The instructions file (CLAUDE.md) that teaches Claude how to build a Photoshop UXP panel. Drop it into a folder, open it in Claude, and describe the plugin you want. Claude writes all the code.
The finished plugin from the tutorial: pull a color palette out of any image, with a live preview and one-click swatch, card, and gradient outputs. Install it, or read the full project and source.
Get the free UXP Developer Tool from Creative Cloud.
Enable it in Photoshop, Preferences, Plugins, then restart.
Put CLAUDE.md in a new folder and open it in Claude Code.
Tell Claude what panel to build. It writes all the files.
Load it in Photoshop, then package a .ccx to share.