burntop is an open-source full-stack template made for apps that AI coding agents build. It gives you FastAPI, React 19 (TanStack Start), Tailwind 4, shadcn/ui and PostgreSQL 18, with session auth, Google OAuth, a reference CRUD feature and Docker Compose ready to run.
The difference is the guardrails. The template has only end-to-end tests: 161 backend tests against real Postgres and 42 Playwright tests against the full stack. 39 mocking libraries are banned, so a mock import fails the build. A route that no test calls, a page that no spec opens or a model without a migration also fails the run. A feature is done only when make ci passes, so the agent can't fake a green check.
It works with Claude Code, Cursor, Codex or any agent that reads http://AGENTS.md" title="AGENTS.md (opens in new tab)">AGENTS.md. Nested http://AGENTS.md" title="AGENTS.md (opens in new tab)">AGENTS.md files and a project-standards skill tell the agent how to add features. Start with one prompt: "Create a new project from https://github.com/agusmdev/fullstack-ai-template" title="https://github.com/agusmdev/fullstack-ai-template (opens in new tab)">https://github.com/agusmdev/fullstack-ai-template as described in its README, then open http://AGENTS.md" title="AGENTS.md (opens in new tab)">AGENTS.md and follow it."
Features:
FastAPI + SQLAlchemy 2 async + Alembic + Pydantic 2 backend
React 19 + TanStack Start/Router/Query + Tailwind 4 + shadcn/ui frontend
Session auth, Google OAuth, password reset, email verification, Argon2
203 end-to-end tests (161 backend on real Postgres, 42 Playwright)
39 mocking libraries banned; untested routes and pages fail CI
http://AGENTS.md" title="AGENTS.md (opens in new tab)">AGENTS.md files and skills for Claude Code, Cursor and Codex
Docker Compose, GitHub Actions, Sentry, ~60 make targets
Use cases:
Start a new SaaS or internal tool with an AI coding agent without it faking tests
Give Claude Code / Cursor / Codex a codebase with strict, enforced standards
Learn a production FastAPI + React architecture
Pricing: free. The source is public on GitHub: https://github.com/agusmdev/fullstack-ai-template" title="https://github.com/agusmdev/fullstack-ai-template (opens in new tab)">https://github.com/agusmdev/fullstack-ai-template
