About
This skill empowers Claude to handle complex spreadsheet tasks, ranging from high-speed data manipulation with pandas to building sophisticated, production-grade financial models using openpyxl. It ensures total formula integrity through automated recalculations via LibreOffice integration, strictly adheres to professional formatting conventions (such as standard color-coding for hardcodes vs. formulas), and provides robust error checking to eliminate common Excel pitfalls like #REF! or #DIV/0! errors.