MantleKit

About MantleKit

MantleKit is a production-ready Next.js starter for people who want to launch serious products without rebuilding the same stack from scratch every time. Instead of beginning with a blank repo and then wiring up auth, payments, content, admin screens, and launch tools one by one, you start from a base that already behaves like a real product.

The goal is not to be the biggest boilerplate on the internet. The goal is to give developers, freelancers, and agencies a cleaner way to ship. MantleKit focuses on the pieces that usually slow projects down in real life: setup, admin tooling, ecommerce, content, team workflows, launch readiness, and all the operational detail that tends to get left until too late.

About MantleKit

MantleKit is designed for a broad range of use cases: SaaS products, content-led businesses, ecommerce projects, agency builds, and productized services. The system combines the frontend pieces people expect on a polished website with the backend surfaces they usually end up needing later: CMS, orders, customers, forms, analytics, tickets, notes, launch mode, project health, and more.

That also shapes the integration choices. MantleKit leans toward tools developers already know and can afford to launch with: Next.js, Supabase, Vercel, Stripe, Resend, and a setup flow that aims to stay understandable rather than hiding everything behind a black box.

Founder

Meet Garratt Campton

Founder, designer, and full-stack builder behind MantleKit.

Garratt Campton

Garratt Campton

Founder, designer, and full-stack builder

Garratt Campton builds MantleKit as a practical product foundation for developers, freelancers, and agencies who want a stronger starting point than a bare boilerplate.

About Garratt Campton

MantleKit is built by Garratt Campton, a Queensland-based full-stack developer with a long background across web development, SEO, digital marketing, and hands-on product building. His work spans older web eras through to modern Next.js, TypeScript, Tailwind, Node.js, Python, and AI-assisted development workflows.

That background matters because MantleKit was not invented from a theory document. It grew out of years of shipping websites, maintaining client work, improving SEO performance, and repeatedly running into the same problem: most starter kits help you get to “hello world,” but not to a stable, maintainable business product.

MantleKit is Garratt’s answer to that gap. It brings together the things he kept rebuilding for real projects and turns them into a reusable foundation that is faster to launch, easier to extend, and more complete on day one.

Get in Touch

Questions? Feedback? Just want to say hi? Contact us — every message is read.