system

Writes PR descriptions that help reviewers understand a patch by explaining the problem, its cause, and why the change fixes it. Use when creating, revising, or polishing a PR description, including its title and body.

Create new agent skills with proper structure, progressive disclosure, and bundled resources. Use when user wants to create, write, or build a new skill.

Writes short, user-facing changelog entries that summarize the high-level idea behind a change without implementation detail. Use when creating, revising, or polishing release notes, changelog entries, customer-facing summaries, or "what changed" updates.