xAI's Grok Build CLI uploads your entire repo. Someone wire-captured Grok Build CLI's harness and it's ugly. All your files. Full git history. Straight to xAI's GCS bucket for training. Grok-4.5 being this good suddenly makes sense. If you used Grok Build and your repo had a .env or any secrets in it, rotate them.
xAI's Grok Build CLI uploads your entire repo.