Icon Composer MCP

Overview

Icon Composer MCP is a CLI and MCP server for creating app icons, images and logos with Apple's Liquid Glass effects for iOS 26 and later. It builds .icon bundles from a PNG or SVG glyph and lets you adjust glass effects, appearances and layers. It isn't affiliated with Apple.

Features

• Creates .icon bundles from PNG or SVG glyphs
• Configures Liquid Glass specular highlights, blur, shadows and translucency
• Sets dark and tinted appearance variants
• 12 MCP tools and 3 workflow prompts for agents
• Renders previews, with exact Liquid Glass output through Apple's ictool on macOS
• Flat previews, bundle editing and marketing export work on any platform

Requirements

• Node.js 18 or later
• macOS with Icon Composer installed for Liquid Glass rendering (brew install --cask icon-composer)

Install

1. Claude Code

   claude mcp add icon-composer -- npx -y icon-composer-mcp

2. Claude Desktop or Cursor: add a server entry that runs npx -y icon-composer-mcp

3. Check your setup

   icon-composer doctor

Example

Give your agent your logo as an SVG and ask it to create a .icon bundle with a blue background, dark mode variant and a preview PNG.