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Server Tools

Tools / Project Zomboid

Project Zomboid

All free Project Zomboid server tools, in one place. Plus curated recipes if you want a known-good starting point.

## start here

pz/log-analyze

Server Log Analyzer

Start with the log analyzer if a server already failed; use the Workshop importer before launch to prevent missing-mod and map-order failures.

> Diagnose log

## tools

server/readiness

Game Server Readiness Checker

Check public address, port, protocol, query visibility, version, password state, and firewall rules before launch.

> Check launch
pz/workshop-import

Workshop Collection → Server Config

Steam Workshop URL in. servertest.ini lines out.

> Import collection
pz/log-analyze

Server Log Analyzer

Paste console.txt, get plain-language diagnoses.

> Diagnose log

## recipes

Curated, validated configs you can deploy as-is or customize.

recipes/b42-essentials

B42 Essentials Modpack (Steam Workshop Collection)

Based on the popular 'B42 Essential Mods' Steam Workshop collection. Use the Workshop Importer to convert it into ready-to-paste config lines.

working · verified 2026-05-25
recipes/coop-relaxed-build-42

Co-op Relaxed (Build 42)

Lower-difficulty defaults for casual co-op groups. No mods. No loot respawn, smaller player cap.

working · verified 2026-05-25
recipes/hardcore-louisville-build-42

Hardcore Louisville (Build 42)

High-difficulty settings for a brutal Build 42 server. Low loot respawn, fast infection, no PvE safety, short days.

working · verified 2026-05-26
recipes/long-haul-persistent-build-42

Long-Haul Persistent (Build 42)

World keeps ticking 24/7. For asynchronous groups where players log in at different times and want a living world.

working · verified 2026-05-26
recipes/low-pop-coop-build-42

Low-Pop Co-op (Build 42)

Tuned for 2-4 player friend groups. Lower resource usage, generous loot, no respawn churn.

working · verified 2026-05-26
recipes/roleplay-friendly-build-42

Roleplay Friendly (Build 42)

Settings tuned for RP groups. Names visible, server runs while empty, generous loot, no PvP by default.

working · verified 2026-05-26
recipes/vanilla-build-41

Vanilla (Build 41)

Stock Build 41 servertest.ini for groups still on the previous PZ version. Friendly co-op defaults.

working · verified 2026-05-26
recipes/vanilla-plus-build-42

Vanilla Plus (Build 42)

Stock servertest.ini with comfortable co-op defaults for a 4-8 player vanilla server. No mods required.

working · verified 2026-05-25

## safe modpacks

Ranked starting stacks with compatibility notes before you deploy.

modpacks/pz-build-42-vanilla-plus

#1 Build 42 Vanilla Plus

A low-risk Project Zomboid starting stack for small co-op servers: vanilla-first settings, no forced PvP, and only essential Workshop additions after import.

> review safe path
modpacks/pz-b42-essentials

#2 B42 Essentials Import Path

A safer way to use the popular B42 essentials collection: treat the collection as source material, then run it through the importer before deploying.

> review safe path

## known issues

  • WorkshopItems and Mods drift after a collection changes.
  • Custom maps load after Muldraugh, KY instead of before it.
  • Heavy modpacks need more JVM heap than vanilla servers.

## compatibility notes

  • Build 41 and Build 42 mods should not be mixed without checking each item.
  • Duplicate Mod IDs usually mean two forks of the same mod are enabled.
  • Map folders, Workshop IDs, and Mod IDs all need to be present together.

deeper guides

For game-side help (how mods work, command references, troubleshooting writeups), use the Project Zomboid wiki.