Skill Claude CodeCodex
Allows reading the decompiled C# code of Space Engineers version 1.
not rated 10 12d ago A 19 tokens
original MIT
markout
98Skill Claude CodeCodex
Part of markout
Use when generating Markdown or other structured output (plain text, ANSI, pretty tables, TSV/JSONL) from C# objects, or when diagnosing Markout source-generator errors such as MARKOUT006. Markout replaces hand-built strings in CLIs, tools, reports, and agent output. It looks like System.Text.Json source-gen but the…
not rated 10 yesterday A 205 tokens
Skill Claude CodeCodex
Make .NET projects compatible with Native AOT and trimming by systematically resolving IL trim/AOT analyzer warnings. USE FOR: making projects AOT-compatible, fixing trimming warnings, resolving IL warnings (IL2026, IL2070, IL2067, IL2072, IL3050), adding DynamicallyAccessedMembers annotations, enabling…
not rated 7 4mo ago A 112 tokens
original MIT
unity-coder
100DmitriyYukhanov/claude-plugins
Skill Claude CodeCodex
Part of unity-dev
Use when implementing Unity C# code to follow proper coding guidelines, naming conventions, member ordering, and Unity-specific patterns.
not rated 7 3d ago A 27 tokens
original MIT
autocad-dotnet
101joseguiaCES/autocad-dotnet-claude-skill
Skill Claude CodeCodex
Part of autocad-dotnet
Comprehensive AutoCAD .NET API reference for plugin development. Use when writing AutoCAD .NET plugins, working with ObjectARX managed wrappers, creating commands, manipulating entities, or needing exact API signatures. Covers AutoCAD 2025 and 2026 (both net8.0) with patterns, gotchas, and full API index. TRIGGER…
not rated 7 5mo ago A 115 tokens
original MIT
peterblazejewicz/claude-plugins
Skill Claude CodeCodex
Part of dotnet-skills
Guides stable API and interface design for .NET/C# — HTTP endpoints (Minimal APIs or controllers), library surface area, public records/interfaces, EF Core-backed contracts. Use when designing APIs, module boundaries, MyApp.Contracts DTOs, or any public interface where backward compatibility matters.
not rated 7 2mo ago A 64 tokens
original MIT
peterblazejewicz/claude-plugins
Skill Claude CodeCodex
Part of dotnet-skills
Optimizes .NET/C# application performance — measure first with BenchmarkDotNet / dotnet-counters / dotnet-trace / PerfView, then fix the specific bottleneck (EF Core N+1, sync-over-async, Gen2 GC pressure, thread-pool starvation, allocation hotspots, unbounded queries, missing pagination, Kestrel misconfiguration).…
not rated 7 2mo ago A 105 tokens
original MIT
peterblazejewicz/claude-plugins
Skill Claude CodeCodex
Part of dotnet-skills
Drives .NET/C# development with tests — RED/GREEN/REFACTOR with xUnit (v2 or v3) or MSTest, the Prove-It Pattern for bug fixes, the test pyramid with WebApplicationFactory for integration and Playwright/Avalonia.Headless for E2E. Supports both VSTest and Microsoft.Testing.Platform (MTP) runners. Use when implementing…
not rated 7 2mo ago A 103 tokens
original MIT
vela
105Skill Claude CodeCodex
Part of vela
Compiler-exact code search for .NET solutions - find where a symbol is defined, every reference to it, who calls it, and what a change would break. Covers C#, VB, Razor Pages, MVC views and Blazor components, which grep and every other code-intelligence tool miss. Deterministic, built on Roslyn, never modifies the…
not rated 6 16d ago A 164 tokens
original MIT
Skill Claude CodeCodex
Defines the coding standards, patterns, and conventions for ASP.NET Core REST API controllers. Rules cover routing, HTTP verbs, response types, XML documentation, dependency injection, and asynchronous execution. Apply these rules uniformly to ensure a consistent, predictable, and well-documented API surface.
not rated 6 3mo ago A 63 tokens
original MIT
Skill Claude CodeCodex
Defines the C# coding standards, patterns, and conventions to be applied consistently across all C# projects. Rules cover naming, structure, async patterns, null handling, dependency injection, logging, result patterns, and formatting. Apply these rules uniformly in all production code.
not rated 6 3mo ago A 61 tokens
original MIT
Skill Claude CodeCodex
Defines the testing standards, patterns, and conventions for all C# unit and integration test projects. Rules cover test framework usage, naming, structure, mocking, assertions, and parameterization. Apply these rules uniformly across all test projects.
not rated 6 3mo ago A 53 tokens
original MIT
abp-dev
109Skill Claude CodeCodex
Expert guide for developing applications with the ABP Framework (abp.io) using ASP.NET Core, DDD patterns, and Razor Pages / MVC UI. Use this skill whenever the user mentions ABP, abp.io, Volo.Abp, AbpModule, application services, aggregate roots, domain services, ABP CLI, IRepository, PermissionDefinitionProvider…
not rated 5 2mo ago A 171 tokens
GPL-3.0
Skill Claude CodeCodex
Write, run, or repair .NET tests that use MSTest. Use when a repo uses MSTest.Sdk, MSTest, [TestClass], [TestMethod], DataRow, or Microsoft.Testing.Platform-based MSTest execution.
not rated 5 3d ago A 62 tokens
original MIT
Skill Claude CodeCodex
Write, run, or repair .NET tests that use xUnit. Use when a repo uses xunit, xunit.v3, [Fact], [Theory], or xunit.runner.visualstudio, and you need the right CLI, package, and runner guidance for xUnit on VSTest or Microsoft.Testing.Platform.
not rated 5 3d ago A 77 tokens
original MIT
leestott/generative-ui-foundry-hosted-agents
Skill Claude CodeCodex
Author a Microsoft Agent Framework (.NET) agent that is hosted as a Foundry Hosted Agent and speaks AG-UI over the invocations protocol. Use when building, refactoring, or reviewing a .NET agent that must run as a Foundry Hosted Agent and drive a CopilotKit / AG-UI frontend. WHEN: "build a Foundry hosted agent"…
not rated 5 1mo ago A 126 tokens
original MIT
NicoGenti/opencode-orchestrator-kit
Skill Claude CodeCodex
C#/.NET naming, structure, and style conventions to apply when writing or reviewing C# code. Load before implementing or reviewing any .csproj-based feature.
not rated 5 3d ago A 38 tokens
original MIT
jernejk/agenteval-agentcamp-bne-2026
Skill Claude CodeCodex
Add a new menu option to either the demo console (AgentEval/samples/ECS2026MAF/Program.cs) or the eval console (AgentEval/samples/ECS2026MAF.Eval/Program.cs). Covers menu pattern, file placement, and how the Bonus submenu fits in.
not rated 5 3mo ago A 66 tokens
Skill Claude CodeCodex
A workflow for moving numerical algorithms from MATLAB, a technical computing environment, into a C or C++ DLL that C# programs can call on Windows. It also checks that the converted results match MATLAB’s results.
not rated 5 2mo ago A 72 tokens
original MIT
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…
not rated 5 2mo ago A 222 tokens
original MIT
dotnet-testing
117iamBrzDev/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…
not rated 5 5mo ago A 127 tokens
original MIT
csharp-standards
118devbyray/github-copilot-starter
Skill Claude CodeCodex
C# coding standards and conventions including naming, formatting, and best practices. Use when working with .cs files, writing C# code, or when the user asks about C# naming conventions, code structure, XML documentation, or .NET development patterns.
not rated 5 7mo ago A 57 tokens
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.
not rated 5 7mo ago A 52 tokens
csharp-testing
120Skill Claude CodeCodex
C# and .NET testing patterns with xUnit, FluentAssertions, mocking, integration tests, and test organization best practices.
not rated 5 4mo ago A 29 tokens
original MIT
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: