xAI open-sources the Grok Build coding agent CLI
Melvin Vivas · X post · 2026-07-16 · Open on X
Topics: AI Dev Tools & Productivity, AI Agents, Tool Use & MCP · Level: intermediate
Summary
xAI has open-sourced Grok Build, its coding-agent harness, including the Git repo for the Grok Build CLI. It also reset usage limits for all users. Anyone can now read and help improve the code of a production coding-agent harness.
Key points
- Grok Build, xAI's coding agent, is now open source.
- The Git repo for the Grok Build CLI is published.
- xAI says open sourcing lets the community help build a reliable, robust harness.
- Usage limits were reset for all users when it was released.
- The code is listed at x.ai/open-source.
Resources mentioned
- Open Source: Grok Build Coding Agent · website · x.ai · free
xAI's open-source page for Grok Build, with the code and Git repo for the Grok Build CLI.
Try this
- Look through the Grok Build CLI code to learn how a coding-agent harness is built.
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