This skill empowers Claude to handle complex spreadsheet tasks involving Excel, CSV, and TSV files with a focus on data integrity and professional formatting. It leverages openpyxl and pandas to perform deep analysis, build financial models, and create native Excel charts while strictly adhering to best practices like using formulas for derived values, maintaining stable layouts, and performing visual reviews through PDF rendering. Whether you are generating periodic reports or building investment banking-style financial models, this skill ensures consistent, error-free spreadsheet outputs.
