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minecraft-modpack-server

Installs and configures modded Minecraft servers from CurseForge and Modrinth server packs.

Updated Sep 10, 2026
Search Tags:#forge#minecraft#neoforge#modpack#jvm tuning#backup automation#server hosting
One-click install
npx skills add https://github.com/loteiron/ZeusAgent --skill minecraft-modpack-server-loteiron
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: minecraft-modpack-server
Source: https://github.com/loteiron/ZeusAgent/tree/main/optional-skills/gaming/minecraft-modpack-server
Command: npx skills add https://github.com/loteiron/ZeusAgent --skill minecraft-modpack-server-loteiron

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 or Forge installer, tuning JVM garbage collection flags, editing server.properties, opening firewall ports, and scheduling backups. This Skill walks through the entire process with tested commands and modded-specific configuration values. ## Core Features & Use Cases - Server Pack Installation: Downloads and unpacks CurseForge or Modrinth server packs, detects the mod loader type, and runs the installer in install-only mode. - Modded-Specific Configuration: Applies required settings like allow-flight=true and max-tick-time=180000, plus view-distance and simulation-distance presets scaled to player count and hardware. - JVM and Backup Automation: Provides G1GC-tuned JVM arguments scaled to mod count and creates a cron-scheduled world backup script with automatic pruning. - Use Case: A user downloads an All The Mods 10 server pack and wants to host it for five friends. The Skill installs Java 21, runs the pack installer, configures the server for survival hard mode with whitelist, allocates 12GB of RAM, opens port 25565, and sets up hourly world backups. ## Quick Start Set up a modded Minecraft server from this server pack zip URL and configure it for four players on survival hard mode with automated 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, unzip it, and run the included startserver.sh with the install-only environment variable (for example ATM10_INSTALL_ONLY=true) to install the mod loader without launching. Then accept the EULA, configure server.properties, and create a launch script.

Which Java version does a modded Minecraft server need?▼

Minecraft 1.21 and newer requires Java 21, versions 1.18 through 1.20 require Java 17, and 1.16 and below require Java 8. Install the headless JRE package matching your modpack's Minecraft 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 or more mods. Always leave at least 8GB free for the operating system, and set both Xms and Xmx in user_jvm_args.txt with G1GC flags.

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

Vanilla server.properties kicks players for flight by default, but modded packs include jetpacks and flying mounts. Set allow-flight=true in server.properties to prevent these false kicks.

Why is the first startup of a modded server so slow?▼

Large modpacks take several minutes on first launch while generating chunks and initializing mods. 'Can't keep up!' warnings during initial world generation are normal and settle afterward; set max-tick-time=180000 to avoid watchdog crashes.

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 a cron entry such as hourly, logging output to a backup log file.

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