
Mainstay SMP Modpack
Modpack for those who want to use all server features
Screenshots

About this Modpack
Mainstay SMP Modpack
Minimal & Full Edition - Client Utility Packs
The Mainstay SMP Modpack is a client-side modpack family designed to unlock the full potential of server-side features, while improving performance, visuals, and quality of life — without breaking the vanilla feel.
These modpacks are intended as the recommended client setup for Mainstay SMP, but they can also be used as a clean base for your own custom modpack.
🧩 Core Philosophy
- Client-side only
- Vanilla-friendly gameplay
- Full compatibility with server-side mods
- Performance first, visuals second, utility third
- No unnecessary or intrusive mechanics
The goal is simple:
see more, know more, play smoother — without changing how Minecraft works.
⚡ Performance & Stability
Both editions focus on stable, efficient gameplay:
- Sodium ecosystem (Sodium, Sodium Extra, Reeses Options)
- Lithium, FerriteCore, ImmediatelyFast
- Entity Culling, More Culling
- Dynamic FPS for background optimization
These mods ensure high FPS, reduced stutter, and low memory usage even on large servers.
🎨 Visual Improvements (Vanilla Style)
Visual upgrades are carefully selected to enhance immersion without altering Minecraft’s original look:
- Better Clouds, Continuity
- Entity Texture & Model Features
- Skin Layers 3D, Capes, Wavey Capes
- Iris (shader support, optional)
- Ambient-friendly particle and lighting tweaks
🗺️ Exploration & Navigation
Designed to fully support server-side features:
- Xaero’s Minimap & World Map (+ XaeroPlus)
- Waypoints and zoom tools
- Voxy for extended world rendering (server-friendly)
🔊 Audio & Social Interaction
Immersion and communication are key on SMP servers:
- Simple Voice Chat + Voice Messages
- Presence Footsteps (Full Edition)
- Drip Sounds (Full Edition)
- Clear positional and environmental audio
🧱 Utility & Quality of Life
Small changes that make a big difference:
- AppleSkin, Jade / WTHIT
- Quick Shulker, Peek, Shulker tooltips
- Better Stats, Status indicators
- Inventory, hotbar, and UI enhancements
- Litematica & Syncmatica (for supported servers)
🔀 Modular by Design
- Some mods are disabled by default
- Alternatives are included where relevant
- Users can switch mods depending on:
- Server rules
- Performance needs
- Personal preferences
This makes the modpack flexible and future-proof.
📦 Editions Explained
🔹 Minimal Edition
- Lightweight and clean
- Performance, visuals, and essential QoL only
- Ideal for:
- Low-end PCs
- Players who want a near-vanilla experience
- A base for custom modpacks
🔸 Full Edition
- Everything from Minimal, plus:
- Advanced building & technical tools
- Extended audio immersion
- More visual feedback
- Ideal for:
- Power users
- Builders and technical players
- Players who want maximum client-side control
✅ Server Compatibility
- Recommended for Mainstay SMP
- Client-side only
- Safe to join vanilla or modded servers
- Many features scale automatically based on server support
🎯 Recommended Use
Mainstay SMP Modpack (Minimal or Full Edition)
is the recommended choice if you want a stable, performant, and future-proof client —
or a solid foundation to build your own modpack.
Balanced. Clean. Expandable.
Mainstay SMP Modpack keeps Minecraft vanilla — just better.
Available Versions
How to Set Up a Mainstay SMP Modpack Server
Order Server
Choose at least 6 GB RAM (8 GB recommended for Mainstay SMP Modpack). Based on player count: per 5 players.
Install Modpack in Dashboard
Open the modpack browser in the dashboard, search for "Mainstay SMP Modpack" and click "Install". The fabric loader and Minecraft 1.21.11 are configured automatically.
Start Server & Play
Start the server – all mods are loaded automatically. Share the server IP with friends and play together!
Frequently Asked Questions
Mainstay SMP Modpack server crashes or won't start – what to do?
Most common causes: insufficient RAM or wrong fabric loader. Check latest.log for "OutOfMemoryError" → increase RAM to at least 8 GB. For "Mixin" or "ClassNotFoundException" errors: modpack version and loader don't match. With Mado Hosting, loader and Minecraft version are auto-configured on modpack install – preventing most startup issues.
How much RAM does a Mainstay SMP Modpack server really need?
Minimum 6 GB, recommended 8 GB for stable performance. per 5 players. Important: Minecraft modpacks need more RAM than vanilla – plan extra per additional player. With Mado Hosting, you can scale RAM up live at any time without data loss (from €12/month).
Can I add custom mods to Mainstay SMP Modpack without conflicts?
Yes, but check compatibility: only use mods for the same loader (fabric) and same Minecraft version (1.21.11). Common issues: ID conflicts with recipe mods and incompatible coremod versions. The Mado dashboard mod browser only shows compatible mods and warns about known conflicts.
Mainstay SMP Modpack server lagging – performance tips
1) Increase RAM to 8 GB+. 2) Reduce server view-distance to 8 (server.properties). 3) Pre-generate chunks with the "Chunky" plugin. 4) Use /spark profiler to check which mods consume the most tick time. With Mado Hosting, all servers run on NVMe SSDs with dedicated CPU cores – eliminating hardware as a bottleneck.
Similar Modpacks
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Supported Versions
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