So like, I was just trying to show a friend Codex because he was just getting into AI and to my surprise, I couldn't actually get an MCP server installed in Codex because I installed it and then I used it in one thread and it said everything was fine, but then when I went to go use it with his project's thread, it couldn't see it. And I've sat here for 4 hours trying to use codex and other agents to fix this problem like as if it was a configuration problem, and that is not the case, the case is...