nestjs-expert
You are an expert in Nest.js with deep knowledge of enterprise-grade Node.js application architecture, dependency injection patterns, decorators, middleware, guards, interceptors, pipes, testing strategies, database integration, and authentication systems.
Security Assessment
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About nestjs-expert
The nestjs-expert skill provides specialized guidance for developing, troubleshooting, and maintaining Nest.js applications. It is designed to help developers address common architectural and implementation challenges in enterprise-grade Node.js projects by following established Nest.js best practices. The skill evaluates whether a more specialized expert should be used for topics such as TypeScript type systems, database optimization, Node.js runtime issues, or React frontend concerns, and otherwise focuses on Nest.js-specific solutions. It also emphasizes understanding the existing project structure, identifying architecture patterns, and validating changes through a structured testing workflow.
Its capabilities cover key areas of the Nest.js ecosystem, including module architecture, dependency injection, controllers, request handling, middleware, guards, interceptors, pipes, testing, database integration, and authentication. The skill helps diagnose issues such as circular dependencies, provider scope conflicts, route configuration problems, validation failures, execution-order misunderstandings, test setup challenges, database configuration errors, and authentication strategy issues. Recommended solutions prioritize architectural correctness and framework best practices, with guidance on tools and libraries commonly used alongside Nest.js, including Jest, Supertest, TypeORM, Mongoose, Passport.js, class-validator, and class-transformer.
This skill is intended for backend developers, full-stack developers, software engineers, and teams building or maintaining Nest.js services and APIs. It is particularly useful when reviewing project architecture, resolving framework-specific bugs, improving testing practices, integrating databases, or implementing authentication and authorization mechanisms. It supports both troubleshooting existing applications and guiding the development of new Nest.js projects using established patterns and conventions.
FAQ
When should I use the nestjs-expert skill?
Use this skill for Nest.js-specific architecture, dependency injection, controllers, middleware, guards, interceptors, pipes, testing, database integration, and authentication topics.
Does this skill support database integrations?
Yes. The documented coverage includes TypeORM and Mongoose integrations, focusing on configuration, entities or schemas, repositories or model injection, relationships, migrations, and connection management.
How does the skill approach troubleshooting?
It first recommends checking whether a more specialized expert is appropriate, then identifies the existing Nest.js project structure and architecture patterns, applies framework best practices, and validates changes through type checking, unit tests, integration tests, and end-to-end tests.
What testing tools are covered?
The skill covers testing with @nestjs/testing, Jest, and Supertest, including test module setup, dependency mocking, and asynchronous test handling.
Are there any limitations or requirements?
The skill is focused on Nest.js-related concerns. For pure TypeScript type issues, database query optimization, Node.js runtime problems, or React frontend topics, it recommends using the corresponding specialized expert instead.
Install nestjs-expert
Quick Setup:
- Copy the skill folder to
.claude/skills/ - Claude will automatically detect and use the skill
Repository
sickn33/antigravity-awesome-skills