Video Library

Project-based video training & tutorials for building with AI.
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?
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Building a PDF Invoice Generator using Cursor 2.0 & Composer
In this video, I show how to build a fully automated PDF invoice system in Rails—from Stripe test data to downloadable invoices—using Cursor 2.0 and their new Composer model.
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Pro
Is Codex CLI Worth The Switch (from Claude Code)?
I've been a daily Claude Code user for most of this year but I wanted to give Codex CLI a look, since OpenAI has been making an obvious effort to win back developers.
Builder Methods

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.

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