1 rule for .NET / C# / Windows
Cline rules for .NET: Nullable Contracts, Async and Endpoints. Structure, data, errors, security, performance, and tests. .NET 10 LTS and .NET 11, Nov 2026.
# .NET Cline Rules: Nullable Contracts, Async and Endpoints
## Install
Install the native export at `.clinerules/dotnet-rules.md` (do not also copy it to `.cline/rules/`).
Copy that export, not this catalog file. Catalog fields such as `tools` and `author` are for presets.dev.
Install one skill file per name. Cursor, GitHub Copilot, Codex, Antigravity CLI, and Devin can all read `.agents/skills`, so a second copy with the same name collides.
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# .NET Cline Rules: Nullable Contracts, Async and Endpoints
Conditional Cline rule for .NET. Install it under `.clinerules/` only.
## Updated for .NET 10 LTS and .NET 11, Nov 2026
Do not upgrade dependencies or the framework version unless the task asks.
.NET 11 includes C# 15 unions and closed hierarchies. A project that s...