:   index.html (88.1 KB)

  ▸ By extension
    .md         ████████████████  34.6%
    .js         █████████░░░░░░░  19.2%
    .ps1        █████░░░░░░░░░░░  11.6%
    .gd         ████░░░░░░░░░░░░   7.6%
    .py         ██░░░░░░░░░░░░░░   5.1%
    ...

  ▸ File size distribution
    Tiny    (<100 B)    ░░░░░░░░░░░░░░   1.8%
    Small  (100B–1K)   █████░░░░░░░░░  22.2%
    Medium   (1K–10K)  ██████████████  65.8%
    Large   (10K+)     ██░░░░░░░░░░░░  10.2%

npx cc-write          # terminal output
npx cc-write --json   # JSON output for scripting

{
  "version": "1.0.0",
  "totalWrites": 5803,
  "totalBytes": 25601234,
  "topFile": { "name": "staged-hatching-backus.md", "count": 192 },
  "topExtension": { "ext": ".md", "count": 2009 },
  "largestFile": { "name": "index.html", "bytes": 90204 },
  "byExtension": [...],
  "byProject": [...],
  "bySizeBucket": [...]
}

Try it without installing: yurukusa.github.io/cc-write

Drag-drop your ~/.claude/projects/ folder (or any subfolder) to analyze.

Reads ~/.claude/projects/**/*.jsonl session transcripts and extracts every Write tool call. Aggregates by file extension, filename, project, and content size. Zero external dependencies.

Part of cc-toolkit — 68 tools for understanding your Claude Code sessions.