
Modrinth · Minecraft mod
Structure Pool API
📚 API to inject structures into structure pools.
Quick answer
Which Structure Pool API release should I use?
Structure Pool API 1.2.1+1.21.1-fabric targets 1.21, 1.21.1 with Fabric. Do not install it on the client. It must be installed on the dedicated server. All 1 required mods have matching files.
Where it goes
Is Structure Pool API required on the client, server, or both?
Do not install it on the client. It must be installed on the dedicated server.
This file is marked server-only.
What else does Structure Pool API 1.2.1+1.21.1-fabric need?
1.2.1+1.21.1-fabric. Change the file and its required mods may change too.
Install Fabric API first. We found matching files for this game-version and loader setup.
We only count dependency files that match this setup. A file for another loader does not fill the gap.
Before you install it
Add Structure Pool API without breaking your instance.
Built for Structure Pool API 1.2.1+1.21.1-fabric. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use 1.2.1+1.21.1-fabric. It targets 1.21, 1.21.1 with Fabric; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
Install Fabric API first. We found matching files for this game-version and loader setup.
- 03
Put it on the correct side
Do not install it on the client. It must be installed on the dedicated server.
- 04
Pick the file you checked
Use the “Get this file” button beside 1.2.1+1.21.1-fabric. It opens that exact file at the source.
About this project
What does Structure Pool API add?
Structure Pool API
Can be used to inject structures into structure pools. Popular example:
- Adding custom village structures to villages
Additional features:
- Maximize spawn count of the injected structure (e.g. 2 per village)
Read all technical details in the GitHub readme.
Project description from Modrinth.
Pick your setup
Structure Pool API by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.21.1
2 loader builds1.21
2 loader builds1.20.1
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Structure Pool API versions and loaders
1.2.1+1.21.1-fabric
structure_pool_api-fabric-1.2.1+1.21.1.jar
24 Oct 2025
1.2.1+1.21.1-neoforge
structure_pool_api-neoforge-1.2.1+1.21.1.jar
24 Oct 2025
1.2.0+1.21.1-fabric
structure_pool_api-fabric-1.2.0+1.21.1.jar
19 Sept 2025
1.2.0+1.21.1-neoforge
structure_pool_api-neoforge-1.2.0+1.21.1.jar
19 Sept 2025
1.1.3+1.21.1
structure_pool_api-1.1.3+1.21.1.jar
10 Sept 2024
1.1.2+1.21.1
structure_pool_api-1.1.2+1.21.1.jar
10 Sept 2024
1.1.1+1.21.1
structure_pool_api-1.1.1+1.21.1.jar
2 Sept 2024
1.1.0+1.21
structure_pool_api-1.1.0+1.21.jar
11 Aug 2024
1.0+1.20.1
structure_pool_api-1.0+1.20.1.jar
26 Oct 2023
Looking for an older file? The official Modrinth project page is in Resources.