AI Indigo is the largest free AI skills & tools directory. 6,450+ curated AI tools across 18 categories, 7,270+ agent skills from Anthropic, OpenAI & community, career AI-readiness scores for 342 occupations, and a peer-to-peer skills marketplace. Compare tools side-by-side, check how AI impacts your job, discover agent skills — all free. Built by developers, for everyone navigating the AI revolution.