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# <\/p>\n
Extend GriefPrevention with rental signs, mailboxes, and more<\/p>\n
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GPExpansion adds powerful features to GriefPrevention including **rental signs**, **claim mailboxes**, **global claims**, **rental snapshots**, **claim GUIs**, **sign protection**, and more \u2014 all while maintaining the self-service philosophy.<\/p>\n
Haven’t heard of GriefPrevention 3D Subdivisions? Get it here to enable mailbox support. This is a fork that replaces the GriefPrevention jar.<\/p>\n
—<\/p>\n
## Supported Platforms
\n**Spigot, Paper, Purpur, and Folia**<\/p>\n
Requires GriefPrevention and optionally Vault for economy features.<\/p>\n
Optionally, replace GriefPrevention with GriefPrevention3D for seamless mailboxes (1x1x1 subdivisions and public container trust). Mailboxes will work with regular GP and there is a config setting called `mailbox-protocol: virtual` that helps if you want to be able to stack mailboxes on top of each other.<\/p>\n
—<\/p>\n
## Features<\/p>\n
### \ud83c\udfe0 Rental Signs
\nAllow claim owners to rent out their claims to other players using signs.
\n– Set rental prices and durations
\n– Automatic trust\/untrust on rental start\/expiry
\n– Supports Vault economy, experience, claim blocks, and item-based payments
\n– Interactive setup wizard with `\/rentclaim` command
\n– **Rental Snapshots** \u2013 Save and restore claim state between renters<\/p>\n
### \ud83c\udff7\ufe0f Sell Signs
\nAllow claim owners to sell their claims to other players using signs.
\n– Set claim prices
\n– Automatic transfer of ownership of claim
\n– Supports Vault economy, experience, claim blocks, and item-based payments
\n– Interactive setup wizard with `\/sellclaim` command<\/p>\n
### \ud83d\udcec Claim Mailboxes
\nGive each claim a mailbox where other players can deposit items.
\n– Owners have full access to retrieve items
\n– Non-owners see a virtual inventory (snapshot at open time)
\n – Changes save only when the menu closes
\n – Can take back items before closing (reversible deposits)
\n – Items returned if mailbox fills up while viewing
\n– Chest opening sound\/animation on sign click
\n– Storage warnings when mailbox is nearly full
\n– Purchasable via signs with configurable prices
\n– Interactive setup wizard with `\/mailbox` command<\/p>\n
**Self Mailboxes (Instant Creation):**
\n– Owners and renters can place `[Mailbox]` wall signs directly on containers in claims they own or rent
\n– **Real protocol** (config `mailbox-protocol: real`): creates a 1x1x1 subdivision (GP3D) or 1×1 2D subdivision (regular GP) and grants public container trust so non-owners see the real chest with live updates
\n– **Virtual protocol** (config `mailbox-protocol: virtual`): no subdivision; non-owners get a virtual snapshot, no live updates. Allows for stackable mailboxes on regular GP.
\n– Configurable limit via `defaults.max-self-mailboxes-per-claim`<\/p>\n
### \ud83c\udf0d Global Claims ### \ud83d\udd12 Sign Protection ### \ud83d\udcf8 Rental Restoration Snapshots – **Create** \u2013 Save the current claim blocks as a snapshot (e.g., before listing for rent) **Commands:** ### \ud83d\udccb Claim Management & GUIs **Claim GUI Features:** ### \ud83d\udcb0 Configurable Tax System —<\/p>\n ## Documentation —<\/p>\n ## Support<\/p>\n – Issue Tracker – Report bugs or problems —<\/p>\n ## Building from Source<\/p>\n “`bash The compiled jar will be in `target\/`.<\/p>\n —<\/p>\n \nBuilt to extend GriefPrevention with love \u2764\ufe0f<\/i><\/p>\n","protected":false},"excerpt":{"rendered":" The ultimate add-on for GriefPrevention 3D Subdivisions<\/p>\n","protected":false},"featured_media":77418,"template":"","meta":{"_minecraft_slug":"gpexpansion","_minecraft_project_id":"7IRb19K2","_minecraft_author":"castledking","_minecraft_license":"GPL-3.0-only","_minecraft_downloads":182,"_minecraft_follows":4,"_minecraft_client_side":"unsupported","_minecraft_server_side":"required","_minecraft_storage_type":"zip","_minecraft_archive_name":"gpexpansion.zip","_minecraft_size_bytes":23214878,"_minecraft_version_count":21,"_minecraft_updated_at":"2026-05-16T13:16:50.696125Z","_minecraft_date_created":"2026-01-24T22:12:41.454875Z","_minecraft_date_modified":"2026-05-15T23:12:11.995593Z","_minecraft_project_url":"https:\/\/modrinth.com\/mod\/gpexpansion","_minecraft_icon_attachment_id":77418,"_minecraft_imported_at":"2026-06-04T11:19:03+00:00","_minecraft_import_hash":"dc1f032d4e260fa20c7e140b45e6b0d1","_minecraft_versions":"","_minecraft_links":"","_minecraft_gallery":"","_minecraft_api_metadata":""},"mod_category":[124,844,125,126,127,128,129,92],"mod_loader":[130,131,132,133,134],"minecraft_version":[59,36,60,93,94,101,102,62,37,40,41,73,74,38,78,79,80,81,82,83,167,163],"class_list":["post-77417","mod","type-mod","status-publish","has-post-thumbnail","hentry","mod_category-bukkit","mod_category-economy","mod_category-folia","mod_category-management","mod_category-paper","mod_category-purpur","mod_category-spigot","mod_category-utility","mod_loader-bukkit","mod_loader-folia","mod_loader-paper","mod_loader-purpur","mod_loader-spigot","minecraft_version-1-20","minecraft_version-1-20-1","minecraft_version-1-20-2","minecraft_version-1-20-3","minecraft_version-1-20-4","minecraft_version-1-20-5","minecraft_version-1-20-6","minecraft_version-1-21","minecraft_version-1-21-1","minecraft_version-1-21-10","minecraft_version-1-21-11","minecraft_version-1-21-2","minecraft_version-1-21-3","minecraft_version-1-21-4","minecraft_version-1-21-5","minecraft_version-1-21-6","minecraft_version-1-21-7","minecraft_version-1-21-8","minecraft_version-1-21-9","minecraft_version-26-1","minecraft_version-26-1-1","minecraft_version-26-1-2"],"yoast_head":"\n
\nAllow claims to be listed in a global claim list, viewable to all.
\n– Set global settings like icon, description, name, spawn point, and more
\n– Allows users to teleport to global claims via GUI by default
\n– Allows `[global]` claim signs to instantly set spawn and list as global
\n– Simple `\/claim global
\nProtect your rental and mailbox signs from unauthorized modification.
\n– Admin-only sign breaking for active rentals
\n– Automatic cleanup on sign removal<\/p>\n
\nAdmins with `griefprevention.restoresnapshot` can save and restore claim block state for rentals. When a rental or eviction ends, the claim can be restored to a saved snapshot so the next renter sees the original build.<\/p>\n
\n– **List** \u2013 View snapshots for a claim or for all claims
\n– **Restore** \u2013 On eviction or rental end, the latest snapshot is applied automatically<\/p>\n
\n– `\/claim snapshot create [claimId]` \u2013 Create a snapshot
\n– `\/claim snapshot list [claimId|all]` \u2013 List snapshots
\n– `\/claim snapshot remove
\nInteractive claim management with fully configurable GUIs:
\n– `\/claim name
\n– `\/claim desc
\n– `\/claim icon
\n– `\/claim spawn` – Set the teleport spawn point for your claim
\n– `\/claim tp [claimId]` – Teleport to a claim’s spawn point
\n– `\/claim flags [claimId]` – Open the claim flags GUI (GPFlags)
\n– `\/claim options [claimId]` – Open the claim options GUI
\n– `\/claim ban
\n– `\/claim unban
\n– `\/claim info [claimId]` – View detailed claim information
\n– `\/mailbox` – Manage your mailboxes
\n– `\/gpx reload` – Reload configuration and language files
\n– `\/gpx max` – Manage player sign creation limits<\/p>\n
\n– Visual claim map editor \u2013 Resize, subdivide, and manage claims via interactive GUI
\n– Customizable layouts, icons, and permissions
\n– Teleport to claims, view claim info, and manage settings from one interface
\n– Integration with GPFlags for claim flag management<\/p>\n
\nOptional tax system for claim maintenance:
\n– Configurable tax rates per claim block
\n– Multiple payment methods (money, claim blocks, experience)
\n– Grace periods before claim deletion
\n– Tax exemptions via permissions<\/p>\n
\n**Sign formats, configuration, permissions, and detailed guides**
\nAll here<\/p>\n
\n– Discussions – Feature requests and questions
\n– Wiki – Detailed documentation and guides
\n– Discord – Join our community<\/p>\n
\ngit clone https:\/\/github.com\/castledking\/GPExpansion.git
\ncd GPExpansion
\nmvn clean install
\n“`<\/p>\n