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watrak77-prog edited this page Jun 25, 2026 · 2 revisions

AutoJoinParty

AutoJoinParty is a Fabric client-side mod for Minecraft that automatically joins your friends' public parties on PvP servers (e.g. PvPClub). It includes a full friends system, group management, and a real-time relay server connection.

Features

  • Auto Join – Automatically joins a public party when a friend opens one, with a configurable keybind to toggle on/off.
  • Friends System – Add, remove, and manage friends directly in-game. Send and accept friend requests without leaving the server.
  • Group System – Create groups with your friends. The group leader controls who gets auto-joined. Members only auto-join when the leader is present in the group (minimum 2 players required).
  • Leader / Member logic
    • When you become a group leader, Auto Join is automatically enabled and you receive a chat notification.
    • When you are a group member (not the leader), Auto Join is automatically disabled — you will only be pulled into a party when the leader joins.
  • Friends GUI – Press the keybind (default: G) to open the friends panel with two tabs:
    • Friends – See who is online, which server they are on, invite them to a group, or remove them.
    • Requests – Accept or decline incoming friend requests; view sent requests.
  • Real-time relay – The mod connects to a WebSocket relay server to sync friend presence, party events, and group state across all connected players.

Supported Versions

Minecraft Version Loader Notes
1.21.1 – 1.21.4 Fabric Stable
1.21.5 – 1.21.8 Fabric Group auto-disable logic added
1.21.9 – 1.21.11 Fabric Last obfuscated era
26.1 Fabric First deobfuscated version
26.1.1 Fabric Security patch
26.1.2 Fabric Security patch
26.2 Fabric Vulkan/Blaze3D update

Installation

  1. Install Fabric Loader for your Minecraft version.
  2. Install Fabric API.
  3. Download the correct JAR for your version from Modrinth.
  4. Place the JAR in your .minecraft/mods folder.
  5. Launch Minecraft.

Usage

Action Default Keybind
Open Friends GUI G
Toggle Auto Join P
  • Use /ajp group create to create a group.
  • Use /ajp group invite <player> to invite a friend to your group.
  • Use /ajp group leave to leave the current group.
  • Use /ajp toggle to manually toggle Auto Join.

How the Group System Works

  1. Create a group – Any player can create a group. The creator becomes the leader.
  2. Invite members – The leader invites friends via the Friends GUI or the /ajp group invite command.
  3. Auto Join behavior:
    • The leader has Auto Join on — when they open a public party, all group members will be pulled in automatically.
    • Members have Auto Join off by default — they only join when the leader is already in the party (prevents members from accidentally joining parties without the leader).
  4. Minimum size – Auto Join via the group system only activates when the group has at least 2 players.

Configuration

No config file is needed. All settings are managed in-game via the Friends GUI and chat commands.

Permissions

This is a client-side only mod. No server plugin is required. The mod communicates with an external relay server to synchronize friend and group state.

Author

Made by Watrak · Modrinth

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