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Install ready-made skills for Claude, ChatGPT, Gemini, n8n & more.
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From fundamentals to advanced across four hands-on tracks — no fluff.
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Ready-to-install skills for Claude, ChatGPT, Gemini, n8n, Midjourney and more.
1 skill
Create, edit, and fix Excel spreadsheets — .xlsx, .xlsm, .csv, .tsv — with live formulas, formatting, and charts, zero formula errors.