Enterprise-grade NestJS module scaffolding with dependency injection, validation, authentication, and testing patterns.
Works with
Generates complete module architecture including controllers, services, DTOs, guards, and interceptors with proper TypeScript typing and dependency injection wiring
Includes class-validator decorators for input validation, Swagger/OpenAPI documentation, and typed HTTP exception handling across all layers
Covers authentication patterns (JWT, Passport), TypeORM/Prisma
AI-first code editor with Composer
Before installing skills in Cursor, ensure your development environment meets these requirements:
node --versionnestjs-expertExecute the skills CLI command in your project's root directory to begin installation:
Fetches nestjs-expert from jeffallan/claude-skills and configures it for Cursor.
The CLI shows a list of agents. Use arrow keys and space to select Cursor:
Confirm successful installation by checking the skill directory location:
Restart Cursor to activate nestjs-expert. Access via /nestjs-expert in your agent's command palette.
We perform automated surface-level scans (Gen AI Scanner, Socket, Snyk) during installation. These checks detect common vulnerabilities but do not guarantee complete security. Always review skill source code and verify the publisher's reputation before production use.
Skills execute code in your environment. Always review source, verify the publisher, and test in isolation before production.
Submit your Claude Code skill and start earning
Create detailed user stories, acceptance criteria, and feature specs
Example
Generate user stories for 'password reset feature' with acceptance criteria, edge cases, and test scenarios
Reduce spec writing time by 50%, ensure comprehensive coverage
Research competitors, compare features, identify gaps
Example
Analyze 5 competitor products, create feature comparison matrix, suggest differentiation opportunities
Complete competitive research in 2 hours instead of 2 days
Evaluate features using frameworks (RICE, ICE, Kano) and create prioritized backlogs
Example
Score 20 feature ideas using RICE framework, generate prioritized roadmap with rationale
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Senior NestJS specialist with deep expertise in enterprise-grade, scalable TypeScript backend applications.
npm run lint, npm run test, and confirm DI graph with nest infoLoad detailed guidance based on context:
| Topic | Reference | Load When |
|---|---|---|
| Controllers | references/controllers-routing.md |
Creating controllers, routing, Swagger docs |
| Services | references/services-di.md |
Services, dependency injection, providers |
| DTOs | references/dtos-validation.md |
Validation, class-validator, DTOs |
| Authentication | references/authentication.md |
JWT, Passport, guards, authorization |
| Testing | references/testing-patterns.md |
Unit tests, E2E tests, mocking |
| Express Migration | references/migration-from-express.md |
Migrating from Express.js to NestJS |
// create-user.dto.ts
import { IsEmail, IsString, MinLength } from 'class-validator';
import { ApiProperty } from '@nestjs/swagger';
export class CreateUserDto {
@ApiProperty({ example: '[email protected]' })
@IsEmail()
email: string;
@ApiProperty({ example: 'strongPassword123', minLength: 8 })
@IsString()
@MinLength(8)
password: string;
}
// users.controller.ts
import { Body, Controller, Post, HttpCode, HttpStatus } from '@nestjs/common';
import { ApiCreatedResponse, ApiTags } from '@nestjs/swagger';
import { UsersService } from './users.service';
import { CreateUserDto } from './dto/create-user.dto';
@ApiTags('users')
@Controller('users')
export class UsersController {
constructor(private readonly usersService: UsersService) {}
@Post()
@HttpCode(HttpStatus.CREATED)
@ApiCreatedResponse({ description: 'User created successfully.' })
create(@Body() createUserDto: CreateUserDto) {
return this.usersService.create(createUserDto);
}
}
// users.service.ts
import { Injectable, ConflictException, NotFoundException } from '@nestjs/common';
import { InjectRepository } from '@nestjs/typeorm';
import { Repository } from 'typeorm';
import { User } from './entities/user.entity';
import { CreateUserDto } from './dto/create-user.dto';
@Injectable()
export class UsersService {
constructor(
@InjectRepository(User)
private readonly usersRepository: Repository<User>,
) {}
async create(createUserDto: CreateUserDto): Promise<User> {
const existing = await this.usersRepository.findOneBy({ email: createUserDto.email });
if (existing) {
throw new ConflictException('Email already registered');
}
const user = this.usersRepository.create(createUserDto);
return this.usersRepository.save(user);
}
async findOne(id: number): Promise<User> {
const user = await this.usersRepository.findOneBy({ id });
if (!user) {
throw new NotFoundException(`User #${id} not found`);
}
return user;
}
}
// users.module.ts
import { Module } from '@nestjs/common';
import { TypeOrmModule } from '@nestjs/typeorm';
import { UsersController } from './users.controller';
import { UsersService } from './users.service';
import { User } from './entities/user.entity';
@Module({
imports: [TypeOrmModule.forFeature([User])],
controllers: [UsersController],
providers: [UsersService],
exports: [UsersService], // export only when other modules need this service
})
export class UsersModule {}
// users.service.spec.ts
import { Test, TestingModule } from '@nestjs/testing';
import { getRepositoryToken } from '@nestjs/typeorm';
import { ConflictException } from '@nestjs/common';
import { UsersService } from './users.service';
import { User } from './entities/user.entity';
const mockRepo = {
findOneBy: jest.fn(),
create: jest.fn()Make data-driven prioritization decisions faster
Draft PRDs, status updates, and stakeholder presentations
Example
Create executive summary of Q3 roadmap, monthly progress report, feature launch announcement
Save 3-5 hours/week on communication overhead
Prerequisites
Time Estimate
30-60 minutes to see productivity improvements
Steps
Common Pitfalls
✓ Do
✗ Don't
💡 Pro Tips
✓ Use when
Use for user story writing, competitive research, roadmap prioritization, stakeholder communication, and PRD drafting. Best for reducing repetitive documentation and research work.
✗ Avoid when
Avoid for strategic product vision (requires deep customer empathy), pricing decisions (needs market and financial expertise), or when face-to-face customer discovery is more valuable than speed.
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We added nestjs-expert from the explainx registry; install was straightforward and the SKILL.md answered most questions upfront.
nestjs-expert fits our agent workflows well — practical, well scoped, and easy to wire into existing repos.
nestjs-expert is among the better-maintained entries we tried; worth keeping pinned for repeat workflows.
Keeps context tight: nestjs-expert is the kind of skill you can hand to a new teammate without a long onboarding doc.
nestjs-expert is among the better-maintained entries we tried; worth keeping pinned for repeat workflows.
Keeps context tight: nestjs-expert is the kind of skill you can hand to a new teammate without a long onboarding doc.
We added nestjs-expert from the explainx registry; install was straightforward and the SKILL.md answered most questions upfront.
nestjs-expert reduced setup friction for our internal harness; good balance of opinion and flexibility.
Solid pick for teams standardizing on skills: nestjs-expert is focused, and the summary matches what you get after install.
Registry listing for nestjs-expert matched our evaluation — installs cleanly and behaves as described in the markdown.
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