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.
Install
npx skills add Exploration-labs/Nates-Substack-Skills --skill complex-excel-buildernpx skills add Exploration-labs/Nates-Substack-Skills --skill complex-excel-builder -a claude-code -gnpx skills add Exploration-labs/Nates-Substack-Skills --skill complex-excel-builder -a codex -ggemini skills install https://github.com/Exploration-labs/Nates-Substack-Skills.git --path complex-excel-buildergh skill install Exploration-labs/Nates-Substack-Skills complex-excel-buildergit clone --depth 1 https://github.com/Exploration-labs/Nates-Substack-Skills /tmp/Exploration-labs__Nates-Substack-Skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/Exploration-labs__Nates-Substack-Skills/complex-excel-builder ~/.claude/skills/complex-excel-builder # Claude Code
cp -R /tmp/Exploration-labs__Nates-Substack-Skills/complex-excel-builder ~/.agents/skills/complex-excel-builder # Codex, Cursor, Gemini CLI, Copilot, OpenCode