Support HTTP type MCP server

Question

### What version of Codex is running?

0.41.0

### Which model were you using?

gpt-5

### What platform is your computer?

Darwin 24.1.0 arm64 arm

### What steps can reproduce the bug?

I would like to know how to add an mcp server like GitHub to the codex

Claude's command is as follows
```shell
claude mcp add --transport http github https://api.githubcopilot.com/mcp -H "Authorization: person token"
```

How should I write it in codex?

### What is the expected behavior?

_No response_

### W