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Michael Bolin
66533ddc61
## Why #17763 moved sandbox-state delivery for MCP tool calls to request `_meta` via the `codex/sandbox-state-meta` experimental capability. Keeping the older `codex/sandbox-state` capability meant Codex still maintained a second transport that pushed updates with the custom `codex/sandbox-state/update` request at server startup and when the session sandbox policy changed. That duplicate MCP path is redundant with the per-tool-call metadata path and makes the sandbox-state contract larger than needed. The existing managed network proxy refresh on sandbox-policy changes is still needed, so this keeps that behavior separate from the removed MCP notification. ## What Changed - Removed the exported `MCP_SANDBOX_STATE_CAPABILITY` and `MCP_SANDBOX_STATE_METHOD` constants. - Removed detection of `codex/sandbox-state` during MCP initialization and stopped sending `codex/sandbox-state/update` at server startup. - Removed the `McpConnectionManager::notify_sandbox_state_change` plumbing while preserving the managed network proxy refresh when a user turn changes sandbox policy. - Slimmed `McpConnectionManager::new` so startup paths pass only the initial `SandboxPolicy` needed for MCP elicitation state. - Kept `codex/sandbox-state-meta` support intact; servers that opt in still receive the current `SandboxState` on tool-call request `_meta` ([remaining call path](https://github.com/openai/codex/blob/ff2d3c1e72ff08ce13743b99605d19d338edd51c/codex-rs/core/src/mcp_tool_call.rs#L487-L526)). - Added regression coverage for refreshing the live managed network proxy on a per-turn sandbox-policy change. ## Verification - `cargo test -p codex-core new_turn_refreshes_managed_network_proxy_for_sandbox_change` - `cargo test -p codex-mcp`
66533ddc61
·
2026-04-15 12:02:40 -07:00
5,392 Commits
npm i -g @openai/codex
or brew install --cask codex
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
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
- 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.