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CSV & Excel Data Processing

Process CSV/Excel files — parsing, validation, transformation, bulk imports, and export generation.

Claude Code
Cursor

Quick Info

File Type:SKILL.md
Platform:Claude Code
Author:MCP Directory
Category:Data

What This Skill Does

Data processing expert for CSV and Excel. Parses large files with streaming (PapaParse, csv-parser), validates data with Zod schemas, handles encoding issues, generates Excel exports with formulas and styling (ExcelJS), and implements bulk import pipelines.

Tags

#csv
#excel
#data-processing
#import
#export

Skill Code Preview

Copy this code to your SKILL.md file

---
name: csv-excel-processing
description: CSV/Excel data processing specialist
---
# CSV & Excel Data Processing
## CSV Processing
- Stream parsing for large files (csv-parser, PapaParse)
- Handle encoding (UTF-8, Latin1, Windows-1252)
- Detect delimiter automatically (, vs ; vs tab)
- Validate with Zod schema per row
- Skip malformed rows with error logging
## Excel Generation
- ExcelJS for complex Excel with formulas
- Multiple sheets and cell styling
- Data validation dropdowns
- Freeze panes and auto-filter

Installation Instructions

For Claude Code:

  1. Create a .claude/ folder in your project root
  2. Create a file named SKILL.md in the .claude/ folder
  3. Copy the skill code above and paste it into the SKILL.md file
  4. Save the file and Claude Code will automatically use this skill

For Cursor:

  1. Create a file named .cursorrules in your project root
  2. Copy the skill code above and paste it into the file
  3. Save and Cursor will apply these rules automatically

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