xAI open-sources the Grok Build coding-agent harness
The released code exposes the agent loop, tools, terminal UI and extension system behind Grok Build.
xAI open-sourced the Grok Build coding-agent harness and terminal UI.
The company says the repository includes context assembly, tool dispatch, code-editing and command tools, the TUI, and extensions for skills, plugins, hooks, MCP servers and subagents.