Agent IDE — Codex fork for AI-native development environment
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leezenn 0c1658d0ec
ci: prevent workflows from running on forks (#8629)
## Summary

Forked repositories inherit GitHub Actions workflows including scheduled
ones. This causes:

1. **Wasted Actions minutes** - Scheduled workflows run on forks even
though they will fail
2. **Failed runs** - Workflows requiring `CODEX_OPENAI_API_KEY` fail
immediately on forks
3. **Noise** - Fork owners see failed workflow runs they didn't trigger

This PR adds `if: github.repository == 'openai/codex'` guards to
workflows that should only run on the upstream repository.

### Affected workflows

| Workflow | Trigger | Issue |
|----------|---------|-------|
| `rust-release-prepare` | `schedule: */4 hours` | Runs 6x/day on every
fork |
| `close-stale-contributor-prs` | `schedule: daily` | Runs daily on
every fork |
| `issue-deduplicator` | `issues: opened` | Requires
`CODEX_OPENAI_API_KEY` |
| `issue-labeler` | `issues: opened` | Requires `CODEX_OPENAI_API_KEY` |

### Note

`cla.yml` already has this guard (`github.repository_owner ==
'openai'`), so it was not modified.

## Test plan

- [ ] Verify workflows still run correctly on `openai/codex`
- [ ] Verify workflows are skipped on forks (can check via Actions tab
on any fork)
2026-01-03 13:12:16 -07:00
.devcontainer chore: install an extension for TOML syntax highlighting in the devcontainer (#1650) 2025-07-22 10:58:09 -07:00
.github ci: prevent workflows from running on forks (#8629) 2026-01-03 13:12:16 -07:00
.vscode Move rust analyzer target dir (#5328) 2025-10-18 17:31:46 -07:00
codex-cli fix(codex-cli): improve ripgrep download diagnostics (#8486) 2025-12-23 21:18:35 +00:00
codex-rs fix: brighten transcript copy affordance (#8697) 2026-01-03 11:45:50 -08:00
docs perf(tui2): cache transcript view rendering (#8693) 2026-01-03 11:44:27 -08:00
scripts download new windows binaries when staging npm package (#8203) 2025-12-17 13:34:32 -08:00
sdk/typescript feat(sdk): add xhigh reasoning effort support to TypeScript SDK (#8108) 2025-12-16 11:32:27 -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
.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 Update system skills bundled with codex-rs (#8253) 2025-12-18 14:30:00 -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 codex-utils-cargo-bin as an alternative to assert_cmd::Command (#8496) 2025-12-23 19:29:32 -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
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 chore: update outdated docs (#8701) 2026-01-03 02:19:52 -08:00
LICENSE Initial commit 2025-04-16 12:56:08 -04:00
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.