mcp-server-excel

{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.

Pattern for keeping published plugin templates stable while layering source-owned helper files and skill content.

Pattern for safely removing an obsolete package/distribution surface without breaking the surviving release path.

Resolve release tags reliably in follow-on GitHub workflows when the source repo uses annotated tags.

Fail fast when a release workflow depends on credentials or access to a second repository.

Describe plugin release mechanics without overclaiming client-specific installation behavior.

Preserve service request context across MCP and CLI error envelopes.

Core conventions and patterns for ExcelMcp

How to harden pre-commit against release-only failures, especially packaging mismatches