| 1 | --- |
| 2 | name: xlsx |
| 3 | description: Create/edit/analyze/verify spreadsheet workbooks including XLSX/CSV/TSV. |
| 4 | invocation: model+user |
| 5 | --- |
| 6 | |
| 7 | # Xlsx |
| 8 | |
| 9 | ## When to use |
| 10 | Use for spreadsheets, tabular analysis, formulas, and charts in workbooks. |
| 11 | |
| 12 | ## Compatibility |
| 13 | `spreadsheets` is a compatibility alias for this skill. |
| 14 | |
| 15 | ## Workflow |
| 16 | 1. Prefer structured tables with clear headers. |
| 17 | 2. Keep formulas auditable. |
| 18 | 3. Verify by reopening and checking key cells/aggregates. |
| 19 |