AI-powered TradeMe marketplace search. Fetches listings via API, then uses Claude to analyze descriptions and images to find the best matches for nuanced requirements like "good condition", "stylish", "looks safe for a beginner". Use when someone wants to find items on TradeMe with smarter filtering than keywords - e.g., "find a solid second-hand bike for my 9 year old near Mt Eden, good condition, pink if possible". Triggers: TradeMe, Trade Me, marketplace search, find listings, buy second-hand, NZ marketplace.