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## Why Extension tools that need conversation context should be able to read it from the live tool invocation instead of reaching into thread persistence themselves. ## What changed - Add a `ConversationHistory` snapshot to extension `ToolCall`s and populate it from the current raw in-memory response history. - Expose all history items at this boundary so each extension can filter and bound the subset it needs before consuming or forwarding it. - Cover the adapter and registry dispatch paths and update existing extension tests that construct `ToolCall` literals. ## Test plan - `cargo test -p codex-tools` - `cargo test -p codex-extension-api` - `cargo test -p codex-goal-extension` - `cargo test -p codex-memories-extension` - `cargo test -p codex-core passes_turn_fields_to_extension_call` - `cargo test -p codex-core extension_tool_executors_are_model_visible_and_dispatchable`
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.