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minecraft-modpack-server

Configures and hosts modded Minecraft servers from CurseForge and Modrinth server packs.

Updated May 28, 2026
Search Tags:#forge#minecraft#neoforge#modpack#jvm tuning#backup automation#server hosting
One-click install
npx skills add https://github.com/patty-chow/the-stable --skill minecraft-modpack-server-patty-chow
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: minecraft-modpack-server
Source: https://github.com/patty-chow/the-stable/tree/main/skills/gaming/minecraft-modpack-server
Command: npx skills add https://github.com/patty-chow/the-stable --skill minecraft-modpack-server-patty-chow

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve? Setting up a modded Minecraft server involves many error-prone manual steps: installing the correct Java version, running the NeoForge/Forge installer, tuning JVM garbage collection flags, configuring server.properties for modded gameplay, and arranging backups. This Skill walks through the entire process with tested defaults and known pitfalls. ## Core Features & Use Cases - Guided Server Pack Installation: Downloads and inspects CurseForge/Modrinth server packs, detects the mod loader type, and installs NeoForge or Forge without launching prematurely. - Performance Tuning: Provides JVM arguments (G1GC flags) and view/simulation distance presets scaled to player count, mod count, and available RAM. - Automated Backups: Creates a rotating tar.gz world backup script with hourly cron scheduling and configurable retention. - Use Case: A user downloads an All The Mods 10 server pack and wants a server for 4 friends. The Skill installs Java 21, runs the pack installer with INSTALL_ONLY, sets allow-flight and max-tick-time correctly for modded play, allocates 12GB RAM, and schedules hourly world backups. ## Quick Start Set up a modded Minecraft server from this server pack zip URL, ask me for my preferences on difficulty, seed, and player count first.

Frequently Asked Questions about minecraft-modpack-server

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I set up a modded Minecraft server from a CurseForge server pack?▼

Download the server pack zip, extract it, and run its included install script with the INSTALL_ONLY environment variable to install the mod loader without launching. Then accept the EULA, configure server.properties, and create a launch script pointing at the loader's args file.

Which Java version does my Minecraft server need?▼

Minecraft 1.21 and newer requires Java 21, versions 1.18 through 1.20 require Java 17, and 1.16 or older requires Java 8. Check the server pack's start script or mod loader version to determine which to install.

How much RAM should I allocate to a modded Minecraft server?▼

Allocate 6-12GB for packs with 100-200 mods and 12-24GB for packs with 200-350+ mods. Always leave at least 8GB free for the operating system and other tasks, and set Xms and Xmx in user_jvm_args.txt.

Why do players get kicked for flying on my modded server?▼

Vanilla flight detection kicks players using modded jetpacks or flight items. Set allow-flight=true in server.properties, which is required for virtually all modded servers.

Why is my modded server so slow to start the first time?▼

First startup takes several minutes because large packs generate chunks and initialize hundreds of mods. 'Can't keep up!' warnings during initial world generation are normal and settle after chunk generation completes.

How do I run a Minecraft server without Mojang authentication for LAN play?▼

Set online-mode=false in server.properties for LAN or offline play. You must also set enforce-secure-profile=false, otherwise clients will be rejected when connecting.

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