
OpenAI's open-source terminal coding agent (Rust). Runs interactively, headless via `codex exec`, or as an MCP server via `codex mcp`. Sandboxes edits locally.
Codex CLI is OpenAI's open-source (Rust) coding agent that runs in your terminal. It reads your repo, plans, edits files, and runs commands inside an OS-level sandbox (seatbelt/landlock) with configurable approval policies. It's primarily wired to OpenAI models but the config sup…