Google Antigravity + Claude Code 🚀 AI Coding Tips (Adding App Auth)

Hi Friends, my name is Callum aka wanderloots & welcome to Claude Code +Antigravity + Testsprite! (https://www.testsprite.com/?via=wanderloots) Google Antigravity takes AI Coding to the next level in a full IDE, letting you build apps & vibe code/AI-code assist on your desktop, Claude Code brings heavy coding power to keep you building & Testsprite makes sure the code actually works! ✨ UPDATE: https://www.youtube.com/watch?v=Jqypr_h4keg

This video walks through a practical example of adding an authentication system to an RSS reader app (that I built in this video: https://youtu.be/MAUpppfg9Go), using a hybrid workflow of:
1) Gemini 3 Pro (for planning)
2) Claude Code (for building)
3) Testsprite (for testing)

By using three separate AI coding tools, usage limits in each can be conserved, letting each tool do what it does best so you can keep building.

If you want to check out Testsprite: https://www.testsprite.com/?via=wanderloots
If you have questions on how to use AI testing tools, check out their discord here: https://discord.com/invite/QQB9tJ973e

Antigravity has 3 major features I find sets it apart from other tools:
1) Agent Manger & Editor Shared Workflows
2) Agentic inbox for tracking parallel agent tasks
3) Browser agent for automated testing & debugging

It's honestly amazing how much I've learned and built in such a short time, leveraging Gemini 3 Pro is one of the most powerful LLMs out there, especially for coding (and it's free!). Combining the context & planning power of Gemini 3 with the coding power of Claude (Sonnet 4.5 & Opus 4.5) in Claude Code really does streamline your building process in Antigravity.

Adding Testsprite helps ensure that what you're building with Gemini & Claude actually works, so you can keep building without worrying about your app breaking.

I hope you enjoy! ✨

To learn more about the AI tools I use, check out my AI Learning Playlist: https://www.youtube.com/playlist?list=PLWhMzDKA7vJ7k0CCHAhCNGXH1BKKEo_we

P.S. I greatly appreciate any feedback, please let me know what you think 😊

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Timestamps:
00:00 Intro To Claude Code + Antigravity
00:55 Today's Outline & Goals
01:23 Why Using MCP + Coding Agents Matter
03:43 Overview Of Today's App Building Goals
04:52 Installing & Connecting Claude Code To Antigravity
07:28 Claude Code Main Features
09:18 Understanding Claude Code Usage Limits (5 Hour vs Weekly)
10:12 Phase 1: Planning With Gemini 3 (Antigravity)
11:42 Phase 1: Planning Results From Gemini 3 (Antigravity)
13:42 Phase 2: Executing (Coding) With Claude Code
16:11 Simplifying MVP Plan With Claude Code
18:40 Reviewing What Claude Code Built
20:05 Phase 3: Testing Agent (Testsprite MCP)
21:10 Connecting MCP Tools To Claude Code (Testsprite)
23:01 Running Tests With Testsprite Via Claude Code
25:30 Testsprite Dashboard
26:14 Testsprite Test Results
27:31 Phase 4: Debugging Based On Test Results
28:15 Phase 5: Testing The Fixed Auth System
29:53 My Thoughts On Testing With AI Coding Tools
31:54 Next Steps For This App (& Claude Code Options)
33:02 Concluding Thoughts & Ideas

WATCH NEXT
🌱 Obsidian & Digital Gardens https://www.youtube.com/playlist?list=PLWhMzDKA7vJ7p50vW-oeZgKR2aDReZFW6

LINKS (MY WORLD)
🧭 [Recalibrating Newsletter Home](https://paragraph.xyz/@wanderloots.eth?referrer=wanderloots.eth)
🏔️To start reading from the beginning: [Recalibrating Newsletter Entry 1: What Recalibrating Means To Me](https://wanderloots.substack.com/p/1-what-recalibrating-means-to-me)
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MY FAVOURITE TOOLS
😴 🤯 The [Waking Up App](https://dynamic.wakingup.com/guestpass/SC4914439) (use this link for a 30 day free trial)
📝 [Obsidian](https://obsidian.md/) (decentralized note-taking)
📹 [Adobe Suite](https://prf.hn/l/lQ9DwpA) (general creativity)

EQUIPMENT USED
6. Camera [Sony A7iii](https://amzn.to/3seSHv6)
7. Lens [Sony F2 28 mm](https://amzn.to/3TiWCT2)
8. Tripod [K&F Concept](https://amzn.to/3soCKCP)
9. Main Lighting Neewer 660 PRO RGB: https://amzn.to/3CEcU2V

Related Keywords:
AI Coding, Vibe Coding, Gemini 3 Pro, Antigravity
Gemini, Google AI, Build Apps, Mobile Apps, Deploy Apps, Google AI Studio, Claude Code, Opus 4.5, Sonnet 4.5, Testsprite, MCP, Automated Testing

Видео Google Antigravity + Claude Code 🚀 AI Coding Tips (Adding App Auth) канала Wanderloots