OpenAI / ChatGPT

Developer guides for ChatGPT, OpenAI Platform, Codex, Apps, Agents, GPTs, and workflows.

📄️ChatGPT Developer Guide

Practical developer guide to ChatGPT, Apps, Agents, Projects, GPTs, Skills, Codex, Deep Research, and the OpenAI Platform.

Practical guide for the Codex app, VS Code extension, and CLI on Windows with WSL2.

Practical guide for deciding when to use AGENTS.md, skills, custom subagents, MCP, plugins, or the OpenAI Agents SDK.