Which files does Claude Code edit most? 17,995 edits across 905 files. dungeon_game.py: 1,957 edits. 2.00x growth ratio — new code is twice as long as what it replaces.

Edit tool analysis — Hall of Fame files, extension breakdown, growth ratio.

npx cc-edit

No install. No dependencies.

• Total Edit calls — across all sessions
• Hall of Fame — files with 500+ edits (the heart of your project)
• Most edited files — top 10 with bar chart
• By file type — extension breakdown
• By project — which projects get the most attention
• Growth ratio — avg new_string / avg old_string (>1 = code grows)

  cc-edit — Edit Tool Analysis
  ════════════════════════════════════════

  ▸ Overview
    Total Edit calls:   17,995
    Unique files:       905
    replace_all used:   302 (1.7%)
    Avg old_string:     357 chars
    Avg new_string:     715 chars
    Growth ratio:       2.00x (expansions > deletions)

  ▸ Hall of Fame (500+ edits)
    dungeon_game.py             1,957 edits
    dungeon.gd                  1,666 edits
    index.html                  1,441 edits
    staged-hatching-backus.md     870 edits
    game.gd                       525 edits

  ▸ By file type
    .gd          ████████████████  34.0%  (6,110)
    .py          ██████████░░░░░░  21.0%  (3,778)
    .md          ██████████░░░░░░  20.4%  (3,672)
    .html        ████░░░░░░░░░░░░   9.0%  (1,615)

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

{
  "version": "1.0.0",
  "totalEdits": 17995,
  "uniqueFiles": 905,
  "replaceAllCount": 302,
  "replaceAllRate": 1.7,
  "avgOldStringLen": 357,
  "avgNewStringLen": 715,
  "growthRatio": 2.00,
  "hallOfFame": [
    { "file": "dungeon_game.py", "edits": 1957 },
    { "file": "dungeon.gd", "edits": 1666 }
  ]
}

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

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

Reads ~/.claude/projects/**/*.jsonl session transcripts and extracts every Edit tool call. Tracks file_path, old_string length, new_string length, and replace_all flag. Aggregates by file, extension, and project. Zero external dependencies.

Part of cc-toolkit — 70 tools for understanding your Claude Code sessions.