Invite guest in the user's own Riverside account from ChatGPT, Claude or any AI agent. Returns how to do it in Riverside step by step (screens, buttons, fields) and opens nothing by itself; then do it with the cotlet_browser_* tools in the user's Riverside Cloud Browser. Riverside's official API: Riverside has a Business API for select Business accounts only, with a key from your customer success manager, and it mostly gets or deletes recordings and lists scheduled events (checked 11 Oct 2026).