Read sleep and HRV in the user's own Garmin Connect account from ChatGPT, Claude or any AI agent. Returns how to do it in Garmin Connect step by step (screens, buttons, fields) and opens nothing by itself; then do it with the cotlet_browser_* tools in the user's Garmin Connect Cloud Browser. Garmin Connect's official API: Yes, in part (checked 27 Oct 2026).