Building full-stack applications is made more accessible with tools like Lovable, Clerk, and Supabase, which allow developers and non-developers to prototype and launch secure apps efficiently by integrating AI and modern development tooling. Lovable, an AI-driven platform, facilitates the creation of applications by interacting with an AI agent that integrates with frameworks such as React and Supabase for seamless app development. Clerk offers a straightforward authentication solution by providing drop-in UI components, making it easy to manage user access in apps built with Lovable. Supabase serves as an open-source backend as a service, utilizing PostgreSQL with advanced features like Row-Level Security (RLS) to ensure secure data management. This guide demonstrates creating an application where users can store AI coding rules, using Lovable for app scaffolding, Clerk for authentication, and Supabase for data storage, highlighting the collaborative potential of these platforms. While AI reduces the manual coding workload, human oversight remains crucial to correct issues and ensure the app meets desired specifications, blending the speed of low-code platforms with the customization of traditional software development.