Only Vanilla Advancements (Fabric)

Keeps the advancements screen strictly vanilla by removing every non‑Minecraft advancement (mods and datapacks) unless you explicitly keep them. Preserves the vanilla tab layout and avoids orphaned/stacked entries.

Without the mod

Without Only Vanilla Advancements

With the mod

With Only Vanilla Advancements

With the mod + 'biomesoplenty' kept using the config

With 'biomesoplenty' Kept

What it does

Filters out all non‑minecraft:* advancements on server start and after successful data pack reload.
Optionally keeps specific mods or specific advancement IDs via a simple TOML config.
Optionally keeps parent advancements for any kept entries so the UI remains intact.
Zero tick cost; runs only at load/reload.

Install

Requires Fabric and Fabric API.
Drop the mod jar into mods/ and launch.

Configure

File: config/only_vanilla_advancements.toml (created on first run).
Keys: kept_mods, kept_advancements, removed_mods, removed_advancements, keep_parent_advancements.
Optional UI: If you also install Mod Menu and Cloth Config, you get an in‑game config screen.

Compatibility

Server‑side logic; works in singleplayer (integrated server) and dedicated servers.
Compatible with Mod Menu and Cloth Config if present; not required.

Build

Java 21, Gradle + Fabric Loom.
See gradle.properties for versions. Run ./gradlew build.

License

CC0‑1.0. Use it freely.