Codex Dream Skin
Reversible runtime visual theming for the Codex desktop app
About Codex Dream Skin
Codex Dream Skin is for people who use coding workspaces for long periods, providing runtime visual customization for the official Codex desktop app. The project uses a local Chromium DevTools Protocol endpoint to verify the expected process and renderer, then injects CSS and a small number of decorative DOM elements; the native interface and real controls remain unchanged. It does not modify the app package or official code signatures, works on macOS and Windows, and can restore the default appearance.
Best for
Best use cases
Adjust the visual atmosphere during long coding sessions
Customize Codex's appearance without changing native controls
Restore the default appearance after use
Features
Runtime theme injection
Injects CSS and decorative DOM elements at runtime through a local Chromium DevTools Protocol endpoint.
Native interface retained
Retains Codex's real interface and controls; the visual theme adds atmosphere.
Reversible restoration
Restores the application's default appearance after use.
Cross-platform operation
Supports macOS and Windows using a local loopback CDP.
Pros
- Does not modify official app packages or code signatures
- Preserves real interface controls
- Reversible theme; restores the default appearance
Cons
- Other processes under the same local user may still access the CDP session; treat it as a sensitive session