Installation

Get up and running in seconds. The Caspian CLI scaffolds a production-ready FastAPI + Reactive DOM environment configured for maximum performance.

1

System Requirements

Ensure you have the latest runtime environments installed.

Node.js

Download
v22.13.0+
Check version
node -v

Python

Download
v3.14.0+
Check version
python -V
2

Create a New App

Run the following command in your terminal to launch the interactive setup wizard.

➜ ~ npx create-caspian-app@latest
Interactive Setup Wizard
? What is your project named? › my-app
? Would you like to use Tailwind CSS? Yes
? Initialize Prisma ORM? Yes
? Enable Swagger API Docs? Yes
✔ Scaffolding complete.
3

Editor Setup (VS Code)

For the best Developer Experience (DX), install these extensions. The Official Caspian Extension is required for Python Component autocompletion and snippet support.

Caspian

Official Framework Support

Install

Python

Debugging, linting & code navigation

Install

Pyright

Fast static type checking

Install

Pyrefly

Enhanced Python tooling

Install

Prisma

Schema formatting & highlighting

Install

Tailwind CSS

IntelliSense & class sorting

Install

Ready to ship?

Navigate to your project folder and start the development server.

cd my-app && npm run dev