AGENTS.md, one agent file per template under <assistant>/agents/, and a SKILL.md (plus any reference files) for every skill under <assistant>/skills/<skill>/, where skill names containing a . become - in the directory name.
Claude and Codex are selected by default. Re-run any time you upgrade the CLI to pick up new or updated skills, and commit the generated files so every team member shares the same definitions.
Usage
Examples
Options
agent:skills:create is also offered interactively when an application is first created with app:init.