Coding agents- 129K stars
- Apache-2.0
- Updated 2026-10-15
Where it sits
- Modelthe weights
- Runtimeruns & routes it
- Codex CLIHarnessmakes it act
- Memorymakes it remember
- Toolsgives it hands
Catalog entryVerified it exists. Install steps not tested yet.
Repo
---
schema: "https://insidethemachine.ai/schema/listing.schema.json"
slug: "codex-cli"
name: "Codex CLI"
kind: "repo"
tier: "catalog"
category: "coding"
category_label: "Coding agents"
stack_layer: "harness"
homepage: null
repo: "https://github.com/openai/codex"
license: "Apache-2.0"
stars: 129383
last_push: "2026-10-15"
archived: false
tags: []
seen_in_videos: []
gap_score: null
gap_score_status: "pending test on Mac Studio"
verified_on: "2026-10-15"
---
# Codex CLI
**What:** OpenAI's lightweight terminal coding agent.
**Why:** Turns a model into something that edits your code.
**Category:** Coding agents · **Stack layer:** harness
## Status
Catalog entry. Existence and repo metadata checked 2026-10-15 via the GitHub API. Install commands below are auto-extracted from the README and have NOT been executed or verified. Read the README before running anything; prefer a sandbox or venv.
## Install (unverified)
1. [any] source: README (auto-extracted); status: unverified, not executed
```bash
curl -fsSL https://chatgpt.com/codex/install.sh | sh
```
2. [any] source: README (auto-extracted); status: unverified, not executed
```bash
npm install -g @openai/codex
```
3. [macos] source: README (auto-extracted); status: unverified, not executed
```bash
brew install --cask codex
```
## Verify
No verified check yet. Minimum: the install command exits 0 and the tool's own help/version flag runs (exact flag: see README).
## Rollback (unverified)
1. source: derived inverse of install command
```bash
npm uninstall -g @openai/codex
```
2. source: derived inverse of install command
```bash
brew uninstall --cask codex
```
## Links
- Repo: https://github.com/openai/codex
- README: https://github.com/openai/codex#readme