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Lightweight coding agent that runs in your terminal
- Rust 96.1%
- Python 2.9%
- Starlark 0.3%
- TypeScript 0.2%
- Shell 0.2%
- Other 0.1%
6e50b22e55## Why The transport in [openai/codex#26242](https://github.com/openai/codex/pull/26242) needs to be used by every remote orchestrator-to-executor connection before JSON-RPC traffic starts. ## Changes - Generates one executor Noise identity when remote exec-server starts and registers its public key. - Creates a harness identity for each physical remote environment connection. - Fetches a fresh registry bundle before connecting and validates the authenticated harness key before completing the executor handshake. - Multiplexes encrypted logical streams over the existing executor WebSocket. - Adds bounded stream, handshake-failure, and reassembly state. - Adds safe lifecycle diagnostics without logging keys, authorizations, plaintext, or ciphertext. - Covers reconnects, replay rejection, validation failure, framing limits, and encrypted JSON-RPC tool traffic. ## Stack 1. [openai/codex#26242](https://github.com/openai/codex/pull/26242): Noise channel and relay transport 2. **[openai/codex#26245](https://github.com/openai/codex/pull/26245)**: remote registration and runtime activation ## Verification - `just test -p codex-exec-server` - `just fix -p codex-exec-server` - `just bazel-lock-check` - `cargo shear` --------- Co-authored-by: Codex <noreply@openai.com> |
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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"
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.