Codex CLI Pro Powershell - GPT-5 automode with Search

cdx.ps1

# based on https://x.com/iannuttall/status/1967902687078519225
# MacOS ~/.config/powershell/profile.ps1

function cdx {
    param(
        [string]$Command,
        [Parameter(ValueFromRemainingArguments=$true)]
        [string[]]$Arguments
    )

    if ($Command -eq "update") {
        npm install -g @openai/codex@latest
    } else {
        $searchArgs = @($Command) + $Arguments
        codex --model 'gpt-5-codex' --full-auto -c model_reasoning_summary_format=experimental --search @searchArgs
    }
}