PromptVault

PromptVault empowers creators to share and monetize their best AI prompts — discover, use, or sell high-quality prompts in one beautifully designed space.

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Inspiration

As generative AI tools like ChatGPT, Midjourney, and Claude become more mainstream, prompts have turned into valuable building blocks. Yet, there’s no dedicated space for creators to showcase, share, or even sell the prompts they've crafted. I was inspired by platforms like Dribbble (for designers) and Gumroad (for digital products) to create a space where prompt creators could do the same — share their craft and even earn from it.

What it does

PromptVault is a web app where users can:

  • Sign up and log in securely
  • Share their AI prompts publicly (free) or sell them as paid content
  • Browse a community-curated collection of prompts
  • Filter prompts by tags, type, or popularity
  • View creator profiles and explore their prompt collections

How we built it

  • Frontend: Built using React with the shadcn/ui component library and blue theme
  • Backend: Powered by Supabase, managing user auth, real-time database, and storage
  • Database: Supabase PostgreSQL with tables for users, prompts, tags, and sales logic
  • Hosting: Vercel for the frontend, Supabase for the backend
  • Design Principles: Clean UI, responsive design, and a creator-first experience

Challenges we ran into

  • Structuring the database schema to allow for flexible prompt types and future scalability
  • Designing a smooth UX for switching between free and paid content
  • Planning monetization logic without having payment integration live yet
  • Balancing minimal MVP features with extensibility for future community features

Accomplishments that we're proud of

  • A fully working MVP with clean authentication, prompt creation, and discovery flow
  • Built with modern tools in a modular way that’s easy to extend
  • Intuitive UI that feels lightweight but powerful
  • Early user testers said it felt "like Notion meets Gumroad for prompts"

What we learned

  • How to effectively use Supabase not just for auth and DB, but for rapid backend prototyping
  • Best practices for integrating shadcn/ui to create scalable, themeable UI
  • Deeper appreciation for thoughtful UX in UGC (user-generated content) platforms
  • How even a small creator-focused platform can benefit from clear monetization paths

What's next for PromptVault

  • Stripe integration for real payment flows
  • Rating and review system for prompt feedback
  • Bookmark/favorites for saving prompts
  • Featured creators & collections
  • Prompt testing playground to try prompts directly inside the app
  • Community features like commenting, following, and trending prompts

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