Michael Bolin
a99d4845e3
## Why `codex-core` already owns too much of the tool stack, and `AGENTS.md` explicitly pushes us to move shared code out of `codex-core` instead of letting it keep growing. This PR takes the next incremental step in moving `core/src/tools` toward `codex-rs/tools` by extracting low-coupling tool configuration and image-detail gating logic into `codex-tools`. That gives later extraction work a cleaner boundary to build on without trying to move the entire tools subtree in one shot. ## What changed - moved `ToolsConfig`, `ToolsConfigParams`, shell backend config, and unified-exec session selection from `core/src/tools/spec.rs` into `codex-tools` - moved original image-detail gating and normalization into `codex-tools` - updated `codex-core` to consume the new `codex-tools` exports and pass a rendered agent-type description instead of raw role config - kept `codex-rs/tools/src/lib.rs` exports-only, with extracted unit tests living in sibling `*_tests.rs` modules ## Testing - `cargo test -p codex-tools` - `cargo test -p codex-core --lib tools::spec::`
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, Team, 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.