File Structure extension/uwu contains all the code related to Adobe SDK node_test is the Node.js server with OpenAI, FFmpeg, and yt-dl Getting Started Adobe Express Open terminal and navigate to a folder you don't care about. Run npx @adobe/create-ccweb-add-on uwu --template swc-javascript-with-document-sandbox and generate the SSL certificate Delete the uwu folder Navigate to extension/uwu and run npm run build Run npm run start Node.js Navigate to node_test in another terminal Run npm i Install FFmpeg and yt-dlp (brew on Mac suggested) Run node ser.js Add-On Open Adobe Express and enable the add on (Steps 4 & 5 in link) Should be good to go!