AI settings
Get one at console.anthropic.com. With your own key, calls go straight to Anthropic and are billed to it instead of credits.
Screenshots and reference photos let it check its work and copy real things; web lookups find references and real sizes (web search $0.01 each, plus up to $0.032 per page it reads). Both are off on free messages.
Tell it what you want — rooms, props, portals, fixes. It edits the open world with real tools; Ctrl+Z undoes everything.