What it is

SaaS starter kits for Next.js, Nuxt and TanStack Start in a shared monorepo: auth with passwords, passkeys, OAuth and 2FA, swappable payment providers, organisations, internationalisation, typesafe APIs, file storage, email and analytics. Recent releases add Next.js 16.3 and packaged AI agent skills.

Why it earns a slot

The pick if you are not on React, since the Nuxt kit has no serious free equivalent. It is also the most explicitly agent-friendly kit, shipping documented conventions and skills for Claude Code and Cursor.

Know before you commit

Steep for a solo builder and seats are counted per developer. Provider-agnostic payments and auth add abstraction layers you must read before customising billing logic.

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Pricing snapshot

Solo $299 · Startup $799 (5 seats) · Agency $1,499 (10 seats) · one-time with lifetime updates

Snapshots move fast — verify at checkout, and post a field note if it changed.

Drop into your Lovable chat

Evaluate supastarter (https://supastarter.dev) for this project, then use it only if it fits what we are already building.
Context: Paid multi-framework SaaS kit. SaaS starter kits for Next.js, Nuxt and TanStack Start in a shared monorepo: auth with passwords, passkeys, OAuth and 2FA, swappable payment providers, organisations, internationalisation, typesafe APIs, file storage, email and analytics. Recent releases add Next.js 16.3 and packaged AI agent skills.
Reviewer notes (general, not written for this codebase): The pick if you are not on React, since the Nuxt kit has no serious free equivalent. It is also the most explicitly agent-friendly kit, shipping documented conventions and skills for Claude Code and Cursor.
Watch out for: Steep for a solo builder and seats are counted per developer. Provider-agnostic payments and auth add abstraction layers you must read before customising billing logic.
Pricing: Solo $299 · Startup $799 (5 seats) · Agency $1,499 (10 seats) · one-time with lifetime updates
Rules: treat the notes above as background only. Do not assume a theme, style, layout or feature that is not already in this project — inspect the existing code first and ask me before changing visual direction.

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