Agent IDE — Codex fork for AI-native development environment
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Michael Bolin 74b2238931
fix: add .git to .bazelignore (#9008)
As noted in the comment, this was causing a problem for me locally
because Sapling backed up some files under `.git/sl` named `BUILD.bazel`
and so Bazel tried to parse them.

It's a bit surprising that Bazel does not ignore `.git` out of the box
such that you have to opt-in to considering it rather than opting-out.
2026-01-10 00:55:02 +00:00
.devcontainer chore: install an extension for TOML syntax highlighting in the devcontainer (#1650) 2025-07-22 10:58:09 -07:00
.github feat: add support for building with Bazel (#8875) 2026-01-09 11:09:43 -08:00
.vscode Move rust analyzer target dir (#5328) 2025-10-18 17:31:46 -07:00
codex-cli fix: add tui.alternate_screen config and --no-alt-screen CLI flag for Zellij scrollback (#8555) 2026-01-09 18:38:26 +00:00
codex-rs Add URL to responses error messages (#8984) 2026-01-10 00:53:47 +00:00
docs Add hierarchical agent prompt (#8996) 2026-01-09 13:47:37 -08:00
patches feat: add support for building with Bazel (#8875) 2026-01-09 11:09:43 -08:00
scripts download new windows binaries when staging npm package (#8203) 2025-12-17 13:34:32 -08:00
sdk/typescript fix: handle early codex exec exit (#8825) 2026-01-07 08:54:27 -08:00
shell-tool-mcp fix: change codex/sandbox-state/update from a notification to a request (#8142) 2025-12-18 15:32:01 -08:00
third_party/wezterm Vendor ConPtySystem (#7656) 2025-12-09 17:23:51 +00:00
.bazelignore fix: add .git to .bazelignore (#9008) 2026-01-10 00:55:02 +00:00
.bazelrc feat: add support for building with Bazel (#8875) 2026-01-09 11:09:43 -08:00
.codespellignore Terminal Detection Metadata for Per-Terminal Scroll Scaling (#8252) 2025-12-18 12:50:00 -08:00
.codespellrc Terminal Detection Metadata for Per-Terminal Scroll Scaling (#8252) 2025-12-18 12:50:00 -08:00
.gitignore gitignore bazel-* (#8911) 2026-01-08 07:50:58 -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 feat: introduce find_resource! macro that works with Cargo or Bazel (#8879) 2026-01-07 18:06:08 -08:00
BUILD.bazel feat: add support for building with Bazel (#8875) 2026-01-09 11:09:43 -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 feat: add support for building with Bazel (#8875) 2026-01-09 11:09:43 -08:00
flake.lock Fix nix build (#4048) 2025-10-17 12:19:08 -07:00
flake.nix Fix nix build (#4048) 2025-10-17 12:19:08 -07:00
justfile feat: add support for building with Bazel (#8875) 2026-01-09 11:09:43 -08:00
LICENSE Initial commit 2025-04-16 12:56:08 -04:00
MODULE.bazel feat: add support for building with Bazel (#8875) 2026-01-09 11:09:43 -08:00
MODULE.bazel.lock feat: add support for building with Bazel (#8875) 2026-01-09 11:09:43 -08:00
NOTICE resizable viewport (#1732) 2025-07-31 00:06:55 +00:00
package.json chore: subject docs/*.md to Prettier checks (#4645) 2025-10-03 11:35:48 -07:00
pnpm-lock.yaml fix: Upgrade @modelcontextprotocol/sdk to ^1.24.0 (#7817) 2025-12-10 10:17:00 -08:00
pnpm-workspace.yaml feat: codex-shell-tool-mcp (#7005) 2025-11-21 08:16:36 -08:00
PNPM.md fix: include pnpm lock file (#377) 2025-04-18 17:01:11 -07:00
README.md Fixed broken link in README (#8682) 2026-01-02 15:23:22 -07:00

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.