xlsx

Create, edit, and analyze Excel-compatible spreadsheets with formulas and formatting.

35|13|Updated Dec 12, 2025
One-click install
npx skills add https://github.com/wildwasser/opencode-agents --skill xlsx-wildwasser
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: xlsx
Source: https://github.com/wildwasser/opencode-agents/tree/main/.opencode/skills/xlsx
Command: npx skills add https://github.com/wildwasser/opencode-agents --skill xlsx-wildwasser

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

The Xlsx skill helps create, edit, and analyze spreadsheets with complex formulas, preserving templates and enabling automated recalculation to save time and reduce errors.

Core Features & Use Cases

  • Create new spreadsheets with formulas and formatting that align with existing templates.
  • Read and analyze data across multiple sheets, maintain formulas during updates, and generate cleaned outputs for reporting.
  • Use Case: When preparing a financial model in Excel, generate a workbook that calculates key metrics while preserving existing formatting and cells.

Quick Start

Create or modify an Excel workbook by applying formulas and formatting while preserving existing templates and ensure automatic recalculation.

Frequently Asked Questions about xlsx

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

FAQPage Schema
How do I automate Excel spreadsheet creation while preserving existing formatting and formulas?

You can automate Excel spreadsheet creation by generating workbooks that apply formulas and formatting while preserving existing templates. This ensures automatic recalculation of metrics and maintains formatting across .xlsx and .xlsm files.

Can I read and analyze data across multiple Excel sheets without breaking formulas?

Yes, you can read and analyze data across multiple sheets while maintaining formulas during updates. This allows you to generate cleaned outputs for reporting and recalculate key metrics without losing existing formula logic.

Does this approach work with .csv and .tsv files or only .xlsx formats?

This approach works with .xlsx, .xlsm, .csv, and .tsv files. You can apply formulas, preserve templates, standardize number formats, and document hard-coded values with inline source notes across all these supported formats.

What is the best way to document hard-coded values in a financial model?

The best way to document hard-coded values in a financial model is by adding inline source notes. This standardizes number formats and maintains formula integrity while keeping an audit trail of static inputs within the spreadsheet.

How do I create a financial model in Excel with automatic recalculation?

To create a financial model with automatic recalculation, generate a workbook that calculates key metrics while preserving existing formatting and cells. This reduces errors and saves time by automating formula updates across sheets.