CynLabs

Your AI music production suite — library, studio, lyrics, and sound analysis.

Stack

• pnpm workspaces, Node.js 24, TypeScript 5.9
• API: Express 5 + PostgreSQL (Drizzle ORM)
• Frontend: React + Vite + Tailwind + shadcn/ui
• Auth: Google OAuth 2.0 (PKCE)
• AI: Anthropic Claude (Sonnet for studio, Opus for sound analysis)

Run

pnpm install
pnpm --filter @workspace/api-server run dev   # API on port 5000
# Frontend: configure via PORT + BASE_PATH env vars

Required env vars

Variable	Description
DATABASE_URL	Postgres connection string
GOOGLE_CLIENT_ID	Google OAuth 2.0 Client ID
APP_ORIGIN	Your deployed URL (e.g. https://cynlabs.up.railway.app)
AI_INTEGRATIONS_ANTHROPIC_API_KEY	Anthropic API key
AI_INTEGRATIONS_ANTHROPIC_BASE_URL	Anthropic API base URL
DEEPSEEK_API_KEY	DeepSeek API key for the notebook assistant
NOTEBOOK_AI_PROVIDER	Optional notebook provider override; set gemini to force Gemini, otherwise DeepSeek is preferred when configured
DEEPSEEK_NOTEBOOK_MODEL	Optional DeepSeek model override; defaults to deepseek-v4-flash
GEMINI_API_KEY	Optional Gemini API key for the notebook assistant

Google OAuth setup

1. Google Cloud Console → APIs & Services → Credentials → Create OAuth 2.0 Client ID
2. Add $APP_ORIGIN/api/callback to Authorized Redirect URIs
3. Set GOOGLE_CLIENT_ID in your environment (no client secret needed — uses PKCE)