# Brains

A brain is a folder of markdown files about one area of your work. These
pages cover making one and keeping it trustworthy.

- [Create a brain](/brains/create-a-brain)
- [Write and edit files](/brains/write-and-edit-files)
- [Import existing files](/brains/import-files)
- [Delete files and folders](/brains/delete-files)
- [Protect what matters](/brains/protect-what-matters): ground truth,
  protected folders and the instructions agents follow.
- [Review and approve proposals](/brains/review-proposals)
- [Your personal brain](/brains/your-personal-brain)