What problem does it solve? Writing skills for Codex plugins requires specific conventions—third-person trigger descriptions, imperative writing style, and progressive disclosure—that are easy to get wrong, resulting in skills that never trigger or bloat the context window. ## Core Features & Use Cases - Structured Creation Process: Six-step workflow from understanding use cases through planning resources, structuring directories, editing, validating, and iterating. - Progressive Disclosure Guidance: Rules for what belongs in SKILL.md versus references/, examples/, and scripts/ to keep context lean. - Writing Style Enforcement: Concrete good/bad examples for third-person descriptions and imperative body content. - Use Case: When adding a new hook-development skill to a plugin, follow the process to write a SKILL.md with specific trigger phrases, move detailed patterns to references/, and validate against the checklist. ## Quick Start Ask the AI to create a new skill for your Codex plugin following the skill development process.