For purists
An AI that builds for you can ruin Minecraft.
We sell one, so you should hear the objection from us rather than from somebody quoting us. It is a good objection, held by people who care about this game more than most. Here is what it gets right, and the three places we think it stops.
The objection
Put it at its strongest first
In February 2026 a Minecraft org promoted a prompt-to-structure tool. Tubbo told them exactly what he thought of it and TommyInnit joined in. The word that stuck in the comments was soulless, and the argument underneath it was that an AI playing the game for you removes the reason to play it.
That was not a one-off. On 13 August 2026 Modrinth banned AI-generated
project content outright — icons, banners, descriptions, and any project
made mostly of generative output. Their reason was one sentence long:
we believe that it has to be your work, and generating it completely
with AI is not your work
. Mojang has pledged no generative AI in
Minecraft's own development, because, as Agnes Larsson put it,
we believe it's essential that we remain happy creating as humans
.
The people saying this are not cranks. They are the people who spent forty hours on a build and know that the forty hours were the build. A picture of a castle you did not make is a picture. If that is what Minecraft is to you, an AI builder has nothing to sell you. No amount of marketing should change that.
So the honest question is not whether the objection is fair. It is who it applies to.
First answer
Cog is a thing you can turn off.
Under all of this is a hosted Minecraft server. It stays up when you log off, your friends join on the copy of the game they already own and pay nothing, and you can run it vanilla, on Paper, on Fabric, Forge or NeoForge, or on a modpack you name. Whitelist, scheduled backups, and the save downloadable whenever you want it.
You can buy exactly that and no AI. It is a cheaper plan, it is the same hosting, and there is nobody in the world but the people you invited. If you change your mind later, Cog can be added without moving worlds. Nobody has to talk to an AI to get a server out of us.
Second answer
In survival there is no god mode
The tool that drew the fury hands you a finished megabuild. In survival Cog cannot do that, and the reason is structural rather than a promise: the survival code issues no server commands at all. Nothing is granted to them and nowhere is teleported to. What is left is what a player has.
- They walk. Cog paths there on foot, at walking speed, over the hills and around the water. A mining trip is mostly the trip.
- They break the block and then go and pick it up. Breaking ore drops an item on the floor. Cog has to walk over the drop, and the number you get told is counted out of the inventory afterwards.
- The wrong pickaxe gets them nothing. Iron needs stone or better, gold and diamond need iron. Cog checks the tool before swinging, because the alternative is destroying the ore. They make the pickaxe first, the way you do.
- They craft at a table. If the recipe needs a crafting table, Cog walks to one and stands next to it, because the server will not accept the craft otherwise.
- They take the damage. When Cog fights, the health they lost is measured and reported. Low health means they break off and come home, which is what you would do.
That is a second player, and a fairly ordinary one. They have to earn the iron before they can hand you the armour.
Where that stops
Creative is the cheat mode, and we use it
In creative Cog places blocks straight down with server commands. Nothing is gathered and nothing is crafted, and a thirty-thousand-block galleon goes up in seconds. That is cheating in every sense the word has. It is also what creative mode is for, and the game has shipped it for years.
We are not going to pretend the two modes are the same thing. They are different products for different afternoons, and the page that lays out which is which does not soften either of them.
Third answer
Nothing was taken from the nine-year-old
The objection assumes somebody who could have built the thing and chose not to. Sometimes that is exactly who is asking, and for that person the criticism lands.
Most of the people who ask Cog for a dragon castle are not that person. A nine-year-old wants the castle and is never going to spend a fortnight learning WorldEdit to get it. The forty hours of craft were not on offer and were not declined. Without a tool like this the castle simply does not exist, and what the child had instead was a drawing of it.
Which is why the blocks going down one at a time matters more than it sounds. Cog builds in the world you are standing in, while you stand in it. Nothing is delivered from somewhere else and there is no file to import. The kid described it, watched it happen, and can walk inside it afterwards. That is a different afternoon from opening a schematic, and it is the one we are actually selling.
Being straight about it
What we will not do with any of this.
- Nothing Cog makes leaves your world. Nothing goes up on Modrinth or CurseForge. Nothing gets passed off as anybody's handiwork. It stands in a private whitelisted world, and the save is yours to download.
- Every build on this site was measured in a running world. Every block count was read back out of the world afterwards rather than reported by the thing that placed them, and the runs that failed are published with the rest.
- We will not tell you it makes you a builder. It does not. It makes you somebody who asked for something and got it. That is a real thing to want. It is not the same thing.
Who it is for
And who should walk away
If the placing of the blocks is the part you came for, buy the hosting and leave Cog out of it, or do not buy anything from us. We would rather say that than sell you a subscription you will resent by the second month.
If you want a world your mates can get into tonight, with somebody in it who will go and mine while you build the bit you care about, or who will put up the thing your kid described at breakfast — that is the one we built.
Read next
Check any of it
- Cog as a teammate — the eight steps behind "get some iron and make us armour".
- Creative and survival — what each mode does and does not do.
- Hosting — including the plan with no AI in it.
- Compare — against Realms, a rented box and a build generator.
- Verification — how a number gets on this site.
Be in the first worlds.
We are opening a small number to begin with. Put your name down and we will tell you when yours is ready.