OpenAI on Bruce on AI Engineering

Codex CLI Deep Dive: Setup, Config, and 20+ Power User Tips

Sat, 07 Mar 2026 14:00:00 +0800

Most Codex CLI tutorials stop at “here are the commands.” They translate the docs and call it a day. This guide goes deeper — covering the configuration architecture, security model philosophy, real-world workflow patterns, and honest comparison with Claude Code that you won’t find in surface-level articles.

By the end, you’ll have:

A production-ready Codex CLI configuration you can copy and use immediately
Deep understanding of the sandbox security model and permission system
20+ battle-tested tips for daily development
An objective Claude Code comparison to help you choose the right tool

What Is Codex CLI?

Codex CLI is not “ChatGPT in a terminal.” It’s OpenAI’s local AI coding agent that can:

OpenAI Symphony: From Issue Ticket to Pull Request Without a Developer

Fri, 06 Mar 2026 22:00:00 +0800

What if your issue tracker could fix its own tickets?

OpenAI just open-sourced Symphony, an automation service that monitors your project’s issue tracker (like Linear), spawns autonomous coding agents (like Codex) for each task, and delivers verified pull requests — complete with CI status, code reviews, and walkthrough videos — before a human even looks at the code.

This isn’t another AI code assistant that waits for your prompt. Symphony represents a fundamental shift in how software gets built: from developer-driven coding to project-driven orchestration. In this guide, we’ll break down Symphony’s architecture, explain how it works under the hood, and show you how to set it up for your own projects.

OpenClaw 30-Day Rise: 180K Stars, 40+ Vulnerabilities, OpenAI Acquisition

Mon, 16 Feb 2026 17:14:00 +0800

In January 2026, an Austrian developer released an open-source AI agent called Clawdbot. Thirty days later, it had been renamed three times, collected 180K GitHub stars, patched over 40 security vulnerabilities, spawned the world’s first AI-only social network — and its creator had been hired by Sam Altman.

This is not science fiction. This is the true story of OpenClaw.

Codex CLI Mastery Guide: 20+ Power Tips for Real-World Development

Thu, 12 Feb 2026 16:02:00 +0800

Most Codex CLI tutorials out there simply restate the official docs — listing commands without explaining when to use them, how to combine them, or what pitfalls to avoid.

This guide is different. It starts from real development scenarios and goes beyond the basics, covering the configuration hierarchy, the philosophy behind Codex’s security model, an honest comparison with Claude Code, and advanced techniques the docs barely mention.