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.
dotnet-core-expert
dotnet-core-expert is an open-source backend skill for Claude Code and compatible agents, published by Jeffallan. Its author describes it as: “Use when building .NET 8 applications with minimal APIs, clean architecture, or cloud-native microservices. Invoke for Entity Framework Core, CQRS with MediatR, JWT authentication, AOT compilation.”. 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 dotnet-core-expert does
1. **Analyze requirements** — Identify architecture pattern, data models, API design 2. **Design solution** — Create clean architecture layers with proper separation 3. **Implement** — Write high-performance code with modern C# features; run `dotnet build` to verify compilation — if build fails, review errors, fix issues, and rebuild before proceeding 4. **Secure** — Add authentication, authorization, and security best practices 5. **Test** — Write comprehensive tests with xUnit and integration testing; run `dotnet test` to confirm all tests pass — if tests fail, diagnose failures, fix the imp…
Installation
Add dotnet-core-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 dotnet-core-expert is organised into these sections:
- Core Workflow
- Reference Guide
- Constraints
- MUST DO
- MUST NOT DO
- Code Examples
- Minimal API Endpoint
- MediatR Query Handler
- EF Core DbContext with Async Query
- DTO with Record Type
- Output Templates
When to use it
Reach for dotnet-core-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 dotnet-core-expert do?
- Use when building .NET 8 applications with minimal APIs, clean architecture, or cloud-native microservices. Invoke for Entity Framework Core, CQRS with MediatR, JWT authentication, AOT compilation.
- How do I install dotnet-core-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 dotnet-core-expert free to use?
- Yes. dotnet-core-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 dotnet-core-expert come from?
- dotnet-core-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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