Excel MCP Server

A Model Context Protocol (MCP) server that lets you manipulate Excel files without needing Microsoft Excel installed. Create, read, and modify Excel workbooks with your AI agent.

Features

• 📊 Create and modify Excel workbooks
• 📝 Read and write data
• 🎨 Apply formatting and styles
• 📈 Create charts and visualizations
• 🔄 Manage worksheets and ranges

Quick Start

Prerequisites

• Python 3.10 or higher

Installation

1. Clone the repository:

git clone https://github.com/Aifornorms/ExcelMCP.git
cd ExcelMCP

2. Install using uv:

python -m venv .venv
.venv/scripts/activate
pip install uv
uv pip install -e .

Running the Server

Start the server (default port 8000):

uv run excel-mcp-server

Custom port (e.g., 8080):

# Bash/Linux/macOS
export FASTMCP_PORT=8080 && uv run excel-mcp-server

# Windows PowerShell
$env:FASTMCP_PORT = "8080"; uv run excel-mcp-server

Using with AI Tools

Cursor IDE

1. Add this configuration to Cursor:

{
  "mcpServers": {
    "excel": {
      "url": "http://localhost:8000/sse",
      "env": {
        "EXCEL_FILES_PATH": "Excel_files"
      }
    }
  }
}

2. The Excel tools will be available through your AI assistant.

Remote Hosting & Transport Protocols

This server uses Server-Sent Events (SSE) transport protocol. For different use cases:

1. Using with Claude Desktop (requires stdio):

   • Use Supergateway to convert SSE to stdio:

2. Hosting Your MCP Server:

   • Remote MCP Server Guide

Environment Variables

• FASTMCP_PORT: Server port (default: 8000)
• EXCEL_FILES_PATH: Directory for Excel files (default: ./excel_files)

Available Tools

The server provides a comprehensive set of Excel manipulation tools. See TOOLS.md for complete documentation of all available tools.

License

MIT License - see LICENSE for details.