C# and .NET for Claude Code

Azure/azure-sdk-for-net

Skill Claude CodeCodex needs its repo ✓ vendor

Generate the code from typespec for C#. Parameter: C# SDK repository root location .

exceptionless/Exceptionless

Skill Claude CodeCodex

Runs .NET tests with dotnet test. Use when user says "run tests", "execute tests", "dotnet test", "test filter", "tests not running", or needs to detect the test platform (VSTest or Microsoft.Testing.Platform), identify the test framework, apply test filters, or troubleshoot test execution failures. Covers MSTest…

NuGet/Home

MCP server Claude CodeCodexCursor +2

MCP server "nuget" as configured in NuGet/Home. Launched with NuGet.Mcp.Server.

qq362946/Fantasy

Skill Claude CodeCodex

This guide applies to development and code review for Fantasy / Fantasy.Net / Fantasy.Unity written in C#. Use it when a task involves Fantasy server code or Unity client code using Fantasy, ECS entities/components/systems, scenes and subscenes, FTask, network handlers/messages/protocols, Address or Roaming routing…

Aaronontheweb/dotnet-skills

Plugin Claude Code

Bundles 36 skills, 6 agents · 1,926 tokens together

Comprehensive .NET development skills and agents for Claude Code - covering C#, F#, Akka.NET, Aspire, testing frameworks, and specialized tools.

dennisdoomen/CSharpGuidelines

Skill Claude Code

Apply the C# coding and design guidelines by Dennis Doomen when writing, reviewing, or refactoring C# code. Use this skill whenever you generate or evaluate C# to ensure it follows the established rules for class design, member design, maintainability, naming, performance, testability, and more.

codewithmukesh/dotnet-claude-kit

Plugin Claude Code

Bundles 46 skills, 10 agents, 2 hooks, 1 MCP server · 5,659 tokens together

The definitive Claude Code companion for .NET developers. 47 skills (including 16 slash-command workflows), 10 agents, 10 rules, 5 templates, 22 MCP tools, and automation hooks for modern .NET 10 / C# 14.

managedcode/dotnet-skills

Skill Claude CodeCodex

Use this skill before answering, planning, or editing any MSTest 3.x-to-4.x upgrade or post-upgrade failure. Triggers include "MSTest v4 breaking changes"; CS0507/CS0103/CS1061/CS1615; ExecuteAsync, CallerInfo, DisplayName, or custom TestMethodAttribute; ClassCleanupBehavior; ContainsKey; ThrowsExactly or…

xberg-io/tree-sitter-language-pack

Agent Claude Code

Tree-sitter grammar compilation and language pack management.

FritzAndFriends/BlazorWebFormsComponents

Skill Claude CodeCodex needs its repo

Migrate ASP.NET Web Forms applications to Blazor Server using the webforms-to-blazor CLI tool and BlazorWebFormsComponents (BWFC). Orchestrates L1 automated transforms via CLI, then guides L2 contextual transforms. WHEN: "migrate aspx", "convert web forms", "web forms to blazor", "run migration". INVOKES…

SSWConsulting/SSW.VerticalSliceArchitecture

Skill Claude Code

Scaffold a slice in this Vertical Slice Architecture template — one use case in its own folder, with its FastEndpoints endpoint, request, response, validator, and summary, plus the Feature and Group if they don't exist yet, plus tests. Use when the user says "add a slice", "add a use case", "add an endpoint", "add a…

davidfowl/dotnet-skillz

Plugin Claude Code

Bundles 1 skill · 50 tokens together

.NET CLI tools with SKILLS for coding agents. Includes tools for decompiling assemblies, and more.

Calabonga/Microservice-Template

Skill Claude Code needs its repo

A process for checking and updating NuGet packages, which are reusable .NET software libraries, in selected .NET 10 project templates. It checks stable versions and applies patch and minor updates while treating major updates separately.

fpindej/netrock

Skill Claude Code

Backend convention reference (.NET 10 / C# 13). Auto-injected into backend-aware agents - not user-invocable.

novotnyllc/dotnet-artisan

Plugin Claude Code

Bundles 9 skills, 14 agents, 2 MCP servers · 1,975 tokens together

Comprehensive .NET development skills for modern C#, ASP.NET, MAUI, Blazor, and cloud-native applications.

SebastienDegodez/copilot-instructions

Skill Claude CodeCodex

Use when domain logic leaks into API/Infrastructure, project references violate layer boundaries, or you need to decide between CQS (always), CQRS bus (complex domains), and DDD patterns (invariants and events).

mitchdenny/hex1b

Skill Claude CodeCodex

This skill provides guidance for AI agents working with the Hex1b TUI (Terminal User Interface) library and its MCP diagnostic tools.

xberg-io/crawlberg

Skill Claude CodeCodex needs its repo

Crawlberg iteration loops codified as Taskfile tasks — alef install/generate/format/bump, core and binding builds, e2e generate/build/test cycles, cleanup tiers, and the mock-server / stale-.so / precompiled-NIF / generated-e2e gotchas. Load when running or debugging crawlberg build, alef regeneration, or e2e…

richlander/dotnet-inspect

Plugin Claude Code

Bundles 17 skills · 608 tokens together

Inspect .NET assemblies and NuGet packages.

AgentEvalHQ/AgentEval

Skill Claude CodeCodex

Query .NET APIs across NuGet packages, platform libraries, and local files. Search for types, list API surfaces, compare and diff versions, find extension methods and implementors. Use whenever you need to answer questions about .NET library contents.

isuzu-shiranui/UnityMCP

Skill Claude CodeCodex

Control Unity Editor from the CLI with the isuzu-unity-cli command. Execute C# code, browse scene hierarchy, inspect/modify GameObjects, capture screenshots, read console logs, check compile status, control play mode, and execute menu items. Use when: user wants to interact with Unity Editor programmatically, run C#…

TimeWarpEngineering/timewarp-nuru

Skill Claude CodeCodex needs its repo

Build CLI applications with TimeWarp.Nuru - a .NET route-based CLI framework with web-style routing, source generators, and AOT support. Use when creating CLI tools, defining commands/queries, adding parameters or options, testing CLI output, or working with TimeWarp.Nuru.

ChrisRoyse/610ClaudeSubagents

Agent Claude Code

Ultra-specialized C# and .NET expert with deep knowledge of modern .NET 8+, ASP.NET Core, Entity Framework, and cloud-native development patterns.

moorestech/moorestech

Skill Claude Code

A checklist and workflow for reviewing agent skills. It checks the skill's metadata, instructions, folder structure, and supporting files against recommended standards.