Find popular tech stacks. Have your agent build it.

{ "entries": [
  { "id": "python-react",
    "name": "Python API + React SPA", … },
  …
] }

Output abbreviated

{ "id": "python-react",
  "name": "Python API + React SPA",
  "deps": { "backend": ["fastapi", "uvicorn", …],
    "frontend": ["react", "react-dom", …] }, … }

Output abbreviated

{ "stack": "python-react", "preset": "sandbox",
  "brief": ".stacks/BRIEF.md",
  "written": ["AGENTS.md", "Makefile", …], … }

Output abbreviated

Build the FastAPI backend and React frontend.
Generate the API client from OpenAPI.
Run stacks verify; fix failures without weakening checks.

Output abbreviated

from fastapi import FastAPI
…
def create_app() -> FastAPI:
    app = FastAPI(lifespan=lifespan)
    app.include_router(router)
    return app
…

Output abbreviated

import { Outlet } from "react-router";
…
export default function App() {
  return <QueryClientProvider client={queryClient}>
    <Outlet />
  </QueryClientProvider>;
}

Output abbreviated

Dependencies installed with uv and bun.
OpenAPI spec and typed client generated.

✓ lint, typecheck, test
✓ api-contract, readme-filled
✓ API health and frontend respond
Verification passed

API   http://localhost:8000
Web   http://localhost:5173