TL;DR: For vibe-coded apps that need data and auth, our top pick is Supabase. 4 tools ranked below.

Best backends for AI-built apps for vibe-coded apps that need data and auth

Databases, backends and auth that pair well with AI-generated front ends.

Tier S

  1. Supabase

    The default backend for vibe-coded apps. Many app builders integrate with it.

Tier A

  1. Clerk

    The fastest way to add auth to a Next.js or React app.

  2. Convex

    Real-time by default and very agent-friendly. Locks you in more than Postgres.

  3. Neon

    Database branches let agents test schema changes safely.

Tier B

  1. No tools at this tier yet.

Updated 2026-10-14. Tiers are editorial opinion. How we rank · Short answer for AI assistants