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## Why Follow-up to #16379 and #16471. `codex-rs/core/src/tools/spec.rs` still owned the pure discovery-shaping helpers that turn app metadata and discoverable tool metadata into the inputs used by `tool_search` and `tool_suggest`. Those helpers do not need `codex-core` runtime state, so keeping them in `codex-core` continued to blur the crate boundary this migration is trying to tighten. This change keeps pushing spec-only logic behind the `codex-tools` API so `codex-core` can focus on wiring runtime handlers to the resulting tool definitions. ## What Changed - Added `collect_tool_search_app_infos` and `collect_tool_suggest_entries` to `codex-rs/tools/src/tool_discovery.rs`. - Added a small `ToolSearchAppSource` adapter type in `codex-tools` so `codex-core` can pass app metadata into that shared helper logic without exposing `ToolInfo` across the crate boundary. - Re-exported the new discovery helpers from `codex-rs/tools/src/lib.rs`, which remains exports-only. - Updated `codex-rs/core/src/tools/spec.rs` to use those `codex-tools` helpers instead of maintaining local `tool_search_app_infos` and `tool_suggest_entries` functions. - Removed the now-redundant helper implementations from `codex-core`. ## Testing - `cargo test -p codex-tools` - `cargo test -p codex-core tools::spec::tests`
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.