MCP DevTools

A Model Context Protocol (MCP) server that provides useful developer tools for local development.

MCP DevTools is built with the official MCP Go SDK and exposes a collection of tools through a standardized interface, allowing AI assistants and other MCP clients to interact with your local development environment.

Features

This MCP server provides the following tools:

🎨 Color Utilities

• color_convert - Convert CSS color values between various formats
  • Input: CSS color value (e.g., #ff5733, rgb(255, 87, 51), hsl(9, 100%, 60%), or named colors like red)
  • Output: Hex, RGB, HSL, HSV, CMYK, LAB, XYZ, Linear RGB representations
  • Additional: Luminance value and light/dark classification

🌐 Network Utilities

• get_ip_address - Get the current computer's IP addresses
  • Returns: All active network interface IP addresses
  • Identifies: Primary IP address (first non-loopback IPv4)

🕐 Time Utilities

• get_current_time - Get the current server time
  • Returns: Current time in RFC1123 format

📁 File System Utilities

• list_old_downloads - Find old files in Downloads folder
  • Returns: List of files in the Downloads directory that haven't been modified in the last 3 months
  • Includes: File name, last modified time, and size

💻 System Utilities

• list_installed_apps - List installed applications
  • Platform: Currently supports macOS only
  • Returns: List of installed applications from /Applications directory

🌍 Browser Utilities

• open_in_browser - Open URLs in the default browser
  • Input: URL to open
  • Platforms: Windows, macOS, Linux
  • Action: Opens the specified URL in the system's default web browser

Installation

Option 1: Shell Script (Mac/Linux)

curl -fsSL https://github.com/release-lab/install/raw/v1/install.sh | bash -s -- -r=axetroy/mcp-server-devtools -e=mcp-server-devtools

Option 2: PowerShell (Windows)

$r="axetroy/mcp-server-devtools";$e="mcp-server-devtools";iwr https://github.com/release-lab/install/raw/v1/install.ps1 -useb | iex

Option 3: Download Binary

Download the pre-built executable from the GitHub Releases page and add it to your $PATH.

Option 4: Build from Source

Requires Go 1.21 or later:

go install github.com/axetroy/mcp-server-devtools/cmd/mcp-server-devtools@latest

Configuration

To use this server with an MCP client, add it to your client's configuration file.

Claude Desktop

Add to your Claude Desktop configuration file:

macOS: ~/Library/Application Support/Claude/claude_desktop_config.json

Windows: %APPDATA%\Claude\claude_desktop_config.json

{
  "mcpServers": {
    "devtools": {
      "command": "mcp-server-devtools"
    }
  }
}

Other MCP Clients

For other MCP clients, configure them to run:

mcp-server-devtools

The server communicates via stdin/stdout following the Model Context Protocol specification.

Usage

Once configured, your MCP client can use the available tools. The server will:

1. Start when the MCP client initializes
2. Wait for tool call requests on stdin
3. Execute the reque

... View full README on GitHub