Developers who want an inspectable, Apache-licensed terminal agent that can run fully local should look here; model use is billed separately.

Kenning's take

What it does

Grok Build is SpaceXAI's coding agent with a full-screen terminal interface, a headless mode for scripts, and support for the Agent Client Protocol so other apps can use it. It supports skills, plugins, hooks, MCP servers, subagents and custom models. The source was published on GitHub under Apache 2.0 in July 2026 and it can run fully local.

• Interactive terminal UI and headless mode
• Agent Client Protocol support
• Skills, plugins, hooks and MCP servers
• Subagents, plan mode and worktrees
• Works with custom or local models

Who it suits. Developers who want a terminal coding agent they can inspect and run with their own models.

Key facts

Category

Developer tools

Part of

Grok

Made by

SpaceXAI (formerly xAI)

Based in

United States

Released

14 May 2026

How to get it

Install with a one-line script on macOS, Linux or Windows; sign in with a Grok account or an xAI API key; source on GitHub

Works on

macOS, Linux, Windows, terminal

Free plan

source code free under Apache 2.0; hosted model use needs a Grok account or API key

Reviews and write-ups

• GIGAZINE 2026-07-16

FAQ

Facts from the maker's own pages and the sources listed. Checked 2026-10-11.