Introducing the Codex app
Source: OpenAI Date: February 2, 2026 (updated March 4, 2026) Topic: Codex as a multi-agent desktop command center rather than only a terminal tool.
1. Command center for parallel agents
The Codex app is positioned as a dedicated interface for directing multiple agents at once across long-running software tasks. It emphasizes supervision, delegation, and parallel work rather than single-threaded chat.
2. Worktrees and isolated code copies
The app includes built-in worktree support so multiple agents can work on the same repository without colliding. Each agent can operate on an isolated copy of the code while the user reviews progress or checks out changes locally.
3. Skills and Automations
Codex is described as expanding from code generation into broader knowledge and workflow execution through skills. The app also adds scheduled Automations that run in the background and land results in a review queue.
4. Shared cross-surface state
The app reuses session history and configuration from the CLI and IDE extension. OpenAI frames Codex as available across the app, CLI, IDE, web, and cloud, with shared limits and a shared operational model.
5. Security model
OpenAI says the app uses the same configurable system-level sandboxing as Codex CLI. By default, agents are restricted to editing files in their folder or branch and using cached web search, while elevated commands require permission unless project or team rules allow them automatically.