CoreBackpacks

Extra storage that players earn. CoreBackpacks ships five backpack tiers, each with its own item, size and price, and saves their contents safely in the background.

Features
• Five tiers by default, from a 2-row Small Backpack to a 6-row Giant Backpack, each with its own name, item and price
• Backpack shop and in-hand upgrades to the next tier, paid through Vault
• Contents saved in the background
• Optional binding of backpacks to their owner, with a staff bypass permission
• Backpacks inside backpacks blocked by default; per-world blacklist
• Admin commands to give backpacks, open any backpack and reload
• Storage: YAML by default, with SQLite and MySQL options

Requirements
• Server: Paper or Leaf 1.21.11+ (or a Paper fork)
• Java: 21+
• Optional: Vault + an economy plugin (e.g. EssentialsX) for money features
• Storage defaults to YAML; SQLite and MySQL are also supported (set storage.type in config.yml).

Commands
• /backpacks [shop|upgrade|help] (aliases: /backpacks, /backpack, /bp) – Backpacks – permission core.backpacks.use

Permissions
• core.backpacks.use (default: everyone) – Use, buy and upgrade backpacks
• core.backpacks.admin (default: op) – Give backpacks, open any backpack and reload
• core.backpacks.bypass.owner (default: op) – Open backpacks bound to other players