mod
MCAIMinecraft mod for 1.21.10
MCAI is a mod that serves as an intermediary between Minecraft and Character AI.
- Latest version
- 2
- Minecraft
- 1.20 to 1.21.10
- Java
- Java 21+
- Loader
- Fabric
- Licence
- MIT
- Downloads
- 2.7k
- Updated
- 11 mo ago
- Available on
- Modrinth
Our hostingHost MCAI servers
One click and MCAI is installed with the right loader, on hardware built for it.
- 1.21.10
- Fabric
- One click mod install
- Loader matched for you
- Ryzen CPUs
- NVMe SSD
Minecraft versions
Every version MCAI declares support for, newest first, with the Java runtime that version needs.
| Minecraft | Through | Java | Evidence | Released |
|---|---|---|---|---|
| 1.21.10 | Fabric | 21+ | declared | 7 Oct 2025 |
| 1.21.9 | Fabric | 21+ | declared | 30 Sept 2025 |
| 1.21.8 | Fabric | 21+ | declared | 17 Jul 2025 |
| 1.21.7 | Fabric | 21+ | declared | 30 Jun 2025 |
| 1.21.6 | Fabric | 21+ | declared | 17 Jun 2025 |
| 1.21.5 | Fabric | 21+ | declared | 25 Mar 2025 |
| 1.21.4 | Fabric | 21+ | declared | 3 Dec 2024 |
| 1.21.3 | Fabric | 21+ | declared | 23 Oct 2024 |
| 1.21.2 | Fabric | 21+ | declared | 22 Oct 2024 |
| 1.21.1 | Fabric | 21+ | declared | 8 Aug 2024 |
| 1.20.6 | Fabric | 21+ | declared | 29 Apr 2024 |
| 1.20.5 | Fabric | 21+ | declared | 23 Apr 2024 |
| 1.20.4 | Fabric | 17+ | declared | 7 Dec 2023 |
| 1.20.3 | Fabric | 17+ | declared | 4 Dec 2023 |
| 1.20.2 | Fabric | 17+ | declared | 20 Sept 2023 |
| 1.20.1 | Fabric | 17+ | declared | 12 Jun 2023 |
| 1.20 | Fabric | 17+ | declared | 2 Jun 2023 |
Download
From MCAI’s own host. Nothing is re-hosted here.
Most recently published release
mcai-v2-1.21.jar · 5.2 MB · for 1.21.10, 1.21.9, 1.21.8, 1.21.7, 1.21.6 +5 more · Fabric
039679cbb972…Frequently asked
Does MCAI work on Minecraft 1.21.10?
Yes. 1.21.10 is the newest Minecraft version MCAI declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.
Which Minecraft versions does MCAI support?
Everything the author has declared, from 1.20 up to 1.21.10. The full list is in the table above, with the Java runtime each version needs next to it.
Do I need to install MCAI on the client or the server?
The server only. Players join with an ordinary Minecraft client and install nothing.
Which platform or loader does MCAI support?
Fabric. A build for one platform or loader will not necessarily load on another, so this is the first thing to check before the Minecraft version.
Which Java version do I need for MCAI?
Among the supported Minecraft releases above, the highest recorded requirement is Java 21 or newer. Use the requirement for the exact Minecraft version you run; previews and snapshots may differ.
What licence is MCAI under?
MIT, as stated by the author on the platform we synced it from. Check the project's own page before redistributing or bundling it.
How do I install MCAI?
Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the mod and Minecraft all have to be on the same version, which is the usual reason a mod does not appear in game.
Where do I download MCAI safely?
Start with the author's page on Modrinth, which is where the data here is synced from. MCReference does not host or repackage files. When available, recorded download links go to the source for that release; verify the publisher, filename and any available checksum before running it.
Works on the same versions
Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.
Is this information wrong or missing something? .