AI Fusion Kit is an open-source AI web app template built on Next.js that combines Supabase, the OpenAI API, and the Vercel AI SDK into a customizable starting point for chatbot applications. It is authored by GitHub developers nphivu414 and toproad1407 and is based on Vercel Labs' Next.js AI Chatbot starter.
What is AI Fusion Kit?
AI Fusion Kit is a full-stack AI web application template that runs on Next.js and TypeScript. As input it takes your OpenAI API key and local Supabase credentials, and as output it provides a working chat interface with streaming AI responses and a Supabase-backed backend, ready for further development. The template is built with React, Next.js, Supabase, OpenAI's API, the Vercel AI SDK, TailwindCSS, Shadcn UI, and Aceternity UI.
Key Features
- Next.js and TypeScript — The entire template is written in TypeScript and uses the Next.js framework, giving you API routes, server rendering, and a React front end from one codebase.
- OpenAI API integration — Setup instructions walk you through creating an OpenAI account and generating a personal API key, which is stored in a
.env.localfile. - Supabase local development — The repo includes a Docker-based Supabase workflow: running
supabase startlaunches a local backend and prints the API URL, anon key, and service role key you need for your environment variables. - Vercel AI SDK — The template lists the Vercel AI SDK as a dependency, enabling streaming AI responses from OpenAI models inside the chat UI.
- TailwindCSS with Shadcn UI and Aceternity UI — Styling is handled by Tailwind CSS, with component libraries Shadcn UI and Aceternity UI providing pre-built, customizable interface elements.
- Based on Next.js AI Chatbot — The project is built on Vercel Labs' AI Chatbot starter, so the chat UI, message rendering, and streaming patterns come from a widely used reference implementation.
- Yarn-based workflow — Dependencies are installed with
yarn installand the development server starts withyarn dev.
Who is it for?
- Developers building AI chatbot products — Clone the repo, add your keys, and you have a functioning chat app with a modern UI and a backend.
- Startup teams prototyping AI features — The template bundles auth-related configuration and Supabase services, reducing the amount of plumbing needed to test an idea.
- Next.js developers learning how to integrate AI — The codebase shows how to connect Next.js, Supabase, OpenAI, and the Vercel AI SDK in one project.
- Designers who want control over UI — Because styling uses TailwindCSS, Shadcn UI, and Aceternity UI, you can replace or restyle components without a major rewrite.
What can you do with AI Fusion Kit?
- Launch an AI chat app quickly: Use the included chat interface and OpenAI integration to start conversations with the model right after setup.
- Prototype an AI assistant with authentication: Leverage the Supabase layer to add user accounts and protect the chat functionality.
- Extend with custom AI features: Build on the Next.js API routes and Vercel AI SDK to add new tools, memory, or custom prompts.
- Learn a modern AI stack: The code provides a concrete example of how to combine TypeScript, Next.js, Supabase, and the Vercel AI SDK.
How does AI Fusion Kit work?
The README outlines a four-step setup: clone the repository, install dependencies with yarn install, start a local Supabase stack via Docker using supabase start, and then rename .env.example to .env.local, populating it with the Supabase API URL, anon key, and an OpenAI API key. Finally, yarn dev starts the development server.
Pros and cons
- Pros: Uses a modern stack of Next.js, TypeScript, Supabase, and the Vercel AI SDK; provides a Docker-based local Supabase workflow that mirrors production services; inherits the proven chat UI from Vercel Labs' Next.js AI Chatbot; styling is fully customizable through TailwindCSS, Shadcn UI, and Aceternity UI.
- Cons: Requires Docker to run Supabase locally, which adds setup overhead; needs an OpenAI API key to function; the README emphasizes that the
.envfile contains secrets and must not be committed to version control.
Alternatives
- Next.js AI Chatbot — The Vercel Labs starter that AI Fusion Kit builds on; it is a simpler baseline without the Supabase integration and extra UI libraries.
FAQ
Is AI Fusion Kit free?
Yes, the template is open-source and free to clone from GitHub. The README does not mention a paid tier, but running the app requires an OpenAI API key and a Supabase instance.
What do I need to run AI Fusion Kit?
You need Node.js, the yarn package manager, Docker for the local Supabase stack, and an OpenAI API key. Follow the installation steps in the README to set up all prerequisites.
Does AI Fusion Kit include authentication?
It uses Supabase, which can handle authentication, and the README warns about not committing credentials for "authentication provider accounts." The template assumes you will configure auth as part of your Supabase setup.
Which UI libraries are used?
TailwindCSS is the CSS framework, and Shadcn UI and Aceternity UI supply reusable components and styles. The combination allows you to restyle the interface with utility classes and pre-built design patterns.
