Codex++ is a tweak system for the OpenAI Codex desktop app that allows users to inject custom features, fix UI bugs, and manage tweaks without rebuilding the application.
It functions by patching the local app to load a runtime that dynamically discovers and manages user-provided tweaks.
- 01
Local tweak manager with in-app settings integration
- 02
Support for renderer and main-process tweaks
- 03
Automatic patch watcher to re-apply modifications after app updates
- 04
Native bridge APIs for advanced macOS tweaks using AppKit and Metal
- 05
CLI tools for installation, debugging, and tweak development
Open Source
Free and open-source under the MIT license.
Best for
Power users who want to extend the functionality of the Codex desktop app with custom tweaks and native integrations.
Not ideal for
Users who prefer not to modify their installed application files or those who rely on official updates without needing to manage potential patch conflicts.
An essential, powerful tool for power users seeking to customize the Codex desktop experience, though it requires occasional maintenance after official app updates.
Version 1.0.0 introduced cleaner patching, enhanced debug output, Owl runtime detection, browser-host debugging, and expanded native bridge support for AppKit, Metal, and helper processes.
As of
Is Codex++ free?+
Yes - Codex++ is Open Source. Free and open-source under the MIT license.
Is Codex++ open source?+
Yes - Codex++ is open source. Free and open-source under the MIT license.
Who is Codex++ best for?+
Power users who want to extend the functionality of the Codex desktop app with custom tweaks and native integrations.
Who is Codex++ not ideal for?+
Users who prefer not to modify their installed application files or those who rely on official updates without needing to manage potential patch conflicts.
What are the best Codex++ alternatives?+
The closest Codex++ alternatives on ai.dosa.dev are GitHub Copilot, Junie, Gemini Code Assist - all listed under IDE Extensions & Plugins.
Who makes Codex++?+
Codex++ is developed by b-nnett. It is listed in the IDE Extensions & Plugins category on ai.dosa.dev.
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