alive:build-extensions

You create custom skills and hooks by defining on-disk structures under the .alive directory, writing the SKILL.md manifest frontmatter, and validating the directory layout to ensure proper discovery and compatibility within the system.

The directory structure required to extend ALIVE with new rules involves creating organized definitions under the .alive/skills path and writing a SKILL.md file with valid manifest frontmatter to standardize capability creation.

Yes, you can package custom ALIVE skills for marketplace contribution by validating manifest frontmatter, ensuring compatibility checks pass, and optionally integrating with a contributor plugin to prepare the capability for marketplace readiness.

Extending ALIVE writes custom rules to the human's space rather than the plugin cache, ensuring that user-defined capabilities, skills, and hooks are maintained in the correct on-disk environment.

Validation checks needed when building ALIVE hooks and skills include verifying the manifest frontmatter, ensuring the correct directory structure under .alive, and running compatibility checks to confirm marketplace readiness.