Agent Skills: skill-forge

Orchestrates all skill development — required before writing or editing any SKILL.md file. Unified 6-step workflow with automated validation, CSO scoring, register checks, and subagent testing. Triggers on 'create skill', 'new skill', 'validate skill', 'check skill quality', 'improve skill discovery', 'check this skill', 'write SKILL.md', 'edit SKILL.md', 'update skill description', 'can I share this', 'scan for sharing'. (user)