xlsx

Create and edit Excel workbooks with formulas and formatting via Python.

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

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

This Skill automates Excel workbook creation, editing, and analysis, enabling deterministic formula handling, template preservation, and standardized formatting to save time and reduce errors.

Core Features & Use Cases

  • Formulas & formatting automation: Build and modify workbooks with formulas using Python tools like openpyxl and pandas.
  • Template preservation: Modify templates while preserving existing conventions and styles.
  • Formula validation & recalculation: Run a dedicated recalculation utility and detect common Excel errors.
  • Financial model standards: Apply color coding and number formats to support consistent financial modeling.

Quick Start

Create a new workbook with a SUM formula and apply blue inputs, then recalculate to verify zero errors.

Frequently Asked Questions about xlsx

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

FAQPage Schema
How do I automate Excel workbook creation with formulas using Python?

Automate Excel workbook creation by using openpyxl and pandas to build formulas, apply formatting, and recalculate via the recalc.py utility to ensure zero formula errors and consistent financial modeling standards.

Can I modify Excel templates while preserving existing formulas and formatting?

Yes, you can modify templates while preserving conventions and styles. The Skill handles template preservation by maintaining existing formulas and applying standardized color coding and number formats throughout edits.

How do I validate and recalculate formulas in Excel files after editing?

Run the dedicated recalculation utility with LibreOffice to detect common Excel errors and verify formula accuracy. This ensures reliable recalculation and catches zero-formula-error requirements before deployment.

What's the best way to read and analyze data across multiple Excel sheets?

Use pandas and openpyxl to read and analyze data across all sheets in a workbook. Both libraries enable efficient data extraction, manipulation, and analysis while maintaining formula integrity during processing.

Does this approach work for financial modeling with color and format standards?

Yes, the Skill applies financial model standards including color coding for inputs and consistent number formats. It enforces Excel formatting conventions and mandates formula-based calculations orchestrated by Python.

Can I automate data analysis and visualization with formula recalculation?

Yes, perform data analysis and visualization while automating formula recalculation through recalc.py and LibreOffice. This enables deterministic calculations and standardized outputs for reporting workflows.