xlsx

Create, edit, and analyze spreadsheets across .xlsx, .xlsm, .csv, and .tsv formats.

2|Updated Apr 12, 2026
One-click install
npx skills add https://github.com/Clay-HHK/claude-config --skill xlsx-clay-hhk
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: xlsx
Source: https://github.com/Clay-HHK/claude-config/tree/main/skills/xlsx
Command: npx skills add https://github.com/Clay-HHK/claude-config --skill xlsx-clay-hhk

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill streamlines the creation, editing, and analysis of spreadsheets across common formats, preserving formulas and formatting while enabling quick data insights.

Core Features & Use Cases

  • Create new spreadsheets with formulas and formatting to automate routine financial, data-tracking, and reporting tasks.
  • Read, analyze, and summarize data from existing spreadsheets, CSV, and TSV files.
  • Modify existing spreadsheets while preserving formulas and structure, including recalculation of dependent cells.

Quick Start

Create a new spreadsheet with formulas and formatting for a quarterly budget and include a basic data analysis chart.

Frequently Asked Questions about xlsx

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I create an Excel spreadsheet with formulas and formatting?

You can create a new Excel spreadsheet with formulas and formatting by automating the generation of .xlsx files complete with calculated cells and visual styling. This streamlines routine financial, data-tracking, and reporting tasks.

Can I modify an existing spreadsheet while preserving formulas?

Yes, you can modify an existing spreadsheet while preserving its underlying formulas and structure. The process ensures that dependent cells are recalculated accurately and existing templates remain intact during data updates.

How do I analyze data from CSV and TSV files?

You can analyze data from CSV and TSV files by reading, summarizing, and visualizing the imported datasets. This allows you to extract quick data insights and perform comprehensive analysis across these common tabular formats.

Does this approach support multiple sheets in an Excel workbook?

Yes, this approach ensures robust handling of multiple sheets within an Excel workbook. It preserves the structure of existing templates and clearly documents hardcoded values and data sources across all sheets during modifications.

What is the best way to automate routine financial reporting in Excel?

The best way to automate routine financial reporting in Excel is by generating new spreadsheets with embedded formulas and formatting. This allows dynamic recalculation of dependent cells and seamless data visualization for reporting.