Mobs Effects
SFENCE

Provides predefined attribute effects without apply logic for mobs based on Mobs Redo API, modifying movement, combat, and behavior attributes

flinv
Luke

API to add new inventory tabs which work across different inventory mods

Level API
Hypernoot

A library for games to load levels defined as schematics

Lockout
ApolloX

Late-stage Security for Servers

Phonics Library
Neuromancer

Provides a library for creating Phonics (Learn how to read) mods in different languages.

Keyevent
DS

Adds an event for when player presses a key.

Hitboxes Library
SFENCE

Provide functions for specify and recognize hit areas on entities/players.

Ediblestuff API
lazerbeak12345

A unified API for making items, tools and armor edible. Eat armor while wearing it!

Weapons API
Stix

Adds an API to easily register custom weapons

More Triggers
SkyBuilder1717

Adds more triggers for Awards

TPH's Doors API Redo
TPH

(INTENDED FOR DEVELOPERS) Attempts to ease and better simplify door mechanics + registration

Debugging Console
sorcerykid

Provides an in-game HUD to easily monitor debug output

Isogen
BuckarooBanzai

Generate isometric images from ingame builds

Player Settings
1F616EMO

Player-specific settings

deploader
LuantistDork

Simple mod API that automates dependency-specific behaviour using a folder-heavy approach.

Advanced Rangefinder
sorcerykid

Extends the API with search capabilities for entities

Wield Events
mt-mods

Events for wield item switching

Echo
1F616EMO

In-game notification system

Players Effects
SFENCE

Provides predefined attribute effects for players ncluding movement, vision, and brain concussion effects. Apply logic is not included.

more_player_monoids
fluxionary

more player monoids

Old Wizard Font
Pyrollo

OldWizard font for Font API

Face Objects
1F616EMO

Calculate the facing of objects

action queues
fluxionary

provides an API for queuing things for batch processing w/ various ways to specify the batch "size".

Function Delayer
Hybrid Dog

Allows executing functions after a delay to reduce possible lag (EDD scheduler?)

monster_api_gb
Giga_M

add an api to create bosses

Extended Protection
1F616EMO

Extended interaction restriction rule

LCD Font
Nazalassa

A simple font for font_api

Advanced Fight Library
SFENCE

Library for implementing advanced combat systems with hitbox-based damage and body part health tracking

Item Holders
Jose_ManuelS18

Adds 'Item Holders', blocks that hold your items in display, also provides a API.

Scripted World Editor
Neuromancer

API that allows you pass in scripting tables to fill a series of shapes of different sizes with different nodes

Position listeners library
karamel

Players' position observing library

Archipelago Library
Warr1024

Archipelago multi-world randomizer integration library

Promise Stuff
jwmhjwmh

A promise library

Japanese Name
Logikí

transform your player name to japaNESE (joke)

Quest Framework
TeTpaAka

Simple framework to define quests.

Callbacks API
ANAND

callbacks_api is a framework for registering callbacks if the callback registration function exists, else returns gracefully.

Timed World Modifiers library
karamel

Environmental ABM that could be triggered on a very wide range of nodes but only a few at a time.

SmartFS
rubenwardy

A library to allow mods to make Formspecs, a form of GUI, easily.

Chunk Version
Sumi

Stores the numerical version a chunk was generated, so that other mods may query this.

Node Updates
Sumi

Tells nodes when they are updated by neighbors being dug or placed, plus extra features. Last breaking change: 2025-09-10