I built an AI book recommender in 2 days

Show HN: I built an AI book recommender in 2 days

I built an AI book recommender in 2 days is a business in show hn launch.

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Hi HN! I built this in ~2 days over the New Year's break, and it was the most fun I've had coding in a while...*Why I built it:* I was tired of generic listicles and recoms from Google Search, ChatGPT/Gemini, and Goodreads. I wanted something where I could say "a cozy mystery for a rainy weekend" or "something like Kafka but less depressing" and get actual niche results.*How it works:* - Describe what you're looking for in plain text (or voice) [https://mynextbook.ai/onboarding-books] - A RAG system, built using Gemini 2.5 Flash Lite + Exa search, finds personalized recommendations - Metadata is fetched from multiple sources - ~5-10 seconds from input to recs (5-10X faster with cache)*Stack:

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Website: mynextbook.ai