# Syn CSV Dedupe

> Skill for deduplicating rows in the context of CSV data. Use when the user's task is specifically about deduplicating rows.

- Skill: `legendtkl/syn-csv-dedupe` (Agent Skill)
- Install (CLI): `npx skillmds@latest add legendtkl/syn-csv-dedupe`
- Raw SKILL.md: https://api.skillmd.com/api/skills/legendtkl/syn-csv-dedupe/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Data & Analytics
- Author: legendtkl (https://skillmd.com/u/legendtkl)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/legendtkl/syn-csv-dedupe

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# CSV data: deduplicating rows

## When to use

Use this skill for deduplicating rows in CSV data. This skill
specifically handles deduplicating rows and nothing else in the
CSV data family.

## Procedure

Detect exact and fuzzy duplicate rows, choose which copy to keep, and report what was removed.

## Notes

This is the CSV data skill dedicated to deduplicating rows.
Sibling skills cover other CSV data capabilities; this one
is the right choice only when the task is about deduplicating rows.