Video Library

Project-based video training & tutorials for building with AI.

Unlock Full Access

Get unlimited access to the complete video library, exclusive training, and join our community of pro developers building with AI.

Learn More

Topics

Gemini Mindset Codex GitHub

I want to like Google Antigravity, but...

I was genuinely excited about Google Antigravity's fresh ideas for the agentic IDE—multi-project management, multi-agent orchestration, and that clever screen recording review process. But when I actually tried to build with it... Well, you'll see...

New

Using Claude GitHub Actions as a cloud coding agent

Here's a great way to tackle your backlog of GitHub issues by simply mentioning Claude in your GitHub comments. Watch me do this on the builder methods site using the Claude GitHub actions integration.

New

Pro

Claude Opus 4.5 vs. Google Gemini 3: Design & build an app

Let's compare Claude Opus 4.5 and Google Gemini 3 to see how they stack up when it comes to planning, designing frontend and backend for a new app! Plus how I evaluate new frontier models when they drop...

New

Claude Code vs. Cursor vs. Codex: Cloud Agents Showdown

Cloud-based coding agents from Claude Code on the Web, Cursor Cloud Agents, and Codex all promise the same thing: kick off a task, walk away, and come back to a completed pull request. But do they actually deliver? And more importantly, which one fits into your real-world development workflow?

New

Finding FLOW with AI Coding Agents

Remember what FLOW used to feel like? Hours would disappear. It felt amazing—that perfect flow state where you're crafting software with your hands. Well I'm noticing a new flow emerging when I'm building products using AI. I'm finding that this new rhythm of development has a repeating 3-step cycle.

Training & community for pro software developers building with AI.

Created by Brian Casel (that's me). I'm a career software developer, founder, and creator of Builder Methods and Agent OS, the system for spec-driven development with AI.

Free Resources

Agent OS Design OS Builder Briefing YouTube Channel About

Training & Community

Builder Methods Pro Workshops Video Library Login

Contact