ExcelMcp VS Code Extension vscode-v1.4.43

What's New

• MCP SDK Upgrade (#301): Upgraded ModelContextProtocol SDK from 0.4.1-preview.1 to 0.5.0-preview.1
  • Proper isError signaling for tool execution failures (MCP protocol compliance)
  • Deterministic exit codes (0 = success/graceful shutdown, 1 = fatal error)
  • IAsyncDisposable for proper async resource cleanup

One-Click Excel MCP Server Installation for VS Code

This extension automatically registers the ExcelMcp MCP server with VS Code.

Installation Options

Option 1: VS Code Marketplace - Search for ExcelMcp and click Install
Option 2: Manual VSIX - Download excelmcp-1.4.43.vsix below and install via VS Code

Publishing Status: Published to VS Code Marketplace

Key Features

• Zero Configuration - Automatic MCP server registration
• Automatic .NET Installation
• Bundled MCP Server
• Works in all VS Code workspaces
• 12 Excel Tools with 180 operations

Requirements

• Windows OS
• Microsoft Excel 2016+
• VS Code 1.105.0+
• .NET 8 Runtime (auto-installed by extension)

Documentation

• Full Changelog
• Installation Guide
• Main Repository