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minecraft-modpack-server

Configure and launch modded Minecraft servers from CurseForge or Modrinth server packs.

1|Updated Jun 1, 2026
Search Tags:#server setup#backups#forge#minecraft#neoforge#modpack#jvm tuning
One-click install
npx skills add https://github.com/Araara7/hermes-skills --skill minecraft-modpack-server-araara7
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: minecraft-modpack-server
Source: https://github.com/Araara7/hermes-skills/tree/main/gaming/minecraft-modpack-server
Command: npx skills add https://github.com/Araara7/hermes-skills --skill minecraft-modpack-server-araara7

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 setting up backups. This Skill walks through the entire process with tested defaults and common pitfalls. ## Core Features & Use Cases - End-to-End Server Setup: Download a server pack zip, install the matching Java version, run the mod loader installer, accept the EULA, and generate a clean launch script. - 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 cron-scheduled backup script that archives the world folder hourly and prunes old backups. - Use Case: A user downloads an All The Mods 10 server pack and wants to host it for friends. The Skill installs Java 21, runs the installer with ATM10_INSTALL_ONLY, configures server.properties with allow-flight and online-mode settings, and sets up hourly world backups. ## Quick Start Set up a modded Minecraft server from this server pack zip URL and configure it for 6 players with 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 server pack?▼

Download the server pack zip, extract it, install the Java version matching your Minecraft release, then run the pack's installer script or the Forge installer jar. Accept the EULA, configure server.properties, and launch with the provided JVM 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. Install the headless JRE package matching your version and verify with java -version.

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 to avoid memory pressure.

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

Vanilla server.properties kicks players who appear to fly, but modded packs include jetpacks and flight items. Set allow-flight=true in server.properties to prevent these false kicks.

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

First startup takes several minutes because large modpacks 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?▼

Set online-mode=false in server.properties for LAN or offline play, and also set enforce-secure-profile=false or clients will be rejected. Note this allows unauthenticated players to join.

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