xAI has launched the beta version of its Grok Build command-line tool, designed to assist developers with code writing, application building, and workflow automation. Available exclusively to SuperGrok Heavy subscribers, Grok Build allows developers to specify requirements in natural language via the terminal. The tool generates a detailed implementation plan, which can be confirmed or adjusted by the user before automatic execution of code modifications. Grok Build is equipped to handle large-scale projects by employing a concurrent sub-agent mechanism, enabling parallel task execution such as debugging, deployment optimization, and documentation updates. It supports deep work trees, headless mode, and includes a plugin marketplace for future extensibility. This tool marks xAI's expansion from web-based interactions to local development environments, addressing single-model drift in long-chain programming with its multi-sub-agent architecture.