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minecraft-modpack-server

Configures and launches a modded Minecraft server from CurseForge or Modrinth server pack zips.

1|Updated Mar 12, 2026
Search Tags:#server setup#backups#forge#minecraft#neoforge#modpack#jvm tuning
One-click install
npx skills add https://github.com/kaminocorp/hermes-alpha-hunter --skill minecraft-modpack-server-kaminocorp
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: minecraft-modpack-server
Source: https://github.com/kaminocorp/hermes-alpha-hunter/tree/main/skills/gaming/minecraft-modpack-server
Command: npx skills add https://github.com/kaminocorp/hermes-alpha-hunter --skill minecraft-modpack-server-kaminocorp

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, opening firewall ports, and scheduling world backups. This Skill walks through the entire process with tested commands and sensible defaults. ## Core Features & Use Cases - End-to-End Server Setup: Downloads and inspects the server pack zip, installs the matching Java version (8/17/21), runs the NeoForge or Forge installer, and accepts the EULA. - Performance Tuning: Provides G1GC JVM argument templates scaled to mod count and RAM, plus view-distance and simulation-distance presets based on player count and hardware. - Operations & Safety: Creates a clean launch script, opens port 25565 via ufw, and sets up hourly cron-based world backups with automatic pruning of old archives. - Use Case: A user downloads the ATM10 server pack and wants a server for six friends. The Skill installs Java 21, runs the installer with INSTALL_ONLY, configures 12-24GB heap with tuned G1GC flags, enables allow-flight for modded items, and schedules hourly backups. ## Quick Start Set up a modded Minecraft server from this CurseForge server pack zip, configure it for 6 players with 16GB of RAM, and enable hourly world 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, or run the Forge installer jar directly. Then accept the EULA, configure server.properties, tune JVM args, and launch with the generated start script.

Which Java version does my Minecraft modpack 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 pack's start script or mod loader version to determine the correct requirement before installing OpenJDK.

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 or more mods. Always leave at least 8GB free for the operating system, and set Xms and Xmx in user_jvm_args.txt with G1GC flags.

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

Vanilla server.properties disables flight by default, which kicks players using modded jetpacks or flight items. Set allow-flight=true in server.properties to prevent these false-positive kicks on modded servers.

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

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

Why is my modded server 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.

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