Use `author-caveman` to write Caveman English.
Use `author-agent` to get OpenCode Agent Authoring when writing or reviewing OpenCode agent markdown.
Use `author-command` to get OpenCode Command Authoring when writing or reviewing OpenCode command markdown.
Use `author-rules` to write `AGENTS.md` files.
Use `author-skill` to get Skill File Authoring when you need to review/write skill files for agents.
Use `design-prd` to get Product Requirements when planning any feature or to understand project business requirements, user roles, and success criteria.
Use `execute-code` to get "Technical Design" when you must design technical tasks, implement features or refactor code.
Java Standards - Use this skill to learn how to update Java code. This is the Java coding standard that you MUST apply to all your Java code or when you update `.java` files.