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code-yagni

Analyze proposed features against YAGNI decision frameworks and cost analysis.

Updated Feb 17, 2026
Search Tags:#code quality#software design#product management#technical debt#yagni#feature creep
One-click install
npx skills add https://github.com/smileynet/code-spice --skill code-yagni
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: code-yagni
Source: https://github.com/smileynet/code-spice/tree/main/skills/code-yagni
Command: npx skills add https://github.com/smileynet/code-spice --skill code-yagni

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill helps developers and product managers avoid building unnecessary features and abstractions, preventing costly bloat and technical debt.

Core Features & Use Cases

  • Decision Frameworks: Provides structured tables and checklists to evaluate feature necessity.
  • Cost Analysis: Details the hidden costs of speculative features (build, delay, carry, repair).
  • Antipattern Detection: Identifies common YAGNI violations in code and design.
  • Use Case: When a new feature is proposed, use the "Should I Build This?" decision table to rigorously assess its immediate value versus future potential, ensuring resources are focused on essential functionality.

Quick Start

Use the code-yagni skill to evaluate if a proposed feature should be built now or deferred.

Frequently Asked Questions about code-yagni

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
What is the YAGNI principle in software design?▼

The YAGNI principle in software design means building only what is immediately needed to avoid speculative generality and feature bloat. It prevents unnecessary technical debt by rigorously deferring features until they are actually required.

How do I decide if a proposed feature should be built or deferred?▼

To decide if a feature should be built, use a structured decision table to evaluate its immediate value versus future potential. Assessing speculative generality and hidden costs like build, delay, carry, and repair helps determine if you should defer the feature.

What are the hidden costs of speculative features in software development?▼

The hidden costs of speculative features in software development include the cost to build, delay, carry, and repair unnecessary code. These features introduce technical debt and bloat that consume resources without delivering immediate value.

How can I identify premature abstractions in my codebase?▼

You can identify premature abstractions in your codebase by detecting common YAGNI antipatterns. Analyzing speculative generality and unused interfaces highlights where design over-engineering has occurred and where refactoring should be targeted.

When should I avoid applying YAGNI to my product management decisions?▼

You should avoid strictly applying YAGNI when a proposed feature has clear, immediate value and is essential for core functionality. Deferring essential requirements can hinder product viability, so balance deferral against immediate technical and business needs.

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