Chrysalis
by sydneybeanmc
Chrysalis is a library mod for mod developers, offering utility methods and built-in systems that help with creating other mods.
What it does
Chrysalis collects a set of utility classes that developers can call while building their own mods. Its built-in systems include a structure-specific music system, a mob bucketing system, a camera shake system and a custom weighted option, so these features do not have to be written from scratch. A splash text system and several additional commands are included as well.
Admin-only items are included to make play-testing more convenient for developers, and the mod also adds a few new features beyond the library code. The wiki covers the current version, though some of its information is slightly outdated. Chrysalis requires Fabric API on Fabric and runs on Fabric or NeoForge. Every player and the server need a copy of the mod. Files are published for 1.21.1 and 1.21.4, the latest Fabric file being 0.5.0 for 1.21.1 and the latest NeoForge file 0.5.7 for 1.21.4. The mod uses a custom license and is not open source.
Key features
Music tied to structures
A music system plays tracks that change with the structure a player is in, set by the developer's configuration.
Mob bucketing
A bucketing system lets mobs be captured and stored in item form, which other mods can build on.
Camera shake
A camera shake system offers a reusable effect for events that should move the player's view.
Admin play-testing items
Items restricted to admins assist developers who test their mods in a running game.
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 1
Required by 3 mods
Use cases
Building a new mod
A developer uses the utility classes and built-in systems instead of writing them from scratch.
Who it’s for: Mod developers who want ready-made utilities for music, mob handling, camera effects and testing, and server owners who run mods built on the library.
Questions
Does Chrysalis need Fabric API?
Which versions does Chrysalis support?
Which mods depend on Chrysalis?
In the catalog
Chrysalis is one of 3,514 Library mods on ModsFinder, and one of 2,348 Library mods for Fabric. 17,979 mods support Minecraft 1.21.4.
More from sydneybeanmc
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What the author says
Chrysalis is a library mod for NeoForge 1.21.4 with built-in features to assist with mod development and to make modding a bit more accessible for developers! For more information about Chrysalis, please check out the Wiki!
Official listing
- Modrinth page
- modrinth.com/mod/chrysalis
- Owner
- sydneybeanmc
- Published
- 2023-04-27
- Updated on Modrinth
- 2025-05-24
- Facts verified
- 2026-10-15