.NET

A skill your agent uses when configuring Git hooks in .NET projects before team commits occur, to enforce commit message standards and code formatting automatically

SebastienDegodez/copilot-instructions

ALWAYS USE when asked to fix, rewrite, update, improve, modernize, show corrected code for, or explain existing MSTest tests or MSTest-specific configuration.

microsoft/testfx

Dev/test workflow for tracer engineers working on the Datadog .NET tracer — build a local Datadog.AzureFunctions NuGet package, deploy it to a test Azure Function App, trigger it, and analyze…

DataDog/dd-trace-dotnet

Provides malware analysis and network traffic techniques for CTF challenges.

ljagiello/ctf-skills

A skill your agent uses when the user is working with an Aspire distributed application and needs to operate the AppHost or its resources through the Aspire CLI: start, restart, stop, or wait on the…

SSWConsulting/SSW.VerticalSliceArchitecture

Author and extend the Roslyn tooling bundled in the Nice3point.Revit.Toolkit package: the incremental source generator that emits external-event boilerplate, the analyzers and code fixers that…

Nice3point/RevitToolkit

Fix broken dependency update PRs and aggregate the ones that work into one PR.

microsoft/vs-validation

Regenerates the HAL+JSON .NET release information graph from source data when new releases, CVE data or lifecycle dates change.

dotnet/core

On-Behalf-Of (OBO) Flow for web APIs to call downstream APIs while preserving user identity in MSAL.NET

AzureAD/microsoft-authentication-library-for-dotnet

Create C bindings for Apple frameworks in dotnet/macios. An agent skill from dotnet/macios.

dotnet/macios

A skill your agent uses when preparing a new release. An agent skill from Gremlinq/ExRam.Gremlinq.

Gremlinq/ExRam.Gremlinq

Set up NuGet trusted publishing (OIDC) on a GitHub Actions repo — replaces long-lived API keys with short-lived tokens.

dotnet/skills

Debug Okojo.Node large-app failures through sandbox/OkojoInkProbe and sandbox/OkojoNodeDebugSandbox.

akeit0/okojo

Create and maintain automated tests in Microsoft-native/.NET projects with a minimal stack — MSTest runner, System.Windows.Automation for Windows desktop, Playwright for real browser smoke.

JocysCom/FocusLogger

Diagnose and troubleshoot .NET MAUI Hot Reload issues (C Hot Reload, XAML Hot Reload, Blazor Hybrid).

davidortinau/maui-skills

Bootstrap reusable project governance for a new or existing repo.

MCSLTeam/MCServerLauncher-Future

How to correctly use the Slice type and its companions (SliceReader, SliceWriter, SliceOwner) for binary data in the FoundationDB .NET client / SnowBank.Core codebase.

SnowBankSDK/foundationdb-dotnet-client

Improve XML documentation in the Vonage .NET SDK. An agent skill from Vonage/vonage-dotnet-sdk.

Vonage/vonage-dotnet-sdk

Analyze MSBuild binary logs to diagnose build failures by replaying binlogs to searchable text logs.

runceel/ReactiveProperty

Automated, project-wide code coverage and CRAP (Change Risk Anti-Patterns) score analysis for .NET projects with existing unit tests.

runceel/ReactiveProperty

Guides changes to the DisCatSharp C# Discord library: tracing a payload field through parsing, serialization and caches, then validating across target frameworks.

Aiko-IT-Systems/DisCatSharp

.NET Aspire for cloud-native orchestration. An agent skill from codewithmukesh/dotnet-claude-kit.

codewithmukesh/dotnet-claude-kit

Reference for how MSBuildLocator loads MSBuild assemblies and finds the .NET SDK on .NET Core hosts, for anyone editing or debugging that loader code.

microsoft/MSBuildLocator

A skill your agent uses when creating, auditing, or updating project documentation.

TheAngryByrd/IcedTasks

Shows how to build entity actors with Akka.Hosting so the same code runs in local unit tests and in a sharded cluster in production.

Aaronontheweb/dotnet-skills

Manages .NET SDK installation (dotnet-install, workloads), project setup (.slnx, Directory.Build.props, CPM), MSBuild authoring, build optimization, performance (Span, ArrayPool, stackalloc)…

novotnyllc/dotnet-artisan

Write, fix, or review NeoServer unit tests using xUnit and FluentAssertions.

OpenCoreMMO/OpenCoreMMO

Deprecate or replace a public member of Nice3point.Revit.Extensions without breaking downstream consumers, using [Obsolete] with a JetBrains CodeTemplate auto-conversion pattern.

Nice3point/RevitExtensions

Qdrant provides client SDKs for various programming languages, allowing easy integration with Qdrant deployments.

qdrant/skills

ET Excel MCP workflow for reading, writing, styling, transforming, and inspecting xlsx data.

FlameskyDexive/Legends-Of-Heroes

A skill your agent uses when obsoleting or retiring RCS, RR, or RCF in roslynator, replacing an analyzer with another id, or when tempted to use IsObsolete on an Analyzer entry — analyzers use…

dotnet/roslynator

Disassemble and debug NES ROM files (.nes) produced by the dotnes transpiler.

jonathanpeppers/dotnes

A skill your agent uses when building .NET 10 or C 14 applications; when using minimal APIs, modular monolith patterns, or feature folders; when implementing HTTP resilience, Options pattern…

sketch7/FluentlyHttpClient

Evolve the public surface of Nice3point.Revit.Toolkit without breaking downstream consumers: deprecate a renamed or replaced member with [Obsolete] with a JetBrains [CodeTemplate] auto-conversion…

Nice3point/RevitToolkit

Merges the latest Library.Template into this repo (at position of HEAD) and resolves conflicts.

microsoft/vs-validation

Generates or updates a README.md for an Agent 365 sample agent.

microsoft/Agent365-Samples

Add new T-SQL features to ScriptDOM parser. An agent skill from microsoft/SqlScriptDOM.

microsoft/SqlScriptDOM

Write and review XML API documentation following .NET guidelines.

WildGums/Orc.LicenseManager

Post-mortem analysis of CI failures across recent PRs in dotnet/macios.

dotnet/macios

A skill your agent uses to write the release notes and the announcement texts for an upcoming release, from the pull requests merged since the previous tag.

Gremlinq/ExRam.Gremlinq

A skill your agent uses when working with the DecompilerServer MCP server to inspect, search, decompile, analyze, or compare .NET assemblies, especially foreign code such as Unity/RimWorld…

pardeike/DecompilerServer

Run and continue Okojo Test262 compliance work. An agent skill from akeit0/okojo.

akeit0/okojo

Deep code-only review of a pull request or candidate patch for correctness, safety and .NET MAUI conventions, judging the code before reading the PR description.

dotnet/efcore

A skill your agent uses 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…

SebastienDegodez/copilot-instructions

Build, run, and drive the HomeLabInfo backend to verify changes at its real surfaces (REST API, UDP DHCP listener, outgoing webhooks).

gregluffy/HomeLabInfo

Publish .NET services as container images with the built-in SDK tooling (dotnet publish /t:PublishContainer, Microsoft.NET.Build.Containers) - no Dockerfile required.

Aaronontheweb/dotnet-skills

Open an Angler PR that adds the latest .NET agent release to metricnames.txt.

newrelic/newrelic-dotnet-agent

Debug workflow for Raven compiler analysis and emission issues using rvn frontend tooling and the rvnc compiler driver.

marinasundstrom/raven