write-a-skill

To create a reusable agent skill, you draft a concise skill.md file that defines a single-responsibility task domain, explicit trigger conditions, and operational instructions for reliable loading. This structure ensures the correct skill is selected based on typical trigger phrases.

The best way to structure agent prompts for workflow reuse is to maintain a tight, single-responsibility scope within your skill.md. Defining explicit task domains and loading criteria avoids "god skills," making the prompts easier to iterate and reuse across different contexts.

You do not need to write unnecessary scripts when authoring an agent skill if deterministic execution is not required. The process focuses on defining task domains and operational instructions within a skill.md file to enable system discovery and loading.

Defining a task domain improves agent capabilities by establishing clear coverage boundaries and trigger conditions. This explicit mapping ensures the system reliably loads the correct single-responsibility skill, avoiding overlap and maintaining a maintainable scope for workflow reuse.

You should refactor agent skills into single-responsibility prompts when descriptions become too broad or trigger conditions overlap. Refactoring workflows by tightening scope and avoiding "god skills" makes maintainable agent prompts easier to discover, iterate, and reuse reliably.