The Agent Skills Directory

[COMMAND_EXECUTION]: The skill uses the exec tool to invoke the gbrain frontmatter CLI for scanning, validating, and modifying local files. It includes functionality to auto-repair malformed YAML and generate .bak backup files during mutation.
[COMMAND_EXECUTION]: Provides a mechanism to install a git pre-commit hook via gbrain frontmatter install-hook. This modifies the local .git/hooks directory to automate linting processes.
[DATA_EXPOSURE]: Accesses local markdown files to read frontmatter content and metadata. This access is limited to the defined scope of a 'brain' directory as managed by the gbrain utility.

frontmatter-guard