概要
This skill empowers Claude to perform sophisticated spreadsheet tasks, ranging from simple CSV processing to building complex investment-grade financial models. It leverages pandas for high-performance data manipulation and openpyxl for granular cell formatting, ensuring that all workbooks remain dynamic by prioritizing live Excel formulas over hardcoded values. The skill includes a dedicated verification layer that uses LibreOffice to recalculate formulas and eliminate common errors like #REF! or #DIV/0!, making it an essential tool for analysts and developers who need reliable, production-ready spreadsheet automation.