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Grok Build — SpaceXAI's Rust coding agent spanning an interactive TUI, headless automation, and ACP

OSS health 86
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Stars
26,757
Primary language
Rust
License
Apache-2.0
Repository last updated
Sep 9, 2026

Overview

Grok Build is SpaceXAI's Rust-based AI coding agent. Its full-screen TUI understands a codebase, edits files, runs shell commands, searches the web, and manages long-running tasks. The same agent runtime can also run headlessly for scripts and CI or be embedded in editors through the Agent Client Protocol (ACP). The public repository is periodically synchronized from SpaceXAI's monorepo, while released binaries are available for macOS, Linux, and Windows.

Features and best fit

Based on official documentation; not hands-on tested · Content checked:

Combine code editing, shell execution, and web search in one full-screen terminal agent

The official README describes Grok Build as a terminal-based AI coding agent that understands the codebase, edits files, executes shell commands, searches the web, and manages long-running tasks. It is presented as a mouse-interactive full-screen TUI rather than only a prompt-and-response command line, keeping investigation, modification, and execution in one session.

Sources: [1]

Reuse the same runtime for interactive TUI work, headless CI, and ACP editor integration

The README lists interactive use, headless execution for scripting and CI, and editor embedding through the Agent Client Protocol (ACP). This makes the project useful when the same coding-agent runtime needs to move between human-driven terminal work, automation, and an editor surface instead of maintaining separate tools for each environment.

Sources: [1]

Extend the coding-agent environment with MCP, skills, plugins, hooks, and sandboxing

The bundled user guide covers configuration and theming alongside MCP servers, skills, plugins, hooks, headless mode, and sandboxing. The repository layout also separates the agent runtime, terminal/file-edit/search tools, workspace and VCS handling, execution, and checkpoints into crates, exposing the execution substrate in addition to the TUI.

Sources: [1]

A strong fit for terminal-first coding-agent users who also need automation or editor embedding

Grok Build is relevant to developers who want code investigation, editing, and command execution in a terminal workflow, teams that want the same agent available headlessly in CI or scripts, and users of ACP-capable editors. The Rust implementation is also useful for studying agent harness, TUI, tool execution, and workspace-management architecture.

Treat the public tree as a synchronized source release, and account for auth, build tooling, and third-party licenses

This repository is periodically synchronized from the SpaceXAI monorepo, and CONTRIBUTING.md explicitly says that external pull requests and unsolicited patches are not accepted. Its contribution model therefore differs from a typical community-driven OSS project: the public tree is provided for source transparency and local builds.

Released binaries cover macOS, Linux, and Windows, but building from source requires Rust plus DotSlash; macOS and Linux are supported build hosts while Windows builds from this tree are best-effort. First launch opens a browser for authentication. First-party code is Apache-2.0, while vendored and third-party code retains its original licenses, so redistribution should also review the THIRD-PARTY-NOTICES files.

Sources: [1][2][3]

Official sources

  1. [1]xai-org/grok-build — README(2026-09-15)
  2. [2]xai-org/grok-build — CONTRIBUTING(2026-09-15)
  3. [3]xai-org/grok-build — LICENSE(2026-09-15)
Supplemental curator note

We selected Grok Build because the same coding-agent runtime spans an interactive TUI, headless automation, and ACP editor integration. The public repository is periodically synchronized from an internal monorepo and does not accept external pull requests, so it should be evaluated with a different contribution model from community-driven OSS.

Try it in 3 steps

  1. 1

    Install the released binary

    This is the official installer for macOS, Linux, and Git Bash. On Windows PowerShell use `irm https://x.ai/cli/install.ps1 | iex`.

    curl -fsSL https://x.ai/cli/install.sh | bash
  2. 2

    Verify the install

    grok --version
  3. 3

    Launch Grok Build

    On first launch, a browser opens for authentication. After signing in, run the TUI from the codebase directory you want to work in.

    grok
Check the official README

Growth

Growth trends · Last 30 days

26,757 Stars

Trend data is still being collected.

Development activity

Last 90 days · weekly

Commits (last 30 days)
13
Open PRs
0

Development activity is still being collected.

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GitHub data

GitHub dataView detailed GitHub data
Stars
26,757
Forks
5,037
Watchers
231
Open issues
0
Primary language
Rust
License
Apache-2.0
Repository last updated
Sep 9, 2026
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