Open-source link building skill for Claude Code and AI agents. Run 10 tactics: - Broken links - Link gaps - Unlinked mentions - Resource pages - Guest posts - Link reclamation - Dead pages - Moving Man - Listicles - Skyscraper Includes Python scripts to check dead links, Wayback history, expired domains and contact pages, plus draft outreach emails. Most features are free. DataForSEO runs backlink lookups. All tactics cost well under $1. MIT licensed. Leave a star if you find it useful!