WindowsMCP.NET

A .NET MCP (Model Context Protocol) server for Windows desktop automation. Remote-first with Streamable HTTP transport, ships as a portable single-file executable.

Inspired by Windows-MCP (Python), reimplemented in C# with enhanced UI Automation via FlaUI.

Features

• 18 MCP Tools for full Windows desktop control
• Remote-first — Streamable HTTP with API key auth and HTTPS
• Portable — Single .exe, no .NET runtime needed
• UI Automation — FlaUI (UIA3) for reliable element interaction
• Easy Setup — Interactive wizard, 3-step deployment

Quick Start

1. Download

Grab the latest WindowsMCP.NET.exe from Releases.

2. Run

WindowsMCP.NET.exe

The setup wizard runs automatically on first start:

• Generates an API key
• Creates a self-signed HTTPS certificate
• Shows the Claude Code config snippet

3. Connect

Add the displayed JSON to your Claude Code settings:

{
  "mcpServers": {
    "windows-mcp-dotnet": {
      "type": "streamable-http",
      "url": "https://YOUR-PC:8000/mcp",
      "headers": {
        "Authorization": "Bearer wmcp_your_key_here"
      }
    }
  }
}

Tools

CLI

WindowsMCP.NET.exe                    # Start server (HTTP)
WindowsMCP.NET.exe --transport stdio  # Start in stdio mode
WindowsMCP.NET.exe setup              # Run setup wizard
WindowsMCP.NET.exe setup --new-key    # Generate new API key
WindowsMCP.NET.exe info               # Show config snippet

Building from Source

dotnet build WindowsMCP.NET.slnx
dotnet publish src/WindowsMCP.NET/WindowsMCP.NET.csproj -c Release -r win-x64

License

MIT