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## Why
Environment skill discovery needs two independent pieces of information:
- plugin namespaces from `plugin.json` files; and
- skill metadata from each `SKILL.md` file.
Today these happen in sequence. Codex waits for every plugin namespace
lookup to finish before it starts reading any skill files. On a remote
executor, that creates an avoidable network-latency barrier.
```text
before: walk -> namespace lookups -> skill reads -> build catalog
after: walk -> namespace lookups ─┐
-> skill reads ───────┴-> build catalog
```
## What changes
- Read and parse skill files without waiting for plugin namespace
discovery.
- Resolve root and nested plugin namespaces concurrently.
- Join both results only when constructing the final qualified skill
names.
- Keep the existing 64-skill concurrency bound, output ordering,
warnings, metadata behavior, and namespace rules.
## Testing
The regression test makes plugin manifest lookup wait until a `SKILL.md`
read has started. The old serialized pipeline would time out; the new
pipeline completes and still returns the correctly namespaced skill.
`just test -p codex-core-skills` passes all 111 tests.
## Out of scope
This does not add an exec-server endpoint, batch filesystem calls, or
reduce the number of files transferred. A frontmatter-only read or
server-side skill catalog can remain a separate follow-up if benchmarks
show that transferred bytes are the next bottleneck.
a938d5f607
·
2026-06-26 18:37:59 +00:00
7,889 Commits
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.