1,209 mods tagged C# and .NET that install into Claude Code, measured the same four ways as everything else here: what each costs in tokens on every session, what a security scan found and why, whether it is the original, and what changed.
Atypical-Consulting/RoselineMCP
MCP server Claude CodeCodexCursor +2
MCP server "roseline-mcp" as configured in Atypical-Consulting/RoselineMCP. Launched with RoselineMCP.
Skill Claude CodeCodex
Best practices for building WPF desktop applications with C# and .NET. Use when working on WPF projects, .NET desktop apps, XAML UI, MVVM architecture, system tray apps, or any C# project using Windows Presentation Foundation.
MCP server Claude CodeCodexCursor +2
Generate a ServiceBricks C# .NET microservice as a ZIP file. Remote server at servicebricks.com.
syncfusion/wpf-ui-components-skills
Skill Claude CodeCodex
Implements Syncfusion WPF DataGrid (SfDataGrid) component for displaying and manipulating tabular data in Windows Presentation Foundation applications. Use this when working with data grids, table views, or data binding scenarios. Supports sorting, filtering, grouping, editing, Excel/PDF export, drag and drop…
Skill Claude CodeCodex
Use when asked about Clojure community events, meetups or conferences. How to fetch and report them.
aleksei-perchukov/coding-exercise-generator-ide-plugin
Plugin Claude Code
Bundles 1 skill, 6 commands · 108 tokens together
C# coach: exercise generator & checker with hints function (RU).
Command Claude Code
You are an experienced .NET software engineer conducting a thorough code review. Focus exclusively on the changes being introduced (the diff), not on pre-existing code unless it's directly affected by the changes.
JeongHeonK/c-sharp-custom-marketplace
Plugin Claude Code
Bundles 7 skills · 344 tokens together
A plugin for building C# and .NET applications, including WPF desktop interfaces, with modern language features and established design practices. WPF is a Microsoft framework for Windows desktop user interfaces.
iamBrzDev/enterprise-agent-skills
Skill Claude CodeCodex
Implements enterprise-grade testing strategies for .NET applications using xUnit, Moq, FluentAssertions, and WebApplicationFactory. Use when writing unit tests, integration tests, or API tests in .NET or C#, configuring test projects, deciding what to mock vs what to test with real dependencies, setting up shared test…
devbyray/github-copilot-starter
Skill Claude CodeCodex
.NET coding standards and conventions including project structure, dependency injection, and best practices. Use when working with .NET projects, ASP.NET Core, or when the user asks about .NET architecture, dependency injection, async patterns, or project organization.
Plugin Claude Code
Bundles 15 skills, 9 agents, 6 hooks, 1 MCP server · 819 tokens together
.NET development plugin for Claude Code — Roslyn semantic analysis, DI/architecture/EF Core guards, convention-aware scaffolding, TDD agents, security and performance review, and project lifecycle commands.
linux-ur/discord-net-components-v2
Skill Claude CodeCodex
Reference and implementation guide for building Discord bot UIs with Discord.Net's Message Components V2 system (ComponentBuilderV2) in C#. Covers every V2-only component (Container, Section, Text Display, Thumbnail, Media Gallery, File, Separator), the shared V1/V2 interactive components (Action Row, Button…
Plugin Claude Code
Bundles 1 skill · 228 tokens together
Teaches a coding agent the real s&box API from 17 source-verified reference files, so it stops writing Unity patterns into a Source 2 project. Verified against engine 26.08.05.
maxmash1/dotnet-react-starter-demo
Agent Claude Code
Scaffolds new .NET 8 API endpoints following organization standards — full vertical slice from DTO to Controller to Tests.
Skill Claude CodeCodex
.NET assembly decompiler CLI tool. Invoke when user needs to decompile DLL/EXE files, reverse engineer .NET assemblies, extract C# source code from compiled binaries, or analyze .NET metadata.
Plugin Claude Code
Bundles 3 skills, 1 hook, 1 MCP server · 248 tokens together
A queryable map of your .NET test-automation solution for Claude: find existing steps before writing new ones, trace the blast radius of a change, and keep the map fresh. Needs the .NET 8 SDK and two global tools (dotnet tool install --global TestAtlas.Cli / TestAtlas.Mcp); the plugin tells you when they are missing.
MCP server Claude CodeCodexCursor +2
MCP server "lsopenapi" as configured in redoxnet/mcp-lsopenapi. Launched with RedoxNet.Mcp.LsOpenApi. Needs 3 environment variables to run.
JeffPatterson-NCS/roslyn-rename
Command Claude Code
Perform a semantic C# symbol rename using Roslyn. Do NOT grep, text-search, or edit files manually — the roslyn-rename tool resolves all references via Roslyn's rename engine, identical to what VS or Rider would produce.
Plugin Claude Code
Bundles 3 skills · 234 tokens together
Unity / C# performance optimization and code standards skill library. Three skills: performance optimization, zero-GC engineering plans, and code standards & review.
Plugin Claude Code
Bundles 8 skills, 5 agents, 4 hooks · 2,344 tokens together
Compiler-aware C# navigation for .NET repos — Roslyn-backed symbol search, reference tracing, call and type hierarchies, and a solution-wide rename, with an index that follows every edit.
amusleh-spotware-com/terse-sharp
Skill Claude Code
Use when reading, searching, navigating, editing, refactoring, building or testing C#/.NET, XAML, .resx localization or Razor/Blazor in a solution served by the TerseSharp MCP server. Teaches which TerseSharp tool replaces which built-in, and how to drive all 86 of them, so a .cs file is never read whole, a symbol is…
Skill Claude CodeCodex
You have full control over Unity Editor via 24 MCP tools. This skill teaches you how to use them effectively.
Skill Claude CodeCodex
Architecture rules, naming conventions, and CQRS handler patterns for this .NET solution. Load this whenever generating, reviewing, or refactoring C# code in this repository so output matches the existing codebase instead of generic patterns.
cwoodruff/dotnet-claude-code-kit
Agent Claude Code
Read-only security audit of ASP.NET Core code. Use for security reviews, before releases, or when the user asks about vulnerabilities. Never modifies files.
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: