Buildmancer
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Install guide

Up and building in 5 minutes

There are two jars. Pick the one that matches how you play — the chooser below takes ten seconds.

Which one do I need?

Running a Paper or Spigot server?
Use the plugin — it covers Minecraft 1.21.11 – 26.2, including the current release. This is the only option if you're on the latest Minecraft.
Playing singleplayer, or running a Fabric server?
Use the mod — Minecraft 1.21.11 only. Newer versions are blocked upstream: Mojang publishes no official mappings for 26.2 and Fabric's yarn mappings aren't out, so no Fabric mod can be built against it yet.

Requirements

Paper / Spigot server — players need nothing

Install it once, server-side. Everyone joins from a vanilla client with nothing to download, and anyone with operator (or the buildmancer.build permission) can run /bm.

  1. 1Download buildmancer-paper-0.2.2.jar.
  2. 2Drop it into the server's plugins/ folder. No other plugins or dependencies needed.
  3. 3Restart the server. Make sure it can reach the build service over HTTPS.
  4. 4Op a builder (/op you) and run /bm a cosy cottage, looking where you want it.
↓ Download the Paper plugin

Singleplayer / client

  1. 1Run the Fabric installer and create a profile for Minecraft 1.21.11.
  2. 2Download buildmancer-0.2.2.jar and Fabric API.
  3. 3Drop both .jar files into .minecraft/mods/ (or your instance's mods folder).
  4. 4Launch the Fabric profile. Create a world with Allow Commands turned on (or op yourself). Any game mode — creative isn't required.
  5. 5Type /bm a cosy cottage and look where you want it built.
↓ Download the mod jar

Fabric server (players need nothing)

Commands are server-side, so only the server needs the mod. Anyone with operator/level-2 can run /bm from a vanilla client.

  1. 1Use a Fabric server for 1.21.11. Paper / Spigot / Bukkit can't load Fabric mods — use the plugin above instead.
  2. 2Put buildmancer-0.2.2.jar + Fabric API in the server's mods/.
  3. 3Make sure the server host can reach the build service over HTTPS.
  4. 4Restart, op a builder (/op you), and run /bm ….

Commands

/bm <request>Design and build something where you're looking.
/bm place <thing>Drop a single learned prefab (a tree, a statue, a bridge).
/bm learn <file>Teach it a style from a schematic in your schematics folder.
/bm edit <change>Rework your last build in place — "taller", "add a tower", "in stone".

Activating credits you bought

Paste the key from your purchase into the config and restart. There is nothing to type in-game, and it works with the jar you already have — no update needed.

Fabric mod
config/buildmancer.properties
token=bm_live_…
Paper / Spigot plugin
plugins/Buildmancer/config.yml
token: bm_live_…

On a server the key lives in the server's config, so it covers everyone playing there — it's a server licence, not a personal one. Keep it private: anyone who has it can spend your credits. Check what's left any time at /balance.

First build slow?

The build service scales to zero when idle, so the very first /bm after a lull can take a few extra seconds to wake up. After that it's quick — the live service status is shown at the bottom of every page.

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