Can it help me implement authentication?

Absolutely. It provides specific implementation patterns for Passport.js, JWT strategies, and custom guards to secure your application endpoints.

How does the skill handle testing?

It guides you through creating test modules, mocking providers with tools like @golevelup/ts-jest, and setting up unit, integration, and E2E tests using Jest.

Does it support both SQL and NoSQL databases?

Yes, it includes specialized knowledge for TypeORM (SQL), Mongoose (MongoDB), and Prisma, covering entity configuration, migrations, and repository patterns.

How does this skill help with Nest.js dependency injection?

It proactively identifies common provider issues, such as missing exports or circular dependencies, and provides community-proven fixes like forwardRef() or architectural refactoring.

Nest.js Framework Expert

Name: Nest.js Framework Expert
Author: claudiodearaujo

byclaudiodearaujo

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API Development

Provides expert guidance on Nest.js application architecture, dependency injection, and enterprise-grade backend development.

This skill transforms Claude into a specialized Nest.js architect, designed to build, debug, and optimize scalable Node.js applications. It provides deep domain expertise in modular architecture, dependency injection patterns, and the full request-response lifecycle including guards, interceptors, and pipes. Whether you are resolving complex circular dependencies, implementing secure JWT authentication with Passport.js, or configuring TypeORM and Mongoose integrations, this skill ensures your codebase adheres to industry best practices and enterprise standards.

Key Features

011 GitHub stars

02Enterprise Security and Authentication with Passport.js

03Full Lifecycle Hook Implementation (Guards, Interceptors, Pipes)

04Robust Database Integration for TypeORM, Mongoose, and Prisma

05Advanced Module Architecture & Dependency Injection Resolution

06Comprehensive Testing Strategies using Jest and Supertest

Use Cases

01Architecting scalable, modular backend systems with clear domain boundaries

02Debugging complex 'Nest can't resolve dependencies' and circular dependency errors

03Setting up end-to-end testing suites for high-reliability API services

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add claudiodearaujo/sistema-de-narra-o-de-livro nestjs-expert

For use in Claude.ai and ChatGPT

Download Skill