AI-powered postage stamp generator. Create unique vintage folk art stamp illustrations from text prompts.

Live: stamp.duyet.net | stamp.duyet.workers.dev

• Generate stamps from text prompts with AI
• 10 style presets: Vintage, Folk Art, Modern, Botanical, Portrait, Watercolor, Woodcut, Engraved, Pixel, Risograph
• Auto prompt enhancement via Llama 3.1 8B
• LLM-generated stamp descriptions
• Standard generation via Flux 1 Schnell (free)
• HD generation via Flux 2 Klein 9B (1024x1024)
• Public collection gallery with stamp overlay modal
• Download and share stamps
• Clerk authentication with free tier (20/day guest, 100/day signed in)
• Analytics dashboard (/dashboard)

All models run on Cloudflare Workers AI (free tier, no API keys needed).

• Framework: Next.js 16 (App Router) on Cloudflare Workers
• Adapter: @opennextjs/cloudflare
• Database: Cloudflare D1 (SQLite) + Drizzle ORM
• Storage: Cloudflare R2 (stamp images)
• Auth: Clerk
• Conversation History: AgentState — persistent AI conversation storage
• Styling: Tailwind CSS v4 + Geist font
• Linting: Biome
• Testing: Vitest (415 tests)
• CI: GitHub Actions

bun install
bun run setup          # Create D1 + R2 + local migration
bun dev                # Dev server (turbopack)
bun run dev:cf         # Dev with local CF bindings

bun run setup:remote   # First time: create remote D1 + R2
bun run deploy         # Build + deploy to CF Workers

MIT