{what this skill teaches agents}
Excel CLI automation skill for Windows workbooks. Use when a coding agent needs token-efficient, scriptable, or unattended Excel automation via excelcli commands. Best for CI/CD, scheduled jobs, batch processing, PowerShell workflows, and bulk workbook edits. Supports Power Query, DAX, PivotTables, Tables, Ranges, Charts, VBA, Data Models, screenshots, and formatting. Triggers: excelcli, Excel CLI, command line, batch, script, automation, CI/CD, scheduled, PowerShell, unattended, coding agent, workbook processing.
Excel MCP Server skill for Windows workbook automation. Use when an assistant needs rich MCP tools to create, inspect, modify, format, or analyze Excel files. Supports Power Query (M), Data Model/DAX, PivotTables, Tables, Ranges, Charts, Slicers, formatting, screenshots, VBA macros, connections, and calculation mode. Triggers: Excel, spreadsheet, workbook, xlsx, xlsm, Power Query, DAX, PivotTable, chart, dashboard, VBA, MCP.
{what this skill teaches agents}
Catch packaging-script regressions by asserting the real script exit path and current overlay surface.
Use a validated tooling downgrade when Dependabot flags an unpatchable transitive vulnerability in build-only dependencies.
Keep generated MCP schemas strict-client compatible by avoiding nullable enum signatures.
Upgrade checked-in GitHub Actions references off deprecated Node 20 runtimes with the smallest safe major bumps.