code-minimization

Write minimum necessary code following YAGNI principle to prevent bloat and over-engineering. Use when implementing features to keep the codebase lean and avoid premature optimization or speculative features.

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Install this agent skill to your Project

npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/development/code-minimization

SKILL.md

Code Minimization

Instructions

Write minimum code

Implement what's needed NOW, not what MIGHT be needed.

Avoid:

Premature optimization
Speculative features
Over-abstraction
Unnecessary complexity

YAGNI principle

You Aren't Gonna Need It

Example

Python Example

python

# ❌ Over-engineered
class ValidatorFactory:
    def create(self, type):
        if type == 'basic': return BasicValidator()
        elif type == 'advanced': return AdvancedValidator()
        # 10 more types... (only use BasicValidator!)

# ✅ Minimal
class EntityValidator:
    def validate(self, entity):
        return entity.required_field is not None

JavaScript/Node.js Example

javascript

// ❌ Over-engineered
class ValidatorFactory {
    create(type) {
        if (type === 'basic') return new BasicValidator();
        else if (type === 'advanced') return new AdvancedValidator();
        // 10 more types... (only use BasicValidator!)
    }
}

// ✅ Minimal
class EntityValidator {
    validate(entity) {
        return entity.requiredField !== null && entity.requiredField !== undefined;
    }
}

Go Example

// ❌ Over-engineered
type ValidatorFactory struct{}

func (f *ValidatorFactory) Create(validatorType string) Validator {
    switch validatorType {
    case "basic":
        return &BasicValidator{}
    case "advanced":
        return &AdvancedValidator{}
    // 10 more types... (only use BasicValidator!)
    }
    return nil
}

// ✅ Minimal
type EntityValidator struct{}

func (v *EntityValidator) Validate(entity *Entity) bool {
    return entity.RequiredField != ""
}

Guidelines

Do: Solve current requirements simply Don't: Add "maybe later" features

For detailed patterns, see reference.md For more examples, see examples.md