Learn how to build your first extension and use it in Raycast.
Create a new extension
Open the Create Extension command, name your extension "Hello World" and select the Markdown template. Pick a parent folder in the Location field and press ⌘↵ to continue.
Create a new extensio
Next, you'll need to follow the on-screen instructions to build the extension.
Build the extension
Open your terminal, navigate to your extension directory and run npm install && npm run dev. Open Raycast and you'll notice your extension at the top of the root search. Press ↵ to open it.
Your first extension
Develop your extension
To make changes to your extension, open the ./src/index.tsx file in your extension directory, change the markdown text and save it. Then, open your command in Raycast again and see your changes.
npm run dev starts the extension in development mode with hot reloading, error reporting and more.
Use your extension
Now, you can press ⌃C in your terminal to stop npm run dev. The extension stays in Raycast and you can find it's commands in the root when searching for the extension name "Hello World" or the command name "Render Markdown".
Find your extension in the root search
🎉 Congratulations! You built your first extension. Off to many more.
Don't forget to run npm run dev again when you want to change something in your extension.