"Amazon Prime" matching MCP connectors:

IGDB — the Internet Game Database (Twitch/Amazon), the reference catalogue for video games.

Video game prices from completed eBay and Vinted sales, by platform, region, edition and condition.

Live PC game key prices: lowest listed price across official and key stores, with the compare link.

FFXIV market board prices per item from Universalis for a world or region, with price alerts.