SpaceXAI open-sources Grok Build, its AI coding agent & terminal UI! 🚀 Source code now on GitHub, featuring agent loop, tool system, UI rendering, and an extension system (skills, plugins, hooks, MCP, sub-agents). Grok Build runs fully local-first. Compile it yourself & connect to local inference instances via config.toml. #AI #OpenSource #Coding #SpaceXAI