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CSV Skills for Claude Code

4 Claude Code skills that profile, diff, fix, and split CSV files on your computer.

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CSV Skills for Claude Code — 4 Claude Code skills that profile, diff, fix, and split CSV files on your computer.

Claude runs a small, tested script and reads the short result, instead of loading a big CSV into the chat line by line. Your data stays on your computer.

What it does

  • csv-profile: a quick look at every column, blanks, duplicates, and broken rows.
  • csv-diff: compares two CSV files by a key column and shows what changed.
  • fix-chars and split-csv: fix garbled characters, or split a big file while keeping the header.

Before and after

A broken CSV Claude is asked to fix

name,city,note
José Núñez,São Paulo,"It’s done — thanks!"
Zoë Brontë,Zürich,Price: €25

After the fix-chars skill runs

name,city,note
José Núñez,São Paulo,"It’s done — thanks!"
Zoë Brontë,Zürich,Price: €25

The fix-chars skill ships the csv-char-fix sample.

Get it

For your computer · Gumroad · $3

Made for Claude Code. Scripts also run on their own with Python 3.8+. CSV and text only, not .xlsx.

Buy on Gumroad

FAQ

What does this tool do?

4 Claude Code skills that profile, diff, fix, and split CSV files on your computer. Claude runs a small, tested script and reads the short result, instead of loading a big CSV into the chat line by line. Your data stays on your computer.

What does it cost?

For your computer on Gumroad costs $3. Made for Claude Code. Scripts also run on their own with Python 3.8+. CSV and text only, not .xlsx.

Will you see my files?

The download tools run on your computer, so those files stay with you. The Apify tools run in your own Apify account. This website does not take uploads.