SystemSellAddon
Selling plugin for Paper with category multipliers, a worth browser, and optional history.



Highlights

• Category-based selling via GUI with progress and multiplier tiers
• Worth browser (/worth) with sorting and filtering
• Optional per-sell history (SQLite) and itemized logs
• Shulker selling support with worth calculated from items inside + shulker box worth
• Worth-lore overlay (requires ProtocolLib)
• API events for integrations (plus MayorSystem callbacks when present)

Requirements

• Paper 1.21.x (api-version: 1.21)
• Java 21
• Vault (required) + any Vault economy provider (EssentialsX Economy, EzEconomy, etc.)

Optional Integrations

• ProtocolLib: enables live worth lore in inventories
• MayorSystem: receives payout callbacks automatically when installed, and imports mayor-perks into its own config on first start