Excel

xlsx is a Claude spreadsheet skill for creating, editing, analyzing, formatting, and recalculating .xlsx, .xlsm, .csv, and .tsv files. It emphasizes zero formula errors, preserving existing workbook templates, financial-model formatting conventions, and LibreOffice-based recalculation with recalc.py.

Excel Automation helps agents create OneDrive Excel workbooks, update Google Sheets, manage worksheets, write 2D cell data, format ranges, and append or upsert rows through Rube MCP.

The user-personas skill creates 3 refined personas from research data with JTBD, pains, gains, and unexpected insights. Use it for user-personas for UX Research, segmentation, onboarding strategy, and product decisions when you have surveys, interviews, or other source material.

read-file helps an agent read and inspect CSV, JSON, Parquet, Avro, Excel, SQLite, spatial files, or remote URLs with DuckDB. Use it to preview rows, check schema, profile data, and answer what’s in this file. It’s best for read-file usage on real data artifacts, not source code.

The minimax-xlsx skill helps create, read, edit, validate, and format Excel workbooks with an Excel-first workflow. Use minimax-xlsx for Spreadsheet Workflows when you need structured files that preserve formulas, styles, sheet layout, and workbook behavior. It supports .xlsx, .xlsm, .csv, and .tsv tasks, including analysis, new workbook creation, minimal-invasive edits, formula repair, and validation. The minimax-xlsx guide is designed for real workbook handoff, not flat tables.