# Csvtool

> Use this skill when the user wants to manipulate CSV files — extract columns, filter rows, join files, or convert delimiters.

- Skill: `javimosch/csvtool` (Agent Skill)
- Install (CLI): `npx skillmds@latest add javimosch/csvtool`
- Raw SKILL.md: https://api.skillmd.com/api/skills/javimosch/csvtool/raw
- Safety review: PASS (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Data & Analytics
- Author: javimosch (https://skillmd.com/u/javimosch)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/javimosch/csvtool

---


# csvtool Plugin

csvtool manipulates CSV data from the command line.

## Usage Examples

- "extract the second column from a CSV"
- "count the number of rows in a CSV file"
- "convert CSV to tab-separated format"
- "join two CSV files on a common column"

## Installation

```bash
brew install csvtool
```

## Key Features
- Column extraction and reordering
- Row filtering by value or position
- Delimiter conversion (CSV/TSV)
- CSV file joining
- Record counting and statistics
- Lightweight with no dependencies