MultiYggdrasil
Java mod listed for Minecraft 1.16–1.21. Downloads from the MC Java Mods app on Android.
I don't know my version or loader
MultiYggdrasil
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Summary
MultiYggdrasil is a Forge | Fabric | NeoForge mod.
It allows you to set multiple Yggdrasil API sources, including the official and other external authentication servers.
Config design is inspired by MultiLogin, and some codes are borrowed from authlib-injector under the AGPL-3.0 license.
patchwork
Deploy
Same as other mods, there are only three steps:
- Download mod from CurseForge | Modrinth
- Throw it into
/mods - Launch the server
Configuration
A template:
# This config is located at config/multi-yggdrasil.ini
[SomeRandomMirror] # The name, can be set freely, has no impacts.
type = OFFICIAL # The type, now has 2 types, "OFFICIAL" and "BLESSING_SKIN".
authHost = https://a.random.mirror # |- The specific value of "OFFICIAL" type.
accountsHost = https://a.random.mirror # | Requirements in below.
sessionHost = https://a.random.mirror # |
servicesHost = https://a.random.mirror # |
profilesHost = https://a.random.mirror # |
ordinal = 0 # The ordinal, decided the order of use for this source
[MojangOfficial]
type = OFFICIAL # When using "OFFICIAL" type, there can be no host-like property,
ordinal = 1 # and it will use the official API.
[LittleSkin]
type = BLESSING_SKIN # ↙ The specific value of "BLESSING_SKIN" type.
apiRoot = https://littleskin.cn/api/yggdrasil/
ordinal = 2
The requirements of these host-like specific values for “OFFICIAL” type are depending on the MC version, see the table below:
| authlib | Minecraft | authHost | accountsHost | sessionHost | servicesHost | profilesHost |
|---|---|---|---|---|---|---|
| 1.5.25~1.6.25 | 1.14.4~1.16.3 | ✅ | ✅ | ✅ | ❌ | ❌ |
| 2.1.28~4.0.43 | 1.16.4~1.20.1 | ✅ | ✅ | ✅ | ✅ | ❌ |
| 5.0.47 | 1.20.2 | ❌ | ✅ | ✅ | ✅ | ❌ |
| 6.0.52~6.0.58 | 1.20.3~1.21.8 | ❌ | ❌ | ✅ | ✅ | ❌ |
| 7.0.61 | 1.21.9~1.21.11 | ❌ | ❌ | ✅ | ✅ | ✅ |
Version Supporting
| Minecraft | Forge | Fabric | NeoForge |
|---|---|---|---|
| 1.14.4- | ❌ | ❌ | ❌ |
| 1.14.4~1.19.4 | ✅ | ✅ | ❌ |
| 1.20.1~26.1 | ✅ | ✅ | ✅ |
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21.5, 1.21.7, 1.21.6
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on CurseForge — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
- Ships as multiyggdrasil-1.21.10-forge-1.1.1.jar — drop this file into the mods folder
- Download size: 258 KB
- Download link checked 2 Oct 2026 — working
These come from our own check of the pack file, not from the source page.