xai-org/grok-build, now open source

Simon Willison · 15 hours ago

xAI open-sourced its Grok Build CLI tool after the tool was discovered uploading entire user directories—including SSH keys, password databases, and personal files—to xAI's cloud infrastructure without explicit consent. The codebase comprises 844,530 lines of Rust, with data retention now disabled by default and all previously retained user data deleted. Users can now audit the code themselves and run Grok Build locally without uploading to xAI's servers.