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github.com/FabricMC/fabric-loader @0.19.3

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1,859 symbols 5,371 edges 201 files 240 documented · 13% ● updated 36d ago0.19.3 · 2026-06-01★ 849122 open issues

What it actually does AI analysis from the code graph — generated when you open this

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README

fabric-loader

The loader for mods under Fabric. It provides mod loading facilities and useful abstractions for other mods to use.

License

Licensed under the Apache License 2.0.

Extension points exported contracts — how you extend this code

Person (Interface)

Represents a person. [7 implementers]

src/main/java/net/fabricmc/loader/api/metadata/Person.java

CustomEntry (Interface)

A custom entry point that allows testing functionalities of default methods.

src/test/java/net/fabricmc/test/CustomEntry.java

MappingResolver (Interface)

Helper class for performing mapping resolution. Note : The target namespace (the one being mapped to [5 implementers]

src/main/java/net/fabricmc/loader/api/MappingResolver.java

ModInitializer (Interface)

A mod initializer. In fabric.mod.json, the entrypoint is defined with main key. @see ClientModI [4 implementers]

src/main/java/net/fabricmc/api/ModInitializer.java

LoaderModMetadata (Interface)

Internal variant of the ModMetadata interface. [4 implementers]

src/main/java/net/fabricmc/loader/impl/metadata/LoaderModMetadata.java

LogHandler (Interface)

(no doc) [6 implementers]

src/main/java/net/fabricmc/loader/impl/util/log/LogHandler.java

Core symbols most depended-on inside this repo

get

called by 223

src/main/java/net/fabricmc/loader/api/ObjectShare.java

add

called by 216

src/main/java/net/fabricmc/loader/impl/entrypoint/EntrypointStorage.java

test

called by 152

src/main/java/net/fabricmc/loader/api/metadata/version/VersionComparisonOperator.java

size

called by 135

src/main/java/net/fabricmc/loader/api/metadata/CustomValue.java

format

called by 122

src/main/java/net/fabricmc/loader/impl/util/Localization.java

isEmpty

called by 115

src/main/java/net/fabricmc/loader/impl/transformer/EnvironmentStrippingData.java

peek

called by 81

src/main/java/net/fabricmc/loader/impl/lib/gson/JsonReader.java

put

called by 80

src/main/java/net/fabricmc/loader/api/ObjectShare.java

Shape

Method 1,570

Class 226

Interface 45

Enum 18

Languages

Java100%

Modules by API surface

minecraft/src/main/java/net/fabricmc/loader/impl/game/minecraft/McVersionLookup.java64 symbols

src/main/java/net/fabricmc/loader/impl/discovery/ModSolver.java47 symbols

src/main/java/net/fabricmc/loader/impl/metadata/V1ModMetadata.java45 symbols

src/main/java/net/fabricmc/loader/impl/lib/gson/JsonReader.java43 symbols

src/main/java/net/fabricmc/loader/impl/FabricLoaderImpl.java43 symbols

src/main/java/net/fabricmc/loader/impl/launch/knot/MixinServiceKnot.java39 symbols

src/main/java/net/fabricmc/loader/impl/launch/knot/KnotClassDelegate.java38 symbols

src/main/java/net/fabricmc/loader/impl/gui/FabricStatusTree.java38 symbols

src/main/java/net/fabricmc/loader/impl/discovery/ModCandidateImpl.java37 symbols

src/main/java/net/fabricmc/loader/impl/gui/FabricMainWindow.java35 symbols

src/main/java/net/fabricmc/loader/impl/metadata/V0ModMetadata.java33 symbols

src/main/java/net/fabricmc/loader/impl/metadata/BuiltinModMetadata.java33 symbols

For agents

$ claude mcp add fabric-loader \
  -- python -m otcore.mcp_server <graph>

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