Trading Card Block

Graded trading cards are a multi-billion-dollar alternative asset class with no unified market hub. Pricing, liquidity, grade spreads, and creator-driven momentum live across TCGplayer, eBay, and social platforms—updated continuously, rarely structured in one place.Trading Card Block solves this for serious operators: card dealers, grading businesses, marketplace sellers, and portfolio managers who need decisions on current reality, not last week's export.Bright Data is the live-web engine. Web Unlocker reaches TCGplayer's internal JSON APIs and eBay sold PSA comps without fragile Playwright scrapes. SERP API and Web Data datasets discover creator posts and full YouTube transcripts. Structured rows land in Supabase: liquidity scores, grade multiples, sentiment, and impact-ranked creators.Five intelligence layers sit on 1.9M+ daily price facts and precomputed analytics: price windows, raw to PSA arbitrage, 0–100 liquidity, creator sentiment, and cognee market memory. A Featherless AI agent with ten warehouse tools reasons across all layers; live refresh runs on demand. Vercel crons and optional Triggerware pulses fire creator_move, price_breakout, and grade_arbitrage alerts with actionable links