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SecondBrain
by sailex
SecondBrain is an adventure, cursed and social Minecraft mod from sailex with 17.8K downloads on the Orca catalog. It runs on Fabric, so it slots into a matching Minecraft profile without hand-patching anything. SecondBrain is free to download and free to host on Orca: press Play and Orca launches Minecraft with SecondBrain already installed, or host it on a free server to play with friends. There is no control panel and no config files to edit, and no command line to learn. Describe what you want in plain English and Orca installs SecondBrain along with the loader and Minecraft version it needs, then you and your friends are playing in minutes.
AI-powered NPCs that chat and play like real players
How to install SecondBrain
Two ways to add SecondBrain to Minecraft. One takes a click.
- Click Play below. Orca installs SecondBrain with Fabric and the right Minecraft version, then launches straight into the game.
That’s it. Nothing to download or configure.
- Download the latest SecondBrain file from Modrinth for your Minecraft version.
- Install Fabric and launch Minecraft once so the loader profile is created.
- Drop the downloaded .jar into your mods folder (the mods folder inside .minecraft, or your server's mods folder).
- Add any libraries SecondBrain depends on (the Modrinth page lists them) into the same folder, then start Minecraft on the Fabric profile.
SecondBrainversions & compatibility
SecondBrain targets Fabric. Orca matches the right loader and Minecraft version for you when you host or play it, so you never have to line them up by hand. For the full list of supported Minecraft versions and required dependencies, check the Modrinth page.
Mods like SecondBrain
More Minecraft mods in the same vein you can host or play with Orca in one click.




