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Ahmed Ibrahim
f8937b7d86
## Why MCP authentication has distinct OAuth and ChatGPT-session flows. Representing that choice as `use_chatgpt_auth` makes one flow implicit and allows the configuration model to express the distinction only through a boolean. ChatGPT credential forwarding also needs a first-party trust boundary. A configurable `chatgpt_base_url` controls routing, but must not grant an MCP server permission to receive session credentials. This change builds on #29733, where the boolean was introduced. ## What changed - Replace `use_chatgpt_auth` with an `auth` field backed by the exhaustive `McpServerAuth` enum. - Support `auth = "oauth"` and `auth = "chatgpt"`, with OAuth remaining the default. - Trust only the origin derived from the existing hardcoded `CHATGPT_CODEX_BASE_URL` when granting ChatGPT auth to an MCP server. - Keep configured bearer tokens and authorization headers ahead of the selected authentication flow. - Update config writers, schema output, fixtures, and integration-test setup to use the enum. ## Verification Integration coverage exercises the complete streamable HTTP startup path in two independent configurations: - A directly constructed MCP configuration verifies that matching an overridden `chatgpt_base_url` does not grant ChatGPT auth. - A persisted `config.toml` containing an attacker-controlled `chatgpt_base_url` and `auth = "chatgpt"` verifies the same boundary through normal config parsing. Both tests complete MCP initialization and tool listing and assert that the full captured request sequence contains no authorization headers. Separate integration coverage verifies that configured authorization takes precedence over ChatGPT auth.
f8937b7d86
·
2026-06-24 19:51:51 -07:00
7,825 Commits
Codex CLI is a coding agent from OpenAI that runs locally on your computer.
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
Run the following on Mac or Linux to install Codex CLI:
curl -fsSL https://chatgpt.com/codex/install.sh | sh
Run the following on Windows to install Codex CLI:
powershell -ExecutionPolicy ByPass -c "irm https://chatgpt.com/codex/install.ps1 | iex"
Codex CLI can also be installed via the following package managers:
# 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
- Apple Silicon/arm64:
- Linux
- x86_64:
codex-x86_64-unknown-linux-musl.tar.gz - arm64:
codex-aarch64-unknown-linux-musl.tar.gz
- x86_64:
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, Business, 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.