xai-org/grok-build, now open source

📰 Simon Willison's Blog

xAI's grok-build is now open source after facing community backlash for uploading entire directories to Google Cloud buckets

intermediate Published 15 Jul 2026
Action Steps
  1. Review the grok-build codebase to understand its functionality and potential security risks
  2. Configure grok-build to only upload specific directories or files
  3. Test grok-build in a controlled environment to ensure it meets security requirements
  4. Apply security best practices when using grok-build, such as encrypting sensitive data
  5. Compare the open-source version of grok-build with previous versions to identify changes and improvements
Who Needs to Know This

Developers and security teams can benefit from understanding the implications of using grok-build and how to use it safely

Key Insight

💡 Be cautious when using tools that upload data to cloud storage, and always review the code and configuration to ensure security

Share This
🚨 xAI's grok-build is now open source! 🚨 Review the code and use it safely to avoid uploading sensitive data 🤯

Key Takeaways

xAI's grok-build is now open source after facing community backlash for uploading entire directories to Google Cloud buckets

Full Article

xai-org/grok-build, now open source xAI's grok CLI tool faced severe community backlash yesterday when it became apparent that running the command in a directory could upload that entire directory to xAI's Google Cloud buckets. One user reported running it in their home directory and seeing it upload "my SSH keys, my password manag
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