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## Why When a user runs `/goal` in a temporary session, the TUI can currently surface an internal app-server failure such as `thread/goal/get failed in TUI`. That message is technically true, but it does not explain the actual constraint: goals require a saved session because goal state is persisted with the thread. This is especially confusing when `codex doctor` reports the background app-server as running in ephemeral mode, since that wording is easy to conflate with ephemeral thread/session behavior. ## What changed - Added a TUI-side formatter for thread-goal RPC failures in `codex-rs/tui/src/app/thread_goal_actions.rs`. - Detects app-server/core errors that indicate goals are unsupported for an ephemeral thread/session. - Replaces the internal RPC failure with a user-facing explanation: ```text Goals need a saved session. This session is temporary. Run `codex` to start a saved session, or `codex resume` / `/resume` to reopen one. ``` - Preserves the existing generic failure wording for non-ephemeral goal errors. ## Verification - `cargo test -p codex-tui thread_goal_error_message --lib` I also tried `cargo test -p codex-tui`; it built successfully but the test runner aborted in an unrelated side-thread stack overflow (`app::tests::discard_side_thread_removes_agent_navigation_entry`), which reproduced when run by itself.
npm i -g @openai/codex
or brew install --cask codex
Codex CLI is a coding agent from OpenAI that runs locally on your computer.
If you want Codex in your code editor (VS Code, Cursor, Windsurf), install in your IDE.
If you want the desktop app experience, run
codex app or visit the Codex App page.
If you are looking for the cloud-based agent from OpenAI, Codex Web, go to chatgpt.com/codex.
Quickstart
Installing and running Codex CLI
Install globally with your preferred package manager:
# Install using npm
npm install -g @openai/codex
# Install using Homebrew
brew install --cask codex
Then simply run codex to get started.
You can also go to the latest GitHub Release and download the appropriate binary for your platform.
Each GitHub Release contains many executables, but in practice, you likely want one of these:
- macOS
- Apple Silicon/arm64:
codex-aarch64-apple-darwin.tar.gz - x86_64 (older Mac hardware):
codex-x86_64-apple-darwin.tar.gz
- Apple Silicon/arm64:
- Linux
- x86_64:
codex-x86_64-unknown-linux-musl.tar.gz - arm64:
codex-aarch64-unknown-linux-musl.tar.gz
- x86_64:
Each archive contains a single entry with the platform baked into the name (e.g., codex-x86_64-unknown-linux-musl), so you likely want to rename it to codex after extracting it.
Using Codex with your ChatGPT plan
Run codex and select Sign in with ChatGPT. We recommend signing into your ChatGPT account to use Codex as part of your Plus, Pro, Business, Edu, or Enterprise plan. Learn more about what's included in your ChatGPT plan.
You can also use Codex with an API key, but this requires additional setup.
Docs
This repository is licensed under the Apache-2.0 License.