---
name: xlsx
description: >
  Spreadsheet creation, editing, and analysis (.xlsx, .xlsm, .csv, .tsv).
  TRIGGER: any request involving spreadsheets, Excel files, CSV data, formulas, or data visualization.
  DO NOT USE: for plain text tables (just use markdown).
tier: lazy
---
# XLSX Editor

> This skill loads full instructions on activation. Read INSTRUCTIONS.md before proceeding.

TRIGGER: any request involving spreadsheets, Excel files, CSV data, formulas, or data visualization
DO NOT USE: for plain text tables (just use markdown)
