julien-mcp-desktop-commander

MCP Desktop Commander Installer

This skill installs the Desktop Commander MCP server into the current project.

Installation Procedure

When the user asks to install Desktop Commander MCP:

1. Check for existing .mcp.json in the project root
2. Merge configuration - Add this server to mcpServers:

{
  "desktop-commander": {
    "command": "cmd",
    "args": ["/c", "npx", "-y", "@wonderwhy-er/desktop-commander"]
  }
}

3. If .mcp.json doesn't exist, create it with the full structure:

{
  "mcpServers": {
    "desktop-commander": {
      "command": "cmd",
      "args": ["/c", "npx", "-y", "@wonderwhy-er/desktop-commander"]
    }
  }
}

Prerequisites

• Node.js and npm installed

Usage After Installation

Restart Claude Code to activate the MCP server. Provides desktop automation capabilities.

Skill Chaining

• Input: User request to install Desktop Commander MCP
• Output: Configured .mcp.json with desktop-commander server
• Tools Used: Read, Edit, Write
• Chains With: Playwright MCP for browser automation

Troubleshooting

Problem	Solution
npx not found	Install Node.js and ensure npm is in PATH
Permission denied	Run terminal as administrator on Windows
Command not found	Check Desktop Commander supports the command
File access error	Verify file path exists and is accessible