FairPlay

Validates the client mod list to keep gameplay fair. FairPlay is designed for server administrators and players who want to ensure clients are running a legitimate, unmodified game environment.s

Features

• Client Mod List: Lists active client mods if the client has the mod installed
• Mod Blacklist: Configurable blacklist of prohibited mods
• Auto-kick: Optionally automatically kick players using blacklisted mods or does not have FairPlay installed
• Time Flexibility: Adjustable timeframe for mod validation during server join

Commands

• /fairplay: Check if the mod is installed on the server
• /fairplay reload: Reloads the mod configuration from JSON file

Configuration

FairPlay is configured via fairplay.json in the server config directory:

{
  "enabled": true,
  "required": false,
  "handshakeWindowMS": 500,
  "autoKickBlacklisted": true,
  "blacklist": [
    "meteor-client"
  ],
  "configVersion": 1
}

Config Options

• enabled: Enable or disable the mod (default: true)
• required: Whether clients are required to have the mod installed (default: false)
• handshakeWindowMS: Time window (in milliseconds) for mod validation handshake (default: 500ms)
• autoKickBlacklisted: Automatically kick players with blacklisted mods (default: true)
• blacklist: List of mod IDs to block from the server

Dependencies

Requires Fabric API

Credits

P3nguinMinecraft