Is it compatible with microservices architecture?

Yes, NestJS Expert understands modularity and dependency injection, which are core components of building scalable microservices within the NestJS ecosystem.

What is the NestJS Expert skill for Claude Code?

It is a specialized capability that enables Claude to act as a senior backend engineer, providing domain-specific guidance for building enterprise-grade NestJS applications.

How does it handle API validation?

It enforces the use of Data Transfer Objects (DTOs) combined with class-validator and class-transformer to ensure all incoming request data is strictly validated.

Can it help with testing my NestJS application?

Absolutely. The skill includes patterns for writing comprehensive unit tests for services and end-to-end (E2E) tests for controllers using Jest and Supertest.

Does this skill support both TypeORM and Prisma?

Yes, the skill is proficient in both TypeORM and Prisma, providing best practices for data modeling, migrations, and repository patterns.

NestJS Expert

Name: NestJS Expert
Author: Jeffallan

byJeffallan

•

API Development

Builds scalable, enterprise-grade Node.js server-side applications using NestJS best practices and architectural patterns.

The NestJS Expert skill transforms Claude into a senior backend engineer specialized in creating robust, modular TypeScript applications. It provides high-quality implementations of controllers, services, and modules while enforcing industry standards like dependency injection, DTO validation, and comprehensive error handling. Whether you are integrating databases via TypeORM/Prisma or securing APIs with JWT and Passport, this skill ensures your backend code remains testable, maintainable, and production-ready.

Key Features

01Automated generation of modular NestJS structures including Modules, Controllers, and Services

02Seamless database integration patterns for TypeORM and Prisma ORMs

03Standardized API documentation using Swagger/OpenAPI decorators

04DTO creation with integrated class-validator and class-transformer logic

05Implementation of enterprise security layers including JWT guards and Passport strategies

067 GitHub stars

Use Cases

01Building RESTful or GraphQL APIs for enterprise-scale web applications

02Implementing secure authentication and authorization systems with role-based access control

03Migrating legacy Node.js backends to a structured NestJS architecture

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add jeffallan/claude-skills nestjs-expert

For use in Claude.ai and ChatGPT

Download Skill