About
This skill empowers Claude to handle complex spreadsheet tasks, ranging from simple CSV processing to building sophisticated financial models. It ensures data integrity by prioritizing Excel formulas over hardcoded values and includes a dedicated verification process using LibreOffice to recalculate and validate every cell. Whether you are generating reports from data frames using pandas or applying professional formatting with openpyxl, this skill maintains industry-standard conventions for color coding, number formatting, and structural documentation, making it indispensable for data-driven workflows.