Codex uses both config.toml and auth.json. OcHub manages them as one
connection without pretending that an API key is an official login. Choose a
guide below.
Configure Codex
Choose an authentication mode, configure a Responses upstream, manage models and reasoning, official login, history, MCP, and skills.
Advanced Codex pitfalls
Launch Codex with native Fast and Ultra, keep ChatGPT login while using a model provider, and understand compaction, WebSocket, and local session history.