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- Added a configurable grace period for discovering tools from optional MCP servers. (#41199) - Extensions can now inspect or replace MCP tool results before they reach the model. (#41202) - Plugin catalogs now combine per-repository configuration and report invalid project marketplaces without hiding valid plugins. (#41208) ## Bug Fixes - Preserved restored permission profiles across TUI turns and prevented `/cd` from weakening sandbox restrictions. (#41192) - Kept tool availability and reasoning effort correct when switching models or falling back to another model. (#41195, #41206) - Improved remote sandbox enforcement using the executor’s actual home directory, operating system, and path conventions. (#41196, #41204, #41207, #41209) - Preserved structured MCP tool and resource errors in app-server responses. (#41196) - Counted nested subagent token usage toward root goal budgets. (#41183) - Prevented stale Guardian classifications from authorizing actions after permission state changes. (#41196) ## Chores - Added telemetry for escalated stdin reviews and remote executor MCP discovery. (#41189, #41205) - Stabilized Guardian WebSocket and core fixture tests under slow or highly concurrent CI. (#41191, #41194) ## Changelog Full Changelog: https://github.com/openai/codex/compare/rust-v0.150.0...rust-v0.151.0 - #41183 Account subagent token usage toward root goals @copyberry - #41189 Instrument stdin review size checks @copyberry - #41191 Stabilize Guardian WebSocket tests @copyberry - #41192 Preserve restored permission profiles in TUI sessions @copyberry - #41193 Report affected capabilities from remote plugin syncs @copyberry - #41194 Harden core test fixture startup assertions @copyberry - #41195 Finalize model-specific tool plans in `ToolRouter` @copyberry - #41196 Improve sandboxing, MCP errors, and cached approvals @copyberry - #41199 Make the optional MCP startup grace configurable @copyberry - #41202 Let extensions process MCP tool results @copyberry - #41204 Propagate executor home directories into sandbox contexts @copyberry - #41205 Track executor MCP discovery telemetry @copyberry - #41206 Make Ultra reasoning fallback model-aware @copyberry - #41207 Propagate executor OS into turn environments @copyberry - #41208 Honor per-repository plugin configuration in catalog requests @copyberry - #41209 Align deny-read matching with executor path semantics @copyberry
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
Run the following on Mac or Linux to install Codex CLI:
curl -fsSL https://chatgpt.com/codex/install.sh | sh
Run the following on Windows to install Codex CLI:
powershell -ExecutionPolicy ByPass -c "irm https://chatgpt.com/codex/install.ps1 | iex"
The standalone installers download from https://releases.openai.com/codex by default and fall back to GitHub Releases if a metadata or asset download is unavailable. To force GitHub Releases, set CODEX_INSTALLER_USE_RELEASES_OPENAI_COM to false (0 and no are also accepted):
curl -fsSL https://chatgpt.com/codex/install.sh | CODEX_INSTALLER_USE_RELEASES_OPENAI_COM=false sh
$env:CODEX_INSTALLER_USE_RELEASES_OPENAI_COM='false'; irm https://chatgpt.com/codex/install.ps1 | iex
Codex CLI can also be installed via the following package managers:
# 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.