mcp-server-excel

Name: mcp-server-excel
Author: sbroenne

Verified

Automate real Microsoft Excel with AI via MCP Server or CLI — Power Query, DAX, VBA, PivotTables, charts, and 326 operations.

815stars

98forks

Installation

# Add to your Claude Code skills
git clone https://github.com/sbroenne/mcp-server-excel

Getting Started

Guides for using mcp servers skills like mcp-server-excel.

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First-time install walkthrough for Claude Code, Codex CLI, and ChatGPT.

Security ReportVerified

Last scanned: 5/30/2026

{
  "issues": [],
  "status": "PASSED",
  "scannedAt": "2026-05-30T15:53:18.574Z",
  "npmAuditRan": true,
  "pipAuditRan": true
}

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README.md

Frequently Asked Questions

What is mcp-server-excel?

mcp-server-excel is an open-source mcp servers skill for AI coding assistants such as Claude Code, Codex CLI, and ChatGPT, built by sbroenne. Automate real Microsoft Excel with AI via MCP Server or CLI — Power Query, DAX, VBA, PivotTables, charts, and 326 operations. It has 815 GitHub stars.

Is mcp-server-excel safe to use?

Yes. mcp-server-excel passed SkillsLLM's automated security scan — a dependency vulnerability audit plus prompt-injection heuristics — with no high-severity issues. You can read the full report in the Security Report section on this page.

How do I install mcp-server-excel?

Clone the repository with "git clone https://github.com/sbroenne/mcp-server-excel" and add it to your Claude Code skills directory (see the Installation section above).

What programming language is mcp-server-excel written in?

mcp-server-excel is primarily written in C#. It is open-source under sbroenne on GitHub, so you can review or fork the full source.

Are there alternatives to mcp-server-excel?

Yes. SkillsLLM lists many other MCP Servers skills you can browse and compare side by side. Open the MCP Servers category from the badge at the top of this page, or use the Related Skills and comparison links further down to weigh mcp-server-excel against similar tools.

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⚠️ Third-Party Software Notice

This skill is third-party open-source software developed and hosted independently on GitHub. SkillsLLM is an informational directory and does not control or maintain the underlying repository.

Any security checks, ratings, or warnings displayed by SkillsLLM are automated and limited in scope. They do not constitute a security certification or guarantee that the software is safe, error-free, or free from malicious code, vulnerabilities, compromised dependencies, or prompt-injection risks.

Review the source code, permissions, dependencies, and configuration before installing or running any third-party skill. Use is at your own risk. To the maximum extent permitted by applicable law, SkillsLLM is not liable for losses arising from third-party software.

Read the Terms of Service

ExcelMcp - MCP Server for Microsoft Excel

Website · Installation · Features · Troubleshooting · 2-minute demo

Automate real Microsoft Excel with AI. Excel MCP Server lets GitHub Copilot, Claude, ChatGPT, and other agents control Excel through natural-language requests—using either MCP or a token-efficient CLI.

Unlike file-parser tools, ExcelMcp drives the actual Excel application through its official COM API. It can refresh Power Query, recalculate formulas, evaluate DAX, run VBA and Python =PY(), and preserve PivotTables, charts, macros, the Data Model, and workbook formatting.

60 MCP tools across 31 feature areas, with 409 operations, cover end-to-end Excel automation.

[!IMPORTANT] Requires Windows, Microsoft Excel 2016 or later, and an interactive desktop. It is not intended for Linux, macOS, or server-side batch processing.

🚀 Get Started

Use case	Recommended path
VS Code	Install the extension
Claude Desktop or another MCP client	Install the MCP Server
Coding agents (fewer AI tokens)	Install the CLI
Not sure which to choose?	Read the installation overview

For GitHub Copilot CLI, install either plugin from the Awesome Copilot Excel listings:

copilot plugin install excel-mcp@awesome-copilot
# Or, for command-line Excel automation:
copilot plugin install excel-cli@awesome-copilot

Close open Excel workbooks before starting; ExcelMcp requires exclusive access while automating them.

What You Can Automate

Data & analytics: Power Query, DAX, Power Pivot, Excel Tables, PivotTables, and data connections.
Cells & workbooks: ranges, formulas, formatting, worksheets, files, calculation, and named ranges.
Charts & visuals: charts, slicers, conditional formatting, screenshots, drawings, and sparklines.
Automation & advanced: VBA, Python in Excel, Goal Seek, scenarios, data tables, windows, and XML Maps.

Explore the capabilities behind all 409 operations. Current command details come from CLI help or the MCP tool descriptions.

See It in Action

Ask in plain language:

"Import products.csv with Power Query and load it to the Data Model."
"Create a PivotTable showing revenue by region, then add a column chart."
"Use Goal Seek to find the price that produces $100,000 profit."
"Show me Excel while you work."

Because Excel performs the work, you can inspect results live and continue editing the workbook normally.

See more examples and use cases.

MCP Server or CLI?

Both entry points expose the same Core commands and behavior, so the choice is technical. Coding agents can use either one.

Interface	Works with	Why
MCP Server	Any MCP-compatible client	Tool discovery and persistent sessions
CLI (`excelcli`)	Agents that can run terminal commands	Built-in help without loading MCP tool definitions, usually with fewer AI tokens

The MCP Server calls the ExcelMcp service in-process. The CLI uses a background daemon so workbook sessions persist across commands.

AI assistant or script
        │
   MCP Server / CLI
        │
 ExcelMcp Core commands
        │
 Real Excel COM API

Read the architecture or browse the MCP Server and CLI guides.

⭐ GitHub Star History

📋 Additional Information

Documentation · Changelog · Contributing · Security · Privacy

License: MIT License - see LICENSE file

Related Projects

Other projects by the author:

PowerPoint MCP Server — AI-powered PowerPoint automation via MCP, the sister project to this one
pytest-skill-engineering — LLM-powered testing framework for AI agents
Windows MCP Server — AI-powered Windows automation via MCP
OBS Studio MCP Server — AI-powered OBS Studio automation