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## Why When a turn exposes multiple selected environments, shell-style tools need a model-facing way to identify the intended target environment and handlers need to resolve that target before parsing cwd-relative permission fields or launching processes. This PR scopes that rollout to process tools. Filesystem-oriented tools such as `apply_patch`, `view_image`, and `list_dir` are intentionally left for follow-up slices. ## What Changed - Adds an `include_environment_id` option to shell-style tool schema builders. - Exposes optional `environment_id` on `shell`, `shell_command`, and `exec_command` only when `ToolEnvironmentMode::Multiple` is active. - Adds a shared handler helper that parses `environment_id` and `workdir` from JSON function-call arguments and returns the selected `Environment` plus effective absolute cwd. - Uses that helper in `shell`, `shell_command`, and `exec_command` handling so process execution uses the selected environment filesystem and cwd. - Changes `ExecCommandRequest` to carry a required resolved `cwd`, removing the process-manager fallback to the primary turn cwd for new exec commands. - Leaves `write_stdin` unchanged because it targets an existing process id, not a new environment. ## Testing - Added unit coverage for process-tool schema exposure, selected environment resolution, primary fallback, no-environment handling, unknown environment ids, and resolving cwd-relative permission paths against the selected environment cwd. - Added a remote-suite e2e coverage case for `exec_command` routing across explicit zero environments, one local environment, and local+remote environments. - Ran `just fmt` and `git diff --check`. --------- Co-authored-by: Codex <noreply@openai.com>
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.