# csharp-developer

> Claude/Codex skill by [@jeffallan](https://omgskills.com/library/jeffallan/index.md) · 8.8k stars · Updated 2026-05-01

Use when building C\# applications with .NET 8+, ASP.NET Core APIs, or Blazor web apps. Builds REST APIs using minimal or controller-based routing, configures database access with Entity Framework Core, implements async patterns and cancellation, structures applications with CQRS via MediatR, and scaffolds Blazor components with state management. Invoke for C\#, .NET, ASP.NET Core, Blazor, Entity Framework, EF Core, Minimal API, MAUI, SignalR.

Tags: ai-agents, claude, claude-code, claude-marketplace, claude-skills

## Install

```sh
git clone https://github.com/Jeffallan/claude-skills /tmp/claude-skills && ln -s /tmp/claude-skills/skills/csharp-developer ~/.claude/skills/csharp-developer
```

## Links

- HTML page: https://omgskills.com/skills/jeffallan/claude-skills/csharp-developer/
- GitHub: https://github.com/Jeffallan/claude-skills
- Author: [@jeffallan](https://omgskills.com/library/jeffallan/index.md)

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