numman-ali/opencode-openai-codex-auth
An OAuth authentication plugin that enables the opencode AI coding assistant to authenticate with OpenAI's ChatGPT/Codex backend services.
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This repository provides an authentication plugin for the opencode CLI tool, allowing developers to access OpenAI’s GPT-5.x and Codex models through ChatGPT Plus/Pro OAuth. It implements OpenAI’s official authentication method and provides model presets for the opencode coding assistant. Once installed, users can authenticate via the CLI and run AI-assisted coding tasks with specified models and variants.