C# Developer skill: what it does and how to install it
Builds C# applications with .NET 8+, including ASP.NET Core APIs, Blazor apps and Entity Framework Core data access.
Summary generated from the skill's documentation.
Warning. A security audit flagged this skill with a critical risk warning. Read its SKILL.md and scripts before you install it.
Install
$ npx skills add Jeffallan/claude-skills --skill csharp-developerRun it in a terminal. If your agent is already running, start a new session so it picks the skill up.
About this skill
What it does. Reviews a .NET solution, designs models and DTOs, implements dependency-injected APIs or Blazor components, and adds async data access, validation, configuration and error handling. It guides EF Core migration review, performance tuning and xUnit testing.
When to use it. For C#, .NET 8+, ASP.NET Core, Blazor, Entity Framework Core, CQRS, authentication, SignalR or related Microsoft-stack implementation work.
History
Repo stars
12.1k+332 since 5 Oct 2026
Stars are counted for the whole repository, which holds 51 skills.
Show as a table
| Date | Repo stars |
|---|---|
| 26 Oct 2026 | 12,068 |
| 25 Oct 2026 | 12,050 |
| 24 Oct 2026 | 12,032 |
| 23 Oct 2026 | 12,017 |
| 22 Oct 2026 | 11,999 |
| 21 Oct 2026 | 11,974 |
| 20 Oct 2026 | 11,948 |
| 19 Oct 2026 | 11,940 |
| 18 Oct 2026 | 11,921 |
| 17 Oct 2026 | 11,909 |
| 16 Oct 2026 | 11,895 |
| 15 Oct 2026 | 11,881 |
| 14 Oct 2026 | 11,865 |
| 13 Oct 2026 | 11,850 |
| 12 Oct 2026 | 11,838 |
| 11 Oct 2026 | 11,819 |
| 10 Oct 2026 | 11,806 |
| 9 Oct 2026 | 11,791 |
| 8 Oct 2026 | 11,776 |
| 7 Oct 2026 | 11,756 |
| 6 Oct 2026 | 11,746 |
| 5 Oct 2026 | 11,736 |
Installs
4.8k
Tracking since . A chart appears once there are 7 days of data.
Installs via skills.sh
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