xlsx

Create and edit .xlsx spreadsheets with formulas and formatting.

Updated Aug 23, 2026
One-click install
npx skills add https://github.com/opensesh/BOS-2.0 --skill xlsx-opensesh
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: xlsx
Source: https://github.com/opensesh/BOS-2.0/tree/main/.claude/skills/public/xlsx
Command: npx skills add https://github.com/opensesh/BOS-2.0 --skill xlsx-opensesh

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires pandas, openpyxl, and includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill empowers users to create, edit, and analyze spreadsheet data with advanced features, ensuring accuracy and efficiency in financial modeling and data management.

Core Features & Use Cases

  • Comprehensive Spreadsheet Management: Create new .xlsx files with formulas and formatting, modify existing ones while preserving structure, and perform in-depth data analysis.
  • Formula Accuracy & Error Prevention: Ensures all formulas are error-free and adheres to industry-standard color-coding and number formatting for financial models.
  • Use Case: Automatically generate a complex financial projection model, ensuring all formulas are correct and assumptions are clearly marked, or analyze sales data from a CSV file to identify trends.

Quick Start

Use the xlsx skill to create a new spreadsheet named 'sales_report.xlsx' with columns for 'Date', 'Product', and 'Revenue', and add a formula in the 'Revenue' column to sum the values.

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?

To create an Excel spreadsheet with formulas and formatting, this Skill utilizes openpyxl to build new .xlsx files, populate them with financial formulas, and apply industry-standard color-coding and number formatting for accurate financial modeling.

Can I modify an existing xlsx file without breaking formulas?

Yes, you can modify an existing .xlsx file without breaking formulas, as this Skill preserves the original structure and calculations while allowing you to update data, apply new formatting, and perform data analysis using pandas.

Does this approach support data analysis and visualization for CSV files?

Yes, this approach supports data analysis and visualization for CSV files, as it relies on pandas to read, analyze, and identify trends in .csv, .tsv, and .xlsx formats, enabling comprehensive spreadsheet data management.

What's the best way to recalculate formulas in an edited spreadsheet?

The best way to recalculate formulas in an edited spreadsheet is by using the recalc.py script, which requires LibreOffice to execute formula recalculation and ensure all calculations remain accurate after modifications.

Do I need LibreOffice to use this spreadsheet modeling tool?

Yes, you need LibreOffice installed if you want to recalculate formulas, as the recalc.py script relies on it to execute formula recalculation and verify calculation accuracy in your spreadsheet files.

How do I analyze sales data from a CSV file to identify trends?

To analyze sales data from a CSV file and identify trends, this Skill uses pandas for data manipulation to read the .csv file, process the spreadsheet data, and perform in-depth data analysis.