Add claude-seo (10 agents), claude-ads (10 agents), claude-cybersecurity (8 agents)

[AgriciDaniel]

Requesting addition of 3 multi-agent Claude Code skills that use parallel subagent architectures:

claude-seo (4,567 stars) — 10 specialist agents

Agents: seo-technical, seo-content, seo-schema, seo-sitemap, seo-performance, seo-visual, seo-geo, seo-backlinks, seo-local, seo-images

• Full site audits, E-E-A-T analysis, GEO optimization, schema markup
• GitHub

claude-ads (2,217 stars) — 10 specialist agents

Agents: ads-google, ads-meta, ads-linkedin, ads-tiktok, ads-microsoft, ads-youtube, ads-apple, ads-creative, ads-budget, ads-landing

• 225+ audit checks across 7 ad platforms
• GitHub

claude-cybersecurity (new) — 8 specialist agents

Agents: vuln-scanner, auth-reviewer, threat-intel, secret-scanner, dependency-auditor, iac-scanner, ai-code-auditor, logic-reviewer

• OWASP 2025, CWE Top 25, MITRE ATT&CK, 5 compliance frameworks
• GitHub

All use parallel agent dispatch (single message, multiple agents). MIT licensed.