Getting started

Clone cosmo, install dependencies, and run the dev server.

Cosmo is a minimal Astro starter. This guide walks through cloning the repo and running it locally.

Prerequisites

Node 22 LTS or higher (see .nvmrc)
pnpm — cosmo uses pnpm-lock.yaml; do not substitute npm or yarn

Scaffold and install

pnpm create astro@latest -- --template Dyslecix-Dev/cosmo/template my-site
cd my-site
pnpm install

Commands

pnpm dev — local dev server with HMR
pnpm build — astro check + astro build
pnpm typecheck — type-check only (also runs on pre-push)
pnpm check — Biome lint + format
pnpm check:fix — Biome with autofix

Next steps

Set site in astro.config.mjs to your production URL
Update siteName and titleDefault in src/components/SEO.astro
Replace placeholder hero images in src/assets/
See rebranding via tokens to retheme the site
See SEO checklist for a complete pre-launch setup