MCP server for integrating xAI's Grok model into OpenAI Codex Desktop/GUI, enabling direct Grok calls via chat completions or responses with OAuth or API key authentication.
MCP server that enables calling Anthropic Claude models from OpenAI Codex Desktop/GUI, supporting API key or OAuth authentication and providing chat, model listing, and diagnostic tools.
A provider-neutral orchestration plugin for Codex that manages multi-step recipe planning, context policies, and verification hints, while allowing leaf MCPs to be called directly.