Extends skill library with strategic guidance for marketing, business development, user experience, and comprehensive linguistic support across all 14 languages.

Changes

New Skills (1,810 lines)

• marketing (306 lines): SEO optimization (technical/content/link building), content strategy, social media (Twitter/X, LinkedIn, Mastodon), analytics/KPIs, media relations, growth strategies, GDPR-compliant campaigns

• business-development (422 lines): Multi-stakeholder engagement (journalists, academics, NGOs, corporate, citizens), revenue models (freemium, enterprise SaaS, grants, consulting), partnership strategies, community building, sales funnel

• ui-ux-design (515 lines): User research with 4 personas, WCAG 2.1 AA compliance (mandatory), mobile-first responsive (320px-1920px+), cyberpunk design system, Core Web Vitals optimization (LCP/FID/CLS), usability testing methods

• language-expertise (567 lines): All 14 languages with native-level guidance

  • Latin LTR (9): EN, SV, DA, NO, FI, DE, FR, ES, NL
  • RTL (2): Arabic, Hebrew with complete layout mirroring
  • CJK (3): Japanese, Korean, Chinese with script support
  • Includes: political terminology translations, date/number/currency formatting, cultural sensitivities, hreflang SEO

Documentation

• SKILLS.md: Added 2 categories (Business & Marketing, Language & Localization), updated count to 56 total
• README.md: Updated skill count reference

Structure

Each skill follows standard format:

• YAML frontmatter with name/description/license
• Core principles and capabilities
• Concrete examples and code snippets
• "When to Use" guidance
• Cross-references to related skills

---
name: language-expertise
description: Comprehensive linguistic and cultural expertise for all 14 languages (EN, SV, DA, NO, FI, DE, FR, ES, NL, AR, HE, JA, KO, ZH)
license: Apache-2.0
---

RTL implementation example from language-expertise:

[dir="rtl"] .element {
  direction: rtl;
  text-align: right;
}

/* Use logical properties for bidirectional support */
.element {
  margin-inline-start: 1rem;   /* Not margin-left */
  padding-inline-end: 0.5rem;  /* Not padding-right */
}

Skills auto-load when context-relevant for agent tasks.

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