What To Do

From an idea to a scoped, scaffolded, running project in one prompt.

Describe an app idea in a sentence and What To Do turns it into a full PRD, a recommended tech stack with reasoned alternatives, and a downloadable boilerplate project scaffolded to match, with a live in-browser preview before you ever download a single file.

Try it

Live: whattodoby.filheinzrelatorre.com - no account needed to generate a PRD and preview a boilerplate; sign in to save projects.

CLI: npx create-whattodo "your idea" scaffolds the generated project straight onto your machine, no browser needed — see packages/create-whattodo.

How it works

1. Idea to PRD - a short prompt is expanded into a structured product-requirements document (problem, scope, sections, edge cases) via Groq.
2. PRD to stack recommendation - the PRD is matched against a stack matrix (framework, database, auth, hosting) with a primary pick plus alternatives and the reasoning behind each.
3. Stack to boilerplate - a real, runnable project is generated from a registry of templates (currently Next.js + Postgres + Drizzle, FastAPI + Postgres): a schema-aware homepage that actually fetches and posts to its own generated API route, not a static placeholder next to a disconnected backend, then zipped for download.
4. Live verification - the generated project boots in-browser via WebContainer before download, so what you get is a project that's already been proven to run, not just a set of files that should.

Tech stack

Layer	Choice
Framework	Next.js 16 (App Router), React 19, TypeScript
Auth	NextAuth (Auth.js) with Drizzle adapter
Database	PostgreSQL (Neon) via Drizzle ORM
LLM	Groq
In-browser runtime	WebContainer API (live boilerplate preview)
Object storage	Cloudflare R2 (S3-compatible, AWS SDK client)
Jobs / caching	Upstash QStash + Redis
Validation	Zod
Styling	Tailwind CSS v4
CLI	create-whattodo — plain Node, zero UI dependencies, jszip for extraction

Local setup

pnpm install
cp .env.example .env       # fill in the values
pnpm db:generate            # generate Drizzle migrations
pnpm db:migrate              # apply migrations
pnpm dev                     # http://localhost:3000

Scripts

pnpm dev             # dev server
pnpm build            # production build
pnpm start             # serve the production build locally
pnpm lint               # eslint
pnpm db:generate         # generate a Drizzle migration from schema
pnpm db:migrate           # apply migrations
pnpm r2:lifecycle          # configure R2 bucket lifecycle rules

Deployment

Deployed on Vercel, connected to this repository. Push to master to deploy.

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About the developer

Fil Heinz O. Re La Torre - Automation & AI Solutions Engineer, building integrations and AI-backed workflows that go from idea to production in days.

Other projects: Match · ZeroPress · Mimo · Insight · see all →