CurseForge · Minecraft mod
Structure Pool API
📚 API to inject structures into structure pools.
Quick answer
Which Structure Pool API release matches 1.21 Fabric?
Structure Pool API structure_pool_api-fabric-1.2.1+1.21.1.jar targets 1.21, 1.21.1 with Fabric. The project page does not say whether this file belongs on the client, dedicated server, or both. 1 required mod needs a matching file.
Where it goes
Is Structure Pool API required on the client, server, or both?
The project page does not say whether this file belongs on the client, dedicated server, or both.
The source does not explicitly classify this release as client-only or server-only.
What else does Structure Pool API structure_pool_api-fabric-1.2.1+1.21.1.jar need?
structure_pool_api-fabric-1.2.1+1.21.1.jar on 1.21 Fabric. Every mod below is checked against that same setup.
Install Fabric API first, but 1 required mod has no matching file for this setup. Do not mix loader builds to force a match.
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 structure_pool_api-fabric-1.2.1+1.21.1.jar on 1.21 Fabric. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use structure_pool_api-fabric-1.2.1+1.21.1.jar. 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, but 1 required mod has no matching file for this setup. Do not mix loader builds to force a match.
- 03
Put it on the correct side
The project page does not say whether this file belongs on the client, dedicated server, or both.
- 04
Pick the file you checked
Use the “Get this file” button beside structure_pool_api-fabric-1.2.1+1.21.1.jar. 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 CurseForge.
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
1 loader build1.20.1
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
structure_pool_api-fabric-1.2.1+1.21.1.jar
24 Oct 2025
structure_pool_api-fabric-1.2.0+1.21.1.jar
19 Sept 2025
structure_pool_api-1.1.3+1.21.1.jar
10 Sept 2024
structure_pool_api-1.1.2+1.21.1.jar
10 Sept 2024
structure_pool_api-1.1.0+1.21.jar
11 Aug 2024
Looking for an older file? The official CurseForge project page is in Resources.