- 21 marketing skills across 5 categories
- Brand context system with persistent brand.yaml per project
- Setup script with multi-host support (Claude, Codex, Kiro)
- Configurable skill prefix (/m-* or short names)
- Optional gstack browse integration for web analysis
- Marketing API key detection (SemRush, Ahrefs, GA4, Search Console)
- Marketing-specific learnings system
- Skill validation test suite