fody

name	fody
description	USE FOR: IL weaving at build time to inject cross-cutting concerns such as INotifyPropertyChanged implementation, null-guard checks, method timing, logging, and resource embedding into .NET assemblies. DO NOT USE FOR: Runtime AOP frameworks, source generators that produce C# code, or scenarios where compile-time code generation (Roslyn generators) would be more transparent and debuggable.
license	MIT
metadata	{"displayName":"Fody","author":"Tyler-R-Kendrick","version":"1.0.0"}
compatibility	["claude","copilot","cursor"]
references	[{"title":"Fody GitHub Repository","url":"https://github.com/Fody/Fody"},{"title":"Fody Home and Documentation","url":"https://github.com/Fody/Home"},{"title":"Fody NuGet Package","url":"https://www.nuget.org/packages/Fody"}]

Fody IL Weaving Framework

Overview

Fody is an extensible build-time tool that manipulates .NET Intermediate Language (IL) after the C# compiler produces the assembly. It uses a plugin (add-in) architecture where each add-in performs a specific weaving task -- injecting property-change notifications, adding null checks, embedding satellite assemblies, or timing method execution. Because weaving happens at the IL level during the MSBuild pipeline, the original C# source remains clean and free of boilerplate while the compiled output contains the injected behavior.