nestjs

Review NestJS modules for architecture, DI, guards, interceptors, and DTO validation.

Updated Jan 29, 2026

Search Tags:#architecture #code-review #nestjs #guards #DI #interceptors #DTO-validation

Ready to run

npx skills add https://github.com/yldgio/codereview-skills --skill nestjs-yldgio

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: nestjs
Source: https://github.com/yldgio/codereview-skills/tree/main/skills/nestjs
Command: npx skills add https://github.com/yldgio/codereview-skills --skill nestjs-yldgio

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps code reviewers identify and fix architectural issues in NestJS modules, promoting scalable and maintainable enterprise NestJS applications.

Core Features & Use Cases

Module architecture guidance: Enforces modular boundaries and sensible forRoot/forRootAsync patterns to avoid tight coupling.
DI, Guards, and Interceptors best practices: Recommends patterns for dependency injection, authentication guards, and interceptor usage to ensure consistent behavior.
DTO validation and error handling: Promotes DTOs with validation and standardized error responses across services and controllers.

Quick Start

Prompt the assistant to review a NestJS module for architecture, DI usage, guards, interceptors, and DTO validation.

Frequently Asked Questions about nestjs

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

FAQPage Schema

How do I review NestJS module architecture for tight coupling?▼

To review NestJS module architecture, enforce modular boundaries and apply sensible forRoot or forRootAsync patterns to prevent tight coupling between modules. This ensures scalable, maintainable enterprise applications by keeping dependencies isolated within their respective domains.

What is the best way to implement DTO validation in NestJS services?▼

The best way to implement DTO validation in NestJS is by using class-validator and class-transformer to enforce validation rules and standardize error responses across services and controllers. This guarantees consistent data shape checking and error handling throughout the application layer.

How do I structure NestJS guards and interceptors for consistent behavior?▼

Structure NestJS guards and interceptors by following recommended dependency injection patterns to ensure consistent authentication and processing behavior. Applying these patterns uniformly across controllers standardizes request handling and error management throughout the application.

Does this NestJS architecture guidance apply to enterprise-grade projects?▼

Yes, this NestJS architecture guidance explicitly applies to enterprise-grade projects with layered architecture and strict validation requirements. It targets scalable applications needing modularization, consistent DTO validation, and standardized error handling across complex module structures.

When do I need to use forRootAsync patterns in NestJS modules?▼

You need to use forRootAsync patterns in NestJS modules when managing dynamic configuration dependencies that require asynchronous initialization. This pattern prevents tight coupling by allowing dependency injection to handle configuration before the module is fully instantiated.