Cardlens

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CardLens is a working MVP for an AI-powered trading card recognition and valuation SaaS.The product lets users upload a trading card image, identifies the card using AI vision, separates raw vs graded valuation buckets, and pulls eBay active-listing data to generate a structured valuation report. It is especially focused on solving a common TCG pricing problem: scanners and valuation tools often misprice cards when multiple variants share the same character/card number, such as One Piece manga rares, alternate arts, and graded slabs.Current working features:Next.js SaaS app with search, result, history, collection, account, and pricing pagesPrisma + Supabase databaseAuth/account structureGemini/OpenAI/mock AI recognition architectureeBay Browse active-listing providerRaw vs graded valuation bucketsActive listing confidence/warning systemOne Piece manga/V3 variant-aware filteringGraded slab detection, including PSA 10 casesCSV exportSaved collection flowBuild, typecheck, and smoke tests passingVerified test cases:Monkey D. Luffy EB02-061 Manga/V3 raw card: correctly identified and priced in the high-value range after variant filteringTrafalgar Law OP10-119 Japanese Manga PSA 10 slab: correctly identified as graded PSA 10 and priced in the correct active-listing rangeTech stack:Next.js / React / TypeScriptPrisma ORMSupabase PostgreSQLGemini/OpenAI-compatible vision provider architectureeBay Browse API integrationStripe routes present but monetization not fully productionizedImportant limitations:No revenue or users yeteBay data is active asking-price data, not sold compsPriceCharting is not configured unless the buyer adds an API tokenCardmarket is disabled unless the buyer implements a legal API integrationSold comps are disabled unless a legal sold-comps provider is configuredBuyer must provide their own API keys and Supabase projectThis is an MVP/codebase sale, not a finished production businessWhat is included:Full source codePrisma schema/migrationsBuyer-facing setup documentationEnvironment variable templateHandoff notesSuggested roadmapKnown limitations listIdeal buyer:A developer, TCG marketplace operator, card shop, collector-tool founder, or SaaS builder who wants a strong starting point for an AI card valuation product.Suggested asking price:€2,500Open to reasonable offers from serious buyers.