Private Minecraft hosting
A private Minecraft world for you and your friends. Your builds stay saved. Nobody’s laptop has to stay open.
14-day invited trial · No card needed
A lighthouse from one request. Drag to look around. A lighthouse from one request, built in a real world.
Choose your starting point
The beta sticks to versions we have tested. Your invitation shows the choices before you create anything.
A builder in the world with you.
Minecraft Java 1.21.4 with Cog as your building companion. Join with the normal Java client, or from Bedrock on a phone, tablet or Windows PC (beta).
The Cubelings Fabric profile.
Our tested Fabric 1.21.4 profile, adapted from Server Essentials on Modrinth. Hosting only, without Cog; Discord linking and No Chat Reports are removed.
¹ Cog works while your Paper world is awake and its AI allowance is active. Your invitation shows the allowance before setup.
Tell us its name and version through the dashboard and we will look at it.
What is not here yetFits around real life
It runs away from your home connection, so there is no port forwarding to set up and no laptop left open.
Add their Java profile names or Xbox gamertags to your player list, then share the address and our joining guide.
Friends can stay when you leave. Once everyone is gone, the world saves and sleeps after five minutes.
Connecting wakes the world while your access is active. First setup and cold starts take longer than waking.
The foundations
Each world has its own hosting allocation and persistent disk. The dashboard keeps your address, player list and feedback in one place.
Your world lives on its own persistent disk. Sleeping or restarting the server brings back the same world.
Back up from the dashboard whenever you like and keep five. Download one and it opens in single-player as it is, or put your world back to it in a few minutes.
Upload a zip of a single-player save or a server world and play it here. Your builds are ordinary Minecraft files, and nothing locks you in.
The standard beta world runs Minecraft Java 1.21.4 on Paper, with Cog in the world alongside you. Players join with the normal Java client, or with Bedrock on a phone, tablet or Windows PC (beta).
Our Server Essentials profile runs Fabric 1.21.4, without Cog. Setup shows whether it is offered and what each player needs on their client.
One switch in your dashboard puts the whole world in survival or creative, Cog included. Flip it whenever the group wants the other one.
Cog runs on supported Paper worlds. Hosting-only modpack worlds do not include Cog, and a supported mod loader does not mean Cog can use every mod.
Worlds use a player allowlist. Everyone joining needs their own copy of Minecraft and signs in with their Microsoft account. You add Java players by profile name and Bedrock players by Xbox gamertag.
Friends on iPhone, iPad, Android and Windows Bedrock join the same world as friends on Java, and Cog answers both. Bedrock is in beta, and consoles cannot join yet.
Copy the address from your dashboard and send it round, with our step-by-step joining guide for anyone new to servers. Friends do not need a Cubelings subscription to join.
Choose from the regions offered in your invitation: United States, Europe or Australia. Your region stays fixed for the trial.
An empty world saves and sleeps after five minutes. Connecting wakes it again, which keeps idle hosting costs down.
The dashboard shows setup progress, connection details and world status, with start and stop controls for supported worlds.
A new Minecraft release never replaces your version on its own. When a newer one is offered, you upgrade from the dashboard, and we take a snapshot first.
Take Cog out of a world from its settings and bring them back later. While Cog is out, they read no chat and use no credit.
Selected testers get a 14-day invitation. The clock starts when you begin setting up a world, and the trial never turns into a paid subscription on its own.
Send a problem, question or idea from the dashboard and read our reply there. What you send shapes what we build next.
Cog has spending limits and pauses when the month’s credits run out. There are no automatic overage charges for AI.
Know before you join
Setup shows the Minecraft version and what each player needs on their client. A supported loader does not make every modpack compatible.
Paper worlds run Minecraft Java Edition 1.21.4 unless you upgrade. Every Java player needs the same version as the world.
Bedrock players on iPhone, iPad, Android and Windows join Paper worlds on port 19132. Xbox, PlayStation and Switch cannot join yet.
Our tested companion setup is Paper 1.21.4, with Cog on a private connection and players on authenticated public ones.
Setup lists the supported pack versions. Modded worlds can need matching mods on every player’s client, and they start out without Cog.
Tell us its Minecraft version and modpack before moving it. We check first, because not every save or loader converts safely.
Just you and your world
Hosting-only worlds use the same persistent storage and private player access. They do not run Cog or use AI credits.
Adding the companion later needs a compatibility review. Setup lists the available packs and what they need.
See hosting pricesSaid plainly
One list, kept current, so you can decide with your eyes open. Anything marked ask us we will do with you from the dashboard until it is a button.
Backups and downloads handle worlds up to 2 GB, and uploads up to 1 GB. Anything bigger, we move with you.
One world per trial. Tell us before a destructive change and we will sort out a backup or a test copy with you.
Paper with Cog and our Server Essentials Fabric profile are the two options. You cannot upload your own Modrinth or CurseForge pack, and Forge and NeoForge are not offered. Send a pack request and we will look at it.
Hosted Cog is tested on the standard Paper world. We do not promise that every modded block, recipe or loader works with the companion.
You name your world and choose who joins. The companion is Cog, with their own look and manner. Custom names, skins and personality settings are not in the dashboard.
Each plan brings its credits for the month and Cog pauses when they run out. Paid top-ups are being tested but are not on sale, and there are no automatic overage charges.
Bedrock players can join Paper worlds from iPhone, iPad, Android and Windows, in beta. Xbox, PlayStation and Switch cannot add a server address, so they cannot join yet. Modpack worlds are Java only and stay on the version they were made for.
Questions
The limits of the beta are in one list above. Everything else people ask is here.
On Paper with Cog, yes: there is an AI companion in your world. Describe a build in chat, ask for help gathering materials, or work on a game together. Cog draws on the AI allowance shown in your dashboard. Hosting-only Fabric worlds do not include the companion.
The trial runs on a 4 GB server, sized for a small group. Larger worlds and modpacks need testing against their real load, and memory does not grow on its own when more people join.
The address stays live, but an empty world saves and sleeps after five minutes and wakes when somebody connects. First creation, updates and cold starts take longer than waking a sleeping world.
Yes, twice over. The disk is snapshotted every day and kept for five days. On top of that you can make your own backups from the dashboard, keep five, download them, and put your world back to any of them yourself.
Not for Paper with Cog: an ordinary Minecraft Java client is enough, and Bedrock friends use the Minecraft app they already have. Modpack worlds may need every player to install the matching pack, and setup lists what is needed.
No. The world runs on a hosted server, so there is nothing to set up at home.
Nothing much. The world runs on a hosted server, not your laptop, so friends can keep playing. It sleeps once it has been empty for five minutes.
Yes. Every world is private: it accepts only the players on your list, and each one signs in with their own Microsoft account. You can also change the message people see in their Minecraft server list.
Yes. Friends on your player list can give Cog jobs unless you switch them off in your dashboard. You always can. Making someone an operator does not change this. Cog ignores everyone else.
Yes, by the same rules you do. Ask Cog to follow you, hold the base while you go exploring, or go and turn iron ore into armour, and they gather and craft the materials rather than conjuring them.
The beta includes our tested Server Essentials profile for Fabric 1.21.4, when setup offers it. It runs without Cog. For any other pack, send us a request from your dashboard.
Hosted Cog is tested on the standard Paper world. Hosting a modded world and Cog understanding the world’s mods are separate things, and we do not promise that every modded block, recipe or loader works with the companion.
Make a backup first. Try the change, and if you don’t like it, put the world back to the backup from the dashboard. A separate test copy of a world is still something we set up with you.
Yes, if it is a Java world from your version or older. Zip the save folder, upload it from the Backups panel and choose “Use this world”. Single-player saves and server worlds both work. Modded worlds need the same mods, so ask us about those. Bedrock worlds are saved in a different format and cannot be uploaded.
Yes. Make a backup in the dashboard and download it. It opens in single-player as it is, or on any Java server running the same version or newer.
Yes. The setup screen shows which worlds run without the companion, and on a Paper world you can take Cog out from its settings and bring them back whenever you like. Modpack worlds run without Cog.
Your launcher is on a different Minecraft version from your world. Java Edition only joins a world on the same version, and the launcher picks the newest one by default. Most worlds run Java 1.21.4: in Minecraft Launcher, go to Installations, add a new installation, choose release 1.21.4, and play that one. Your dashboard shows the exact version on your world card, and the joining guide at cubelings.com/join/java has a picture of every step.
Yes, upwards. When a newer version is offered for your world, the dashboard shows an upgrade button. We snapshot the world first. It is one way: Minecraft cannot open a world saved by a newer version. Modpack worlds stay on the version their mods were made for.
Minecraft Java Edition on a computer, on the same version as your world (1.21.4 unless you upgrade). Or, in beta, Minecraft Bedrock on iPhone, iPad, Android or Windows. Every player needs their own copy.
Yes, in beta. Add their Xbox gamertag in the dashboard, and they add your world in Minecraft under Play, Servers, Add Server, with port 19132. They play in the same world as Java players and Cog answers them too. Xbox, PlayStation and Switch cannot add a server address, so they cannot join yet.
Cog measures their own work, so they tell you. They can undo their supported creative-mode builds, and daily disk snapshots are a separate way back. Verification and Safety have the detail.
Early access
Request an invitation to the 14-day trial. No card, no automatic charge.
Invite-only beta
A private Minecraft world for the people you choose, with Cog there to build alongside you. Join the list and we’ll email you when there’s a place.
14-day trial once invited · No card needed