yynxxxxx/Codex-X

What it solves

Codex-X addresses the friction of managing complex configurations for the OpenAI Codex desktop and CLI tools. Instead of manually editing multiple TOML and JSON files to change prompt templates, switch API providers, or manage session histories, users can handle everything through a centralized visual interface.

How it works

Built with Tauri, React, and Rust, Codex-X acts as a management layer over the Codex configuration directory. It reads and writes to config.toml and auth.json, allowing users to inject prompt templates into the system, toggle between official OpenAI and third-party API endpoints, and organize local chat sessions. It also integrates with GitHub to automatically sync and update a library of specialized prompt templates.

Who it’s for

It is designed for power users of OpenAI Codex, specifically those involved in software development, security research, and reverse engineering who frequently switch between different LLM personas, API providers, and specialized "Skills" or MCP (Model Context Protocol) configurations.

Highlights

• Visual Prompt Injection: Manage, categorize, and toggle prompt templates (including built-in and custom Markdown files) with options to either append to or replace existing prompts.
• API Provider Management: Easily add, test, and switch between official OpenAI and third-party API providers, including support for importing from cc-switch.
• Session Organization: Search, group by project path, and permanently delete local chat sessions.
• Skills & MCP Control: Visual interface to install, enable, disable, and update Skills and MCP servers without manual file editing.
• Configuration Transparency: Direct viewing and editing of config.toml and auth.json with automatic backups before critical writes.