About
Nucleo is an icon bundle offering over 40,000 SVG icons for UI and marketing. It is organized into four icon families: nucleo-ui, nucleo-sharp, nucleo-pixel, and nucleo-micr-bold.
Users can browse, copy, and customize all the icons through the Nucleo web app. Nucleo also offers AI integration: users can install the Nucleo MCP server and agent skills, and the site provides a guide to the integration.
Nucleo is trusted by more than 20,000 designers and developers. The website features praise from designers who use the icons in dashboards, navbars, and other interface designs.
What's new
All release notes4.2.0Mar 14, 2026
Homebrew cask nucleo 4.2.0 (sha256 47bb642f3d0491326ae71096be3a5f97f5c3c997bdd2017669a1109bd90c10fd).