GCG DOCK is a database and deck-building resource for the Gundam Card Game, designed to help players explore cards and prepare for play. Its card search covers units, pilots, commands, bases, tokens, and resource cards, with filters for color, type, card name, number, level, cost, attack and health values, rarity, zone, traits, source title, and product set. Players can browse a collection of 1,178 listed results, sort cards by attributes such as name, level, cost, AP, or HP, and view card information including rarity, affiliation, and statistics.

The site also offers deck-building tools, playtesting, mulligan and deck-play simulators, personal lists, and analytics. Its catalog spans numerous Gundam series and game products, including booster sets and starter decks, and features cards associated with factions, characters, and titles across the franchise. GCG DOCK additionally provides proxy-printing functionality, making it a practical hub for organizing collections, experimenting with deck ideas, and supporting tabletop play