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YAGNI Principle In Agile

This article describes the YAGNI principle in Agile.

Purpose

YAGNI stands for You Aren't Gonna Need It. It emphasizes on not implementing features or functionalities until they are required.

Key Idea

Idea	Description
Focus on the present needs	Only build what is necessary for the current requirements.
Avoid wasting time and resources	Avoid wasting time and resources on speculative features that might never be used.
Simplify code and reduce complexity	Simplify code and reduce complexity, making it easier to maintain and test.

Example

Imagine you are developing a user registration system. Your manager suggests adding functionality for OAuth login integration (e.g., Google, Facebook). However, your current requirement is to support only email/password login.

To follow YAGNI, you would implement only the email/password login. Skip the OAuth integration until there is a clear requirement.

Posted By -	Karan Gupta

Posted On -	Friday, March 7, 2025

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