About
This skill empowers Claude to handle complex spreadsheet tasks ranging from simple CSV parsing to building production-grade financial models. It ensures data integrity through automated formula recalculation using LibreOffice and enforces industry-standard formatting, such as specific color-coding for inputs and calculations. Whether you are performing data analysis with pandas or precisely styling workbooks with openpyxl, this skill provides a robust framework for managing .xlsx files while preserving existing templates and ensuring zero formula errors.