SpaceXAI has released the source code for Grok Build, the terminal‑based AI coding agent that powers the grok CLI. The release includes the agent harness, the text‑based user interface, the command‑line shell and the developer tooling, all under the Apache 2.0 license.
For developers who want to inspect what an AI agent can do before trusting it with shell commands, the code in the xai‑grok‑tools crate shows exactly how file edits, terminal runs and web searches are implemented. Reading this crate lets you verify safety controls in a regulated repository.
If you need a custom harness for internal workflows, the Apache 2.0 license permits you to fork the repository and adapt the agent loop, tools or TUI to your own processes. Upstream merges are not required, so you can maintain a private variant that fits your security and compliance standards.
Running Grok Build completely offline is straightforward. Compile the binary from source, create a ~/.grok/config.toml file that points base_url to a local inference endpoint, and set the model to your preferred identifier. The grok inspect command then lists the discovered agents, skills, plugins and MCP servers in the current project, giving you full visibility of the context the model will see.
For continuous integration, use headless mode. The command grok -p “your prompt” –output-format streaming-json writes machine‑readable results to stdout, which can be piped into any CI step or automation script. Exit codes reflect success or failure, making it easy to gate merges on agent‑generated changes.
In summary, the open‑sourced Grok Build gives you the ability to audit, fork, run locally and integrate into pipelines—all with a permissive license and a clear configuration path.
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