Content
A growing collection about Codex, AI systems, and putting new capabilities to work.
01
Guides, cookbooks, and articles published through OpenAI.
4 pieces
A guide to using Codex’s open agent harness, codex exec, the SDK, and app-server to bring full agent workflows into the products, interfaces, and operational systems people already use.
A 25-hour Codex experiment that built a working design tool from a blank repository, and the durable planning and verification practices that kept the run coherent.
A practical guide to weaving coding agents through planning, design, building, testing, review, documentation, and operations—while keeping engineers responsible for judgment and ownership.
A phased playbook for using Codex CLI to modernize a legacy codebase—from a bounded pilot and ExecPlan through discovery, target design, implementation, and parity validation.
02
Long-form experiments and field notes, first published on X.
8 pieces
A practical guide to how ChatGPT, Codex, the Responses API, Agents SDK, and Agents API fit together, with examples showing who runs the agent, where it works, and what developers control.
A practical framework for evaluating Codex by cost per successful task—not raw token use—and connecting spend to accepted outcomes, admin controls, and repeatable enterprise rollouts.
How I use ChatGPT Voice across Work and Codex to think out loud, split messy ideas into parallel tasks, and keep work moving from the desktop app.
A practical experiment in turning a loose startup idea into a working product foundation with the Codex app, GPT-5.5, plugins, and generated business and product artifacts.
03
Talks and practical walkthroughs for getting started with and deploying Codex.
6 pieces
Duration 2:4540 finalist teams advanced from online qualifiers to compete in the main event, co-hosted by Com2uS Chairman Song Byung-jun and attended by legendary game developers including former XLGames CEO Jake Song.
Duration 3:33A short overview of how organizations can deploy Codex while maintaining appropriate controls.
Duration 1:00:00A 60-minute workshop for CTOs, engineering managers, and AI leads on deploying Codex at scale, with governance, rollout patterns, emerging workflows, and live demos from Zapier.
Duration 1:00:00How everyone—not just technical people—can take advantage of Codex to describe work in plain language, delegate tasks, and turn ideas into useful outcomes.
More over time
This archive will grow with new writing, walkthroughs, and field notes.
Follow along on X