# CodeX

Codex Desktop App Hands-On Tutorial: 15 Use Cases from Beginner to Advanced

A detailed guide to 15 core use cases for OpenAI's Codex desktop app, covering file management, website development & deployment, browser control, Computer Use, Skills, MCP services, and automation.

Hermes Agent Desktop App: The Self-Evolving Open-Source AI Agent

Hermes Agent Desktop App: The Self-Evolving Open-Source AI Agent

Deep dive into Hermes Agent desktop app: closed-loop learning, persistent cross-session memory, multi-agent management, and tool integration. Discover how this open-source AI agent self-evolves to become a true productivity powerhouse.

Harness Engineering Explained: Building Stable and Efficient Work Systems for AI

Deep Dives

Harness Engineering Explained: Building Stable and Efficient Work Systems for AI

Deep dive into Harness Engineering: how to build execution environments, toolchains, and feedback loops for AI. From Prompt Engineering to system-level engineering for stable AI production.

Qwen Launches 400+ New Features as Wenxin 5.0 and Multiple LLMs Drop Simultaneously

Tech Frontiers

Qwen Launches 400+ New Features as Wenxin 5.0 and Multiple LLMs Drop Simultaneously

Alibaba's Qwen APP launches 400+ features integrating Alipay and Taobao, Baidu releases ERNIE 5.0, Meituan unveils deep reasoning model, StepFun tops global speech AI rankings, and Anthropic's share nears Google's.

The Big Four AI Coding CLIs Compared: Claude Code vs. Copilot vs. Gemini vs. Codex — How to Choose

The Big Four AI Coding CLIs Compared: Claude Code vs. Copilot vs. Gemini vs. Codex — How to Choose

In-depth comparison of Claude Code, Copilot CLI, Gemini CLI, and Codex CLI — covering MCP support, context windows, open-source status, pricing, and a decision tree for choosing the right tool.

Agent Skills Decision Trees: Enabling Autonomous Decision-Making for AI Coding Assistants

Agent Skills Decision Trees: Enabling Autonomous Decision-Making for AI Coding Assistants

Learn how to embed decision tree logic in Agent Skills to give AI coding assistants like Antigravity and Claude Code autonomous decision-making. Includes a Code Review Router case study with complexity scoring and failover.

Frontend Engineers Leveling Up to AI Agents: LangGraph.js Architecture Design & Practical Guide

Frontend Engineers Leveling Up to AI Agents: LangGraph.js Architecture Design & Practical Guide

How can frontend engineers advance into AI Agent development? This guide covers LangGraph.js core architecture (state, nodes, edges), LangChain comparison, and workflow agent design with practical examples.

One Command to Use GPT-5.5 for Free wi…

One Command to Use GPT-5.5 for Free with OpenClaw

Learn how to configure OpenClaw AI coding assistant with one command to call OpenAI's GPT-5.5 model via the Codex plugin, reusing your GPT membership at zero extra cost.

Running Out of Codex Credits? AnySearc…

Running Out of Codex Credits? AnySearch Skill Saves You Massive Token Overhead

Real-world testing shows AnySearch Skill saves ~27% Token overhead for Codex while significantly improving search quality. Learn how it works, how to install it, and when to use it.

AI Code Explanation: Quickly Understan…

AI Code Explanation: Quickly Understand Someone Else's C# Code

Learn how AI code explanation helps C# developers quickly understand others' code. A 3-step demo with Tongyi Lingma for code handoffs, Code Review, and legacy system maintenance.

Trae Solo In-Depth Review: Is ByteDanc…

Trae Solo In-Depth Review: Is ByteDance's Free AI Coding Tool Actually Usable?

In-depth review of ByteDance's Trae Solo free AI coding tool, evaluating token quotas, 6-project concurrency, cross-platform sync, and model quality for domestic individual developers.

GPT-5 Codex Deep Dive: 93% Token Savin…

GPT-5 Codex Deep Dive: 93% Token Savings But Tool Ecosystem Still Needs Work

Deep testing GPT-5 Codex: 93.7% Token savings on simple tasks with deeper reasoning on complex ones. But UI quality drops, search is poor, and tool ecosystem fragmentation remains a major issue.

The AI Website Building Formula: Creat…

The AI Website Building Formula: Create Professional Video Websites from Scratch with Zero Coding Skills

Can't code but want a professional website with video? This article breaks down an AI website building formula: borrow aesthetics from great sites, replicate with AI tools like Kimi, and add personalized video content—all in minutes.

How Codex Tracked Down a Bug: From Err…

How Codex Tracked Down a Bug: From Error Message to Open Source Fix

A developer used OpenAI Codex to debug a recurring browser extension error. Codex read the source code, identified a Chrome sleep mechanism flaw, and auto-generated a bug report that led to an open-source fix.

Deep Dive into OpenAI Codex Plugin System: Architecture, Installation, and Hands-On Development

Deep Dive into OpenAI Codex Plugin System: Architecture, Installation, and Hands-On Development

Deep dive into OpenAI Codex plugin system architecture (Skills, Apps, MCP Server), four installation methods, and a macOS app development case study showing how plugins boost AI coding efficiency.

Codex++: Connect Codex to DeepSeek, GL…

Codex++: Connect Codex to DeepSeek, GLM, and Other Chinese LLMs

Codex++ is a free open-source tool that connects Codex to DeepSeek, GLM, and other Chinese LLMs while unlocking plugin features in API mode. Full setup guide included.

Advanced Codex Tips: Building a Cursor…

Advanced Codex Tips: Building a Cursor-Level Development Experience

Advanced OpenAI Codex tips including sidebar shortcuts, batch Agent sub-tasks, session management, and environment setup to create a Cursor-level development experience.

OpenAI Codex Deep Dive: How Does the A…

OpenAI Codex Deep Dive: How Does the Async AI Coding Agent Actually Perform?

Deep dive testing OpenAI Codex cloud coding agent on a 50K-user production codebase, covering bug fixes, prompt optimization, and frontend UI tasks, with insights on the 30% completion rate value.

Windows Codex Experience: Not an IDE, …

Windows Codex Experience: Not an IDE, But an AI Project Manager

Deep dive into OpenAI's Codex desktop app and its unique role as an AI project manager. From parallel multi-project management to minimalist design, see how it fills a gap in the Vibe Coding ecosystem.

OpenAI Codex Multimodal in Practice: T…