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Agent IDE — Codex fork for AI-native development environment
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Max Johnson 7053aa5457
Reapply "Add app-server transport layer with websocket support" (#11370) 
Reapply "Add app-server transport layer with websocket support" with
additional fixes from https://github.com/openai/codex/pull/11313/changes
to avoid deadlocking.

This reverts commit 47356ff83c.

## Summary

To avoid deadlocking when queues are full, we maintain separate tokio
tasks dedicated to incoming vs outgoing event handling
- split the app-server main loop into two tasks in
`run_main_with_transport`
   - inbound handling (`transport_event_rx`)
   - outbound handling (`outgoing_rx` + `thread_created_rx`)
- separate incoming and outgoing websocket tasks

## Validation

Integration tests, testing thoroughly e2e in codex app w/ >10 concurrent
requests

<img width="1365" height="979" alt="Screenshot 2026-02-10 at 2 54 22 PM"
src="https://github.com/user-attachments/assets/47ca2c13-f322-4e5c-bedd-25859cbdc45f"
/>

---------

Co-authored-by: jif-oai <jif@openai.com>
2026-02-11 18:13:39 +00:00
.devcontainer chore: install an extension for TOML syntax highlighting in the devcontainer (#1650) 2025-07-22 10:58:09 -07:00
.github ci: fall back to local Bazel on forks without BuildBuddy key (#11359) 2026-02-10 23:19:55 +00:00
.vscode Move rust analyzer target dir (#5328) 2025-10-18 17:31:46 -07:00
codex-cli # Use @openai/codex dist-tags for platform binaries instead of separate package names (#11339) 2026-02-10 10:33:47 -08:00
codex-rs Reapply "Add app-server transport layer with websocket support" (#11370) 2026-02-11 18:13:39 +00:00
docs tui: keep history recall cursor at line end (#11295) 2026-02-10 17:21:46 +00:00
patches [bazel] Upgrade some rulesets in preparation for enabling windows, part 2 (#11197) 2026-02-09 20:08:10 +00:00
scripts # Use @openai/codex dist-tags for platform binaries instead of separate package names (#11339) 2026-02-10 10:33:47 -08:00
sdk/typescript fix: ensure resume args precede image args (#10709) 2026-02-04 21:19:56 -08:00
shell-tool-mcp fix: remove references to corepack (#10138) 2026-01-28 23:31:25 -08:00
third_party/wezterm Vendor ConPtySystem (#7656) 2025-12-09 17:23:51 +00:00
.bazelignore [bazel] Improve runfiles handling (#10098) 2026-01-29 00:15:44 +00:00
.bazelrc [bazel] Upgrade some rulesets in preparation for enabling windows (#11109) 2026-02-08 13:40:32 -08:00
.bazelversion [bazel] Upgrade to bazel9 (#9576) 2026-01-21 13:25:36 +00:00
.codespellignore Terminal Detection Metadata for Per-Terminal Scroll Scaling (#8252) 2025-12-18 12:50:00 -08:00
.codespellrc TUI footer: right-align context and degrade shortcut summary + mode cleanly (#9944) 2026-01-27 17:43:09 +00:00
.gitignore gitignore bazel-* (#8911) 2026-01-08 07:50:58 -08:00
.markdownlint-cli2.yaml fix(tui): document paste-burst state machine (#9020) 2026-01-13 11:48:31 -08:00
.npmrc chore: migrate to pnpm for improved monorepo management (#287) 2025-04-18 16:25:15 -07:00
.prettierignore [apply-patch] Clean up apply-patch tool definitions (#2539) 2025-08-21 20:07:41 -07:00
.prettierrc.toml Initial commit 2025-04-16 12:56:08 -04:00
AGENTS.md Try to stop small helper methods (#11203) 2026-02-09 20:01:30 +00:00
announcement_tip.toml nit: test an (#10892) 2026-02-06 14:41:53 +01:00
BUILD.bazel [bazel] Upgrade some rulesets in preparation for enabling windows (#11109) 2026-02-08 13:40:32 -08:00
CHANGELOG.md Documentation improvement: add missing period (#3754) 2025-10-30 13:01:33 -07:00
cliff.toml docs(changelog): update install command to @openai/codex@<version> (#2073) 2025-10-18 11:02:22 -07:00
defs.bzl [bazel] Upgrade some rulesets in preparation for enabling windows, part 2 (#11197) 2026-02-09 20:08:10 +00:00
flake.lock fix(nix): update flake for newer Rust toolchain requirements (#10302) 2026-01-31 11:34:53 -08:00
flake.nix fix(nix): update flake for newer Rust toolchain requirements (#10302) 2026-01-31 11:34:53 -08:00
justfile feat: add --experimental to generate-ts (#10402) 2026-02-02 20:30:01 +00:00
LICENSE Initial commit 2025-04-16 12:56:08 -04:00
MODULE.bazel [bazel] Upgrade some rulesets in preparation for enabling windows, part 2 (#11197) 2026-02-09 20:08:10 +00:00
MODULE.bazel.lock Extract codex-config from codex-core (#11389) 2026-02-11 10:02:49 -08:00
NOTICE resizable viewport (#1732) 2025-07-31 00:06:55 +00:00
package.json update the ci pnpm workflow for shell-tool-mcp to use corepack for pnpm versioning (#10115) 2026-01-28 16:30:48 -07:00
pnpm-lock.yaml chore: ensure pnpm-workspace.yaml is up-to-date (#10140) 2026-01-29 10:49:03 -08:00
pnpm-workspace.yaml chore: ensure pnpm-workspace.yaml is up-to-date (#10140) 2026-01-29 10:49:03 -08:00
rbe.bzl fix: support remote arm64 builds, as well (#9018) 2026-01-10 18:41:08 -08:00
README.md Fix npm README image link (#10303) 2026-01-31 20:33:06 +00:00

README.md

npm i -g @openai/codex
or brew install --cask codex

Codex CLI is a coding agent from OpenAI that runs locally on your computer.

Codex CLI splash


If you want Codex in your code editor (VS Code, Cursor, Windsurf), install in your IDE.
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
  • Linux
    • x86_64: codex-x86_64-unknown-linux-musl.tar.gz
    • arm64: codex-aarch64-unknown-linux-musl.tar.gz

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.