Use when designing REST or GraphQL APIs, creating OpenAPI specifications, or planning API architecture. Invoke for resource modeling, versioning strategies, pagination patterns, error handling standards.
nestjs-expert
nestjs-expert is an open-source backend skill for Claude Code and compatible agents, published by Jeffallan. Its author describes it as: “Creates and configures NestJS modules, controllers, services, DTOs, guards, and interceptors for enterprise-grade TypeScript backend applications. Use when building NestJS REST APIs or GraphQL services, implementing d…”. The project has 11k stars on GitHub and is available under the MIT license. Add it to your setup with `/plugin marketplace add Jeffallan/claude-skills`.
What nestjs-expert does
Senior NestJS specialist with deep expertise in enterprise-grade, scalable TypeScript backend applications.
Installation
Add nestjs-expert to your agent with:
/plugin marketplace add Jeffallan/claude-skillsAlways review a skill's source before installing it. This command comes from the skill's public repository; the linked repo is the source of truth for exact setup steps.
What's inside
The SKILL.md for nestjs-expert is organised into these sections:
- Core Workflow
- Reference Guide
- Code Examples
- Controller with DTO Validation and Swagger
- Service with Dependency Injection and Error Handling
- Module Definition
- Unit Test for Service
- Constraints
- MUST DO
- MUST NOT DO
- Output Templates
- Knowledge Reference
When to use it
Reach for nestjs-expert when you want backend help from your agent without writing the same instructions every session. Load the skill and the agent picks it up automatically for relevant tasks.
Strengths
- Clear MIT license — safe to read and adapt
- Ships in Jeffallan/claude-skills, an established project with 11,060 GitHub stars
- Actively maintained (recent commits)
Topics
Frequently asked questions
- What does nestjs-expert do?
- Creates and configures NestJS modules, controllers, services, DTOs, guards, and interceptors for enterprise-grade TypeScript backend applications. Use when building NestJS REST APIs or GraphQL services, implementing dependency injection, scaffolding modular architecture, adding JWT/Passport authentication, integrating TypeORM or Prisma, or working with .module.ts, .controller.ts, and .service.ts files. Invoke for guards, interceptors, pipes, validation, Swagger documentation, and unit/E2E testing in NestJS projects.
- How do I install nestjs-expert?
- Run /plugin marketplace add Jeffallan/claude-skills in your agent, then reload your skills. Review the source at https://github.com/Jeffallan/claude-skills before installing.
- Is nestjs-expert free to use?
- Yes. nestjs-expert is free and open source under the MIT license, so you can read, run, and adapt it within that license's terms.
- Where does nestjs-expert come from?
- nestjs-expert ships inside Jeffallan/claude-skills, a repository that contains 41 catalogued skills in total. The repository's 11,060 GitHub stars apply to that whole collection, not to this skill on its own.
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