# Codex CLI

> Add the usedocs MCP server to Codex and sign in.

Add this to `~/.codex/config.toml`:

```toml
[mcp_servers.usedocs]
url = "https://usedocs.app/mcp/admin"
```

Then sign in from your terminal with `codex mcp login usedocs`, and run `/mcp` in a Codex session to check it's connected.