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Reimonsk8
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minecraft-modpack-server

Configures and launches modded Minecraft servers from CurseForge or Modrinth server packs.

Updated May 29, 2026
Search Tags:#server setup#backups#forge#minecraft#neoforge#modpack#jvm tuning
One-click install
npx skills add https://github.com/Reimonsk8/hermes-9router-model-balancing --skill minecraft-modpack-server-reimonsk8
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: minecraft-modpack-server
Source: https://github.com/Reimonsk8/hermes-9router-model-balancing/tree/main/scripts/skills/gaming/minecraft-modpack-server
Command: npx skills add https://github.com/Reimonsk8/hermes-9router-model-balancing --skill minecraft-modpack-server-reimonsk8

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 Forge or NeoForge installer, tuning JVM garbage collection flags, editing server.properties, and configuring backups. This Skill walks through the entire process with tested defaults and common pitfall warnings. ## Core Features & Use Cases - Guided Server Pack Installation: Downloads and inspects CurseForge/Modrinth server packs, installs the correct Java version (8/17/21), and runs the NeoForge or Forge installer. - Performance Tuning: Generates JVM arguments (G1GC flags, RAM sizing by mod count) and scales view-distance/simulation-distance to player count and hardware. - Automated Backups: Creates a cron-scheduled backup script with rotation that archives the world folder hourly. - Use Case: A user downloads an All The Mods 10 server pack and wants a working server for 5 friends. The Skill asks for preferences (difficulty, online mode, RAM), installs Java 21, runs the installer with INSTALL_ONLY, writes tuned configs, opens the firewall, and sets up hourly backups. ## Quick Start Set up a modded Minecraft server from this server pack zip, ask me for my preferences first, then install Java, configure server.properties, tune the JVM, and enable hourly backups.

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 the included startserver.sh with the install-only environment variable to install the mod loader without launching. Then accept the EULA, configure server.properties, tune JVM args, and start the server with a launch script.

Which Java version do I need for a modded Minecraft server?▼

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. Install the headless JRE package matching your modpack's Minecraft version and verify with java -version.

How much RAM does a modded Minecraft server need?▼

Modded servers with 100-200 mods typically need 6-12GB of RAM, while packs with 200-350+ mods need 12-24GB. Always leave at least 8GB free for the operating system and other tasks.

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

Vanilla servers kick players for floating, but many mods add jetpacks and flight items. Set allow-flight=true in server.properties to prevent these false kicks on modded servers.

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

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

How do I automate backups for a Minecraft server world?▼

Create a shell script that compresses the world folder into a timestamped tar.gz archive and prunes old backups beyond a retention limit. Schedule it with cron, for example hourly, and log output to a backup log file.

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