Agent Skills: complex-excel-builder

Comprehensive toolkit for creating multi-tab Excel workbooks for startups and scale-ups. Use this skill when building financial models, operational dashboards, board reports, or analytics workbooks that require data organization, complex calculations, pivot tables, visualizations, and documentation across multiple interconnected sheets. Specialized for startup metrics (ARR, MRR, CAC, LTV), board-level reporting, and data-driven decision making.