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Agent IDE — Codex fork for AI-native development environment
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Michael Bolin af215eb390
refactor: decouple shell-escalation from codex-core (#12638) 
## Why

After removing `exec-server`, the next step is to wire a new shell tool
to `codex-rs/shell-escalation` directly.

That is blocked while `codex-shell-escalation` depends on `codex-core`,
because the new integration would require `codex-core` to depend on
`codex-shell-escalation` and create a dependency cycle.

This change ports the reusable pieces from the earlier prep work, but
drops the old compatibility shim because `exec-server`/MCP support is
already gone.

## What Changed

### Decouple `shell-escalation` from `codex-core`

- Introduce a crate-local `SandboxState` in `shell-escalation`
- Introduce a `ShellCommandExecutor` trait so callers provide process
execution/sandbox integration
- Update `EscalateServer::exec(...)` and `run_escalate_server(...)` to
use the injected executor
- Remove the direct `codex_core::exec::process_exec_tool_call(...)` call
from `shell-escalation`
- Remove the `codex-core` dependency from `codex-shell-escalation`

### Restore reusable policy adapter exports

- Re-enable `unix::core_shell_escalation`
- Export `ShellActionProvider` and `ShellPolicyFactory` from
`shell-escalation`
- Keep the crate root API simple (no `legacy_api` compatibility layer)

### Port socket fixes from the earlier prep commit

- Use `socket2::Socket::pair_raw(...)` for AF_UNIX socketpairs and
restore `CLOEXEC` explicitly on both endpoints
- Keep `CLOEXEC` cleared only on the single datagram client FD that is
intentionally passed across `exec`
- Clean up `tokio::AsyncFd::try_io(...)` error handling in the socket
helpers

## Verification

- `cargo shear`
- `cargo clippy -p codex-shell-escalation --tests`
- `cargo test -p codex-shell-escalation`
2026-02-23 20:58:24 -08:00
.codex/skills Add PR babysitting skill for this repo (#12513) 2026-02-22 15:36:28 -08:00
.devcontainer chore: install an extension for TOML syntax highlighting in the devcontainer (#1650) 2025-07-22 10:58:09 -07:00
.github refactor: delete exec-server and move execve wrapper into shell-escalation (#12632) 2026-02-23 20:10:22 -08:00
.vscode Move rust analyzer target dir (#5328) 2025-10-18 17:31:46 -07:00
codex-cli Update pnpm versions to fix cve-2026-24842 (#12009) 2026-02-19 14:27:55 -08:00
codex-rs refactor: decouple shell-escalation from codex-core (#12638) 2026-02-23 20:58:24 -08:00
docs feat: discourage the use of the --all-features flag (#12429) 2026-02-20 23:02:24 -08:00
patches voice transcription (#3381) 2026-02-23 22:15:18 +00:00
scripts bazel: enforce MODULE.bazel.lock sync with Cargo.lock (#11790) 2026-02-14 02:11:19 +00:00
sdk/typescript Update pnpm versions to fix cve-2026-24842 (#12009) 2026-02-19 14:27:55 -08:00
shell-tool-mcp refactor: delete exec-server and move execve wrapper into shell-escalation (#12632) 2026-02-23 20:10:22 -08:00
third_party Add feature-gated freeform js_repl core runtime (#10674) 2026-02-11 12:05:02 -08:00
.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 feat(network-proxy): structured policy signaling and attempt correlation to core (#11662) 2026-02-13 09:01:11 +00:00
.codespellrc feat(network-proxy): structured policy signaling and attempt correlation to core (#11662) 2026-02-13 09:01:11 +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 feat: discourage the use of the --all-features flag (#12429) 2026-02-20 23:02:24 -08:00
announcement_tip.toml nit: test an (#10892) 2026-02-06 14:41:53 +01:00
BUILD.bazel voice transcription (#3381) 2026-02-23 22:15:18 +00:00
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] Fix proc_macro_dep libs (#12274) 2026-02-19 13:38:37 -08:00
flake.lock fix(nix): update flake for newer Rust toolchain requirements (#10302) 2026-01-31 11:34:53 -08:00
flake.nix fix(nix): use correct version from Cargo.toml in flake build (#11770) 2026-02-13 12:19:25 -08:00
justfile feat: discourage the use of the --all-features flag (#12429) 2026-02-20 23:02:24 -08:00
LICENSE Initial commit 2025-04-16 12:56:08 -04:00
MODULE.bazel voice transcription (#3381) 2026-02-23 22:15:18 +00:00
MODULE.bazel.lock voice transcription (#3381) 2026-02-23 22:15:18 +00:00
NOTICE Add feature-gated freeform js_repl core runtime (#10674) 2026-02-11 12:05:02 -08:00
package.json Update pnpm versions to fix cve-2026-24842 (#12009) 2026-02-19 14:27:55 -08:00
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 docs: mention Codex app in README intro (#11926) 2026-02-16 17:35:05 +01:00
SECURITY.md docs: add codex security policy (#12193) 2026-02-19 09:12:59 -08:00

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 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

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.