Vibe Code a Profitable AI Agent with Gemini 3.1 (step-by-step / easy guide)

Описание: 🧙 Learn how to start, scale & exit a PROFITABLE SaaS (EXACT Scripts, Code Files & Playbooks): https://www.rosewell.dev/

🎉 In this video, I'll be building an AI Agent SaaS for content creation (from scratch / easy for beginners) with Gemini 3.1 & Claude Opus 4.6, step-by-step. We'll setup the frontend with Gemini on AI Studio, then setup the backend on Supabase, then plug it all into Cursor to finish the app design & logic.

🔥 This video covers:

→ Designing a gorgeous frontend with Gemini 3.1
→ Setting up a simple AI Agent workflow you can SELL
→ Database logic with Supabase & setting up bulletproof systems
→ Managing data, coding apps that WORK
→ Vibe coding UI/UX designs that people will love

TIMESTAMPS

00:00 - 01:34 Intro & demo of the AI Agent
01:34 - 05:20 Building a vibe-coding PRD with voice dictation
05:20 - 07:56 Designing a beautiful UI prompt with Dribbble & Claude
07:56 - 08:48 Setting up Supabase
08:48 - 10:54 GEMINI 3.1 TEST - adding PRD to Gemini & awaiting design
10:54 - 11:58 Downloading the .ZIP and opening the project in Cursor
11:58 - 13:50 Connecting Supabase & setting up the tables with SQL & Claude
13:50 - 14:45 Checking out the front-end UI & logic
14:45 - 17:39 TRANSCRIPT API - setting up the logic for fetching & saving transcripts
17:39 - 19:35 Testing the transcript logic in the FRONTEND
19:35 - 25:04 Adding Gemini 3.1 Pro logic & API so we can write posts
25:04 - 27:18 Logic is good, but PROMPT WAS BAD - FIXING Gemini prompt to get better tweets
27:18 - 29:05 ALMOST THERE! Adding LinkedIn prompt functionality so users can create LinkedIn posts from a transcript
29:05 - 33:52 BEAUTIFUL UI DESIGN - vibe coding a prettier landing page + dashboard with Claude Opus 4.6

🖐️ About me:

I'm Olly & I build software apps.

In the last 2 years I have built & exited Response AI: an AI cold email tool, then I built & sold 2 more software products. I love teaching people how to code with AI and make money with software. I teach people how here: https://www.rosewell.dev/

🧙 Start, scale & exit a PROFITABLE Software App with NO experience: https://www.rosewell.dev/