Codex CLI Delegate coding tasks to Codex via the Hermes terminal. Codex is OpenAI's autonomous coding agent CLI. When to use Building features Refactoring PR reviews Batch issue fixing Requires the codex CLI and a git repository. Prerequisites Codex installed: OpenAI auth configured: either or Codex OAuth credentials from the Codex CLI login flow Must run inside a git repository — Codex refuses to run outside one Use in terminal calls — Codex is an interactive terminal app For Hermes itself, uses Hermes-managed Codex OAuth from after . For the standalone Codex CLI, a valid CLI OAuth session m…