The Better Auth SaaS starter kit for Next.js, with organizations, roles, and billing wired in
Better Auth runs inside your app and stores users, sessions, and organizations in your database.Organizations, invitations, custom roles, MFA, passkeys, magic links, and OAuth, tied to Stripe or Polar.
Authentication
Billing and Subscriptions
Customer Portal
Multi Tenancy
Super Admin
Shadcn UI and Tailwind CSS
Dark Theme
Blog
Documentation/Help Center
Mobile Friendly
Serverful/Serverless Stack
Strict code standards
E2E Testing with Playwright
Emails with React Email
Mailers
Plugins
You Own the Code
Documentation
SEO Basics
Swappable Providers
AI Agent Rules
MCP Server
Course
Realtime Notifications (Supabase)
Internationalization
Figma UI Kit
Support
Community
Guides
Continuous Updates
Maintained Full-Time
Since 2022
Rules and an MCP server for AI agents and IDEs: Claude Code, Codex, Gemini, and Cursor
Instruction files tell the agent where code goes and which patterns to reuse. The MCP server gives it structured access to the kit, so features land on the existing auth, tenancy, and billing instead of beside them.
A production-ready Better Auth SaaS Starter KitThe setup, stack, and tooling are decided, so your first commit is a product feature.
Authentication with Better AuthEmail and password, magic links, passkeys, OAuth, and TOTP MFA, configured in one Better Auth file and stored in your own Postgres.
Multi-Tenancy with Better Auth OrganizationsBetter Auth's organization plugin with invitations, plus custom roles each organization defines from the UI.
BillingStripe or Polar subscriptions per organization, including per-seat billing with seat enforcement and metered usage.
Admin PanelManage your users, organizations, and build your own internal tooling within the app.
Delightful UI, Built to ExtendScreens for every flow, built from the same Shadcn UI components you will use for your own features.
MarketingGet found by your target audience with blog, documentation, changelog, and more.
Monitoring and TestingComprehensive monitoring and testing tools to help you keep your SaaS running smoothly.
Support and CommunityAsk me and the MakerKit community on Discord about setup, kit-related issues, and how the codebase fits together.
Better Auth is a library, not a SaaS
Adding Better Auth to an app is the quick part. Wiring its organizations to roles, invitations, per-seat billing, and an admin panel takes longer. With AI coding tools, that is still 49-81 hours of senior developer time, including fixing the patterns AI got wrong.
Build once
Infrastructure every SaaS needs before its first feature
- Authentication (email, OAuth, MFA)6-10 hoursPre-built
- Stripe subscription billing5-8 hoursPre-built
- Teams, roles & invitations6-10 hoursPre-built
- Super admin dashboard4-6 hoursPre-built
- Transactional emails3-5 hoursPre-built
- Marketing pages2-4 hoursPre-built
- Blog & documentation3-5 hoursPre-built
- Project setup (monorepo, CI, TypeScript)2-3 hoursPre-built
- E2E tests (auth and billing flows)3-5 hoursPre-built
Maintain forever
Work that keeps coming after launch
- Refactoring AI-generated patterns15-25 hoursNot needed
- Next.js/React version upgradesEvery major releaseIncluded
- Security patches & fixesOngoing, unpredictableIncluded
- Dependency updatesOngoingIncluded
49-81 hours
With AI tools, including rework
Day 1
Start building your product immediately
$7,350-$12,150
In developer time and opportunity cost
Estimates for a senior developer building from scratch with Claude Code or Cursor at $150/hour, including 15-25 hours refactoring AI-generated patterns. Read the methodology
Our customers love Makerkit ❤️
Rob, founder at Provider.app
Watch the full interview with Rob.Sebastian, founder at Watchthis
Watch the full interview with Sebastian.Michael, founder at ChatFlow
Watch the full interview with Michael.Choose your Better Auth stack: Drizzle or Prisma
Each license includes the Next.js and TanStack Start kits for that ORM. One-time purchase: lifetime license, continuous updates, unlimited projects of your own.
- Lifetime access to your stack of choice
- Build unlimited applications
- Continuous updates
- Access to the Discord community
- The best support in the SaaS Starter kits market, period.
- Community and Chat support
- Community-based feature requests and Request for Comments. You have a say in what Makerkit should build next.
- One-time payment, no subscriptions
- Includes access to our free Figma UI kit
Choose your Stack
Select the technology stack that best fits your project
Questions about licensing?
Read the MakerKit license terms and the MakerKit FAQ, or contact me.
A Better Auth SaaS boilerplate: self-hosted authentication, with the SaaS already built around it
Better Auth handles identity. MakerKit adds the organizations, roles, billing, and admin that turn it into a product.
What is the MakerKit Better Auth SaaS Starter Kit?
The MakerKit Better Auth SaaS Starter Kit is the Drizzle or Prisma edition of MakerKit, available for Next.js 16 and TanStack Start. Better Auth runs inside your app and stores users, sessions, and organizations in your own Postgres. The kit adds organizations with invitations and custom roles, passkeys, MFA, Stripe or Polar billing, and a super admin with impersonation.
Best for
- Teams that want users and sessions in their own database, with no per-user auth pricing
- B2B SaaS that needs organizations and custom roles per customer
- Developers who prefer Drizzle or Prisma on any Postgres host over a managed backend
Not for
- Teams that want a vendor-hosted auth dashboard and prebuilt user management
- Projects already committed to Supabase Auth and RLS; the Supabase kit fits better
- Anyone who does not want to own auth security settings in production
Auth in your database
Users, sessions, and organizations live in your Postgres. No external auth service and no per-user pricing.
Organizations and custom roles
Better Auth's organization plugin with invitations, plus roles each organization defines from the UI.
Every sign-in method
Email and password, magic links, passkeys, OAuth, and TOTP MFA, with rate limiting and captcha plugins.
Stripe or Polar billing
Per-organization subscriptions with per-seat enforcement and metered usage.
Two frameworks, two ORMs
Next.js 16 or TanStack Start, with Drizzle or Prisma 7. Same features in every combination.
Built for AI coding agents
AGENTS.md and CLAUDE.md files at the root and in each package, rules for Claude Code, Cursor, Codex, and Gemini, and an MCP server your agent can call.
With and without MakerKit
Better Auth SaaS Starter Kit FAQ
What is the Better Auth SaaS Starter Kit?
It is MakerKit's Drizzle and Prisma kits, which use Better Auth for authentication. Each is available for Next.js 16 and TanStack Start and ships email and password, magic links, passkeys, OAuth, TOTP MFA, organizations with invitations and roles, a super admin with user impersonation, and Stripe or Polar billing.
Why use Better Auth instead of Clerk or Auth0?
Ownership and cost. Better Auth runs inside your app and stores users, sessions, and organizations in your own Postgres, so there is no per-user auth pricing and no third party holding your user table. The trade-off is that you operate auth yourself: secrets, email verification, and rate limiting are configured by the kit, and keeping them on in production is your job.
How do organizations and roles work with Better Auth?
The kit configures Better Auth's organization plugin for teams, members, and invitations, and adds custom roles that each organization can define from the UI without code changes. Your code checks access through the kit's permissions API and custom authorization policies.
Drizzle or Prisma: which Better Auth kit should I buy?
Drizzle if you like queries that read like SQL and no generated client. Prisma 7 if your team already knows Prisma's schema language and client. Auth, organizations, billing, and admin are the same in both, and each is its own license, so pick the ORM you want to live with.
Can users sign up without creating an organization?
Yes. Account modes let you run personal accounts only (B2C), organizations only (B2B), or both (B2B2C), chosen in configuration.
Which databases and hosts does it support?
PostgreSQL from any provider: Neon, Supabase Postgres, Railway, or your own server. The deployment docs cover Docker and Railway, and because Better Auth runs in-process there is no separate auth service to deploy.
Is MakerKit a one-time purchase or a subscription?
A one-time purchase. You get a lifetime license to the source code, continuous updates for the stack you bought, and unlimited projects for your own business, with no renewal fee. Building products for clients requires a Team license, and each client that receives the code needs their own license.
What support is included?
Discord support from me, Giancarlo, the founder who works on MakerKit full-time, and from the community. I help with setup, kit-related issues, and questions about the codebase. Team licenses add a private Discord channel for your team.
SaaS products built with MakerKit
A selection of products MakerKit customers have built on the kits.
I help founders launch faster - because life’s too short to write boilerplate code.
I am a software engineer with almost 15 years of experience writing code for both startups and enterprises.
My love for creating digital products inspired me to build Makerkit, a SaaS Starter Kit that helps you launch the SaaS you have always dreamed of.
My job is to help you achieve your goals, and I work hard to make it happen.
You can find me on Twitter, LinkedIn, and GitHub.
Own your auth. Skip the plumbing around it.
Better Auth, organizations, custom roles, and billing, already connected in your own Postgres. Pick Drizzle or Prisma above and start on the product instead of the auth wiring.