JAOPCAGT
JAOPCAGT is a Forge and NeoForge addon that adds GregTech content to Ore Processing Compatibility Attempt, and it needs GregTech CEu Modern and JAOPCA to run.
What it does
Its main job is compatibility: it bridges JAOPCA's ore processing with the GregTech family of mods, so ore definitions from one side are used by the other. Builds for several GregTech lines are listed by game version, including GregTech 4, GregTech 5 Unofficial, GregTech Community Edition and GregTech CE for the Modern branch, with separate version lists for 1.7.10, 1.12.2, 1.19.2 and 1.20.1.
Both required dependencies, GregTech CEu Modern and JAOPCA, must be present for the addon to load. A server running it needs every connecting player to have it too. Files cover 1.7.10, 1.12.2, 1.19.2, 1.20.1, 1.21 and 1.21.1, with the latest Forge and NeoForge file being GTCEu-1.20.1-2.1.2.10 for 1.20.1, published 2025-12-12 on the alpha channel.
The project is open source under the MIT License, and its source code and issue tracker are public. It was first published on 2024-02-17 and last updated on 2025-12-12. Among the 472 Cursed mods with Forge files for 1.21.1, it sits in the Cursed category alongside Technology and Utility tags.
Key features
GregTech 4 bridge
A separate build links JAOPCA to the GregTech 4 line, so its ore definitions can be used there.
GregTech 5 Unofficial bridge
A build for GregTech 5 Unofficial brings the same ore processing links to that line.
Community Edition bridge
A build connects JAOPCA to the GregTech Community Edition line for ore processing.
Modern branch bridge
A build targets the GregTech CEu Modern branch, which the 1.20.1 and 1.21.1 files are written for.
Compatibility
Latest build for each game version and loader.
Only full game releases are shown. This mod publishes no snapshot builds.
Requirements
Dependencies declared by the latest file for each loader.
Required 2
Use cases
Who it’s for: Modpack authors and server owners who combine JAOPCA with a GregTech line, and players who need an older GregTech version such as 1.7.10 or 1.12.2.
How it compares
GregTech Calculator Board is client-side only and open source under the MIT License, covering 1.20.1 – 1.21.1 on Forge and NeoForge, so servers need nothing from it. GregTech Modern Quality of Life is also client-side only, but it is Forge-only for 1.20.1 and released under the GNU Lesser General Public License v3.0 only. GregTech Placeable Emitters runs on client and server for 1.20.1 – 1.21.1 on Forge and NeoForge, but it is not open source and uses All rights reserved.
| Mod | Loaders | Game versions | Environment | Updated |
|---|---|---|---|---|
| JAOPCAGT | Forge and NeoForge | 1.7.10 – 1.21.1 | Client and server | 2025-12-12 |
| GregTech Calculator Board | Forge and NeoForge | 1.20.1 – 1.21.1 | Client-side only | 2026-10-10 |
| GregTech Modern Quality of Life | Forge | 1.20.1 | Client-side only | 2026-08-08 |
| GregTech Placeable Emitters | Forge and NeoForge | 1.20.1 – 1.21.1 | Client and server | 2024-12-22 |
Questions
Does JAOPCAGT need GregTech CEu Modern?
Does the server need JAOPCAGT?
Which game version suits this addon?
In the catalog
JAOPCAGT is one of 7,555 Cursed mods on ModsFinder, and one of 3,426 Cursed mods for Forge. 32,366 mods support Minecraft 1.21.1.
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Similar mods
Official listing
- Modrinth page
- modrinth.com/mod/jaopcagt
- Owner
- TheLMiffy1111
- Published
- 2024-02-17
- Updated on Modrinth
- 2025-12-12
- Facts verified
- 2026-10-15