Video Library

Agent OS v2 Demo
Agent OS v2 is here: It's my free, open-source system that trains your AI coding agents to build like YOU—with ANY AI tool (Claude Code, Cursor, Codex, Gemini, or any other). This is the official demo, walkthrough and overview of what's new in Agent OS V2.
New
Implementing Member Profiles and Enhancements
In this video, I walk through the implementation of a complex member profile feature for our platform, which includes user-generated usernames, experiences, and interests. After testing, I encountered some issues, particularly with the display and functionality of these features, which I addressed with the help of AI. I also made...
New
Pro
Member Profiles: Design & spec for this new feature
In this video, I’m excited to kick off the development of a new feature for Builder Methods Pro: member profiles. This feature will allow pro members to create and publish their own profile pages, showcasing their expertise, interests, and contact information, while being visible only to other members. I walk...
New
Pro
Spec-Driven Development in the Real World
The industry is converging on spec-driven development as the professional way to build with AI, but most tools are missing 3 critical aspects that make it actually work in the real world. I'll show you what's missing from most tools, plus how I solve these gaps with Agent OS to...
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.
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.

© 2025 CasJam Media, LLC / Builder Methods
Contact