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Codex Ruby on Rails

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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Comparing Multiple Agents' Work with Git Worktrees & Cursor

I demonstrate my workflow for running multiple AI coding agents (Claude Sonnet 4.5 and Cursor's Composer 1) in parallel on the same feature, then comparing their work to choose the best implementation. The focus is on solving the practical challenges of reviewing agent work in git worktrees by using a branch-based approach that makes testing, debugging, and merging much more manageable.

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Pro

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

Video Library Feature: Spec, Implementation, Polish

This video shows my process of spec'ing and implementing the Video Library feature here on buildermethods.com, including implementing filters and ensuring consistent design and use of UI components across both the video library and members directory areas.

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Pro

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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