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f2f80ef442
## Why With deferred executors, a turn can begin before a remote environment attaches. AGENTS.md discovery previously ran only during session setup, so instructions from a later environment never reached the model or the session instruction sources. WorldState persistence has now landed, so this uses the durable model-visible baseline directly instead of carrying a temporary resume/fork compatibility path. ## What - Add an `AgentsMdManager` in `SessionServices` to own host instructions, loaded state, and refresh caching. - When `DeferredExecutor` is enabled, refresh AGENTS.md when attached environment selections change and freeze the result in the corresponding `StepContext`. - Represent AGENTS.md as a persisted WorldState section for every session, with bounded initial, replacement, and removal updates. - Remove duplicate AGENTS.md state and rendering from `SessionConfiguration` and `TurnContext`. - Build initial context, per-request updates, and compaction context from the same step-scoped value. - On resume and fork, compare current instructions with the restored WorldState baseline and inject a replacement exactly once when they differ. Builds on #29833, #29835, and #29837. ## Tests - Covers a remote environment becoming ready mid-turn, with AGENTS.md appearing on the next request exactly once and updating canonical instruction sources. - Covers full, unchanged, replaced, and removed AGENTS.md WorldState rendering. - Covers changed instructions across cold resume and fork without duplicate reinjection. - Covers remote-v2 compaction retaining creation-time instructions in the live session and cold resume appending one replacement when the source changed. - Ran focused `codex-core` AGENTS.md, WorldState, and context-update test suites.
f2f80ef442
·
2026-06-24 22:57:42 -07:00
7,835 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.