Development · .NET · For developers

Create or update the project constitution from interactive or provided principle inputs, ensuring all dependent templates stay in sync.

WeihanLi/WeihanLi.Common

Audits and updates os-packages.json files listing the Linux packages each .NET release needs per distro, then regenerates the Markdown from the JSON.

dotnet/core

Find working code samples, verify API signatures, and fix Microsoft SDK errors using official docs.

MicrosoftDocs/mcp

Resolves .NET runtime frames in Apple .ips crash logs to function names, source files and line numbers using dSYM symbols, atos and the Microsoft symbol server.

dotnet/skills

Scans C# and .NET code for about 50 performance anti-patterns and reports prioritized findings with concrete fixes, at a scan depth you choose.

dotnet/skills

Audits and updates the supported-os.json files for .NET releases, checking them against upstream lifecycle data and regenerating the markdown with the release-notes tool.

dotnet/core

Reviews the tests added in a pull request for fix coverage, quality, edge cases and test type, and recommends lighter test types where they would do.

dotnet/maui

Resolves native crash frames from .NET Android tombstones to function names, source files and line numbers using BuildIds, Microsoft's symbol server and llvm-symbolizer.

dotnet/skills

Validates .NET release data with the release-notes CLI: download URL liveness, SHA512 hashes, CDN latest.version files and aka.ms redirects.

dotnet/core

A skill your agent uses when adding a new RCS diagnostic in roslynator (RCS0 formatting, RCS1 general, RCS9 code-analysis), wiring roslynator EditorConfig options, or when docs say CHANGELOG.md…

dotnet/roslynator

Gives repository-specific .NET guidance for GitVersion: build and test commands, central package management, project layout and coding conventions.

GitTools/GitVersion

Review dotnet/macios PRs against established rules. An agent skill from dotnet/macios.

dotnet/macios

A skill your agent uses when adding a Roslynator code fix for C compiler error CS or RCF, editing Diagnostics.xml or CodeFixes.xml, or when compiler-diagnostic-fixes-testing.md shows…

dotnet/roslynator

Interprets pinned managed benchmark evidence for a dotnet/maui pull request and writes a narrative for the performance review workflow, without running or publishing anything.

dotnet/maui

Produces the changes.json manifest for a .NET preview, RC or GA milestone by choosing the right VMR base and head refs and running release-notes generate changes.

dotnet/core

Makes .NET projects compatible with Native AOT and trimming by resolving IL trim and AOT analyzer warnings through annotations rather than suppressions.

dotnet/skills

Orchestrates Aspire distributed applications using the Aspire CLI for running, debugging, and managing distributed apps.

microsoft/aspire.dev

Smart dependency management for any language. An agent skill from Asvarox/allkaraoke.

Asvarox/allkaraoke

A skill your agent uses when adding a new RR refactoring in roslynator, editing Refactorings.xml, registering in RefactoringContext, or when refactorings-testing.md shows XunitRefactoringVerifier —…

dotnet/roslynator

Activation requires either supplied .NET coverage reports/percentages/line, branch, or condition metrics, or an explicit request to collect .NET coverage for analysis.

microsoft/testfx

Ranks the changes in a release manifest and writes a scored features file that release notes, docs and blog posts can each cut at their own threshold.

dotnet/core

Review dotnes pull requests against established repository rules.

jonathanpeppers/dotnes

Configures automatic crash dumps or captures dumps from running processes for modern .NET apps on Linux, macOS and Windows, including Docker and Kubernetes.

dotnet/skills

A skill your agent uses when fixing a Roslynator analyzer false positive or false negative, RCS, RR, or CS/RCF regression, incorrect diagnostic reporting, or bug report citing a specific rule id —…

dotnet/roslynator

Safely refactors C/.NET code without changing behavior. An agent skill from microsoft/testfx.

microsoft/testfx

Audits a scored features.json file and its draft release notes against editorial examples to catch over-scored, under-scored, or missing entries.

dotnet/core

Write and review C/.NET code in Dynamo following Dynamo coding standards, modern C patterns, and repo conventions.

DynamoDS/Dynamo

Upgrade all or selected NuGet packages in net-daemon/netdaemon with dotnet-outdated, validate the full solution, and optionally publish a dependency-update PR with gh-axi.

net-daemon/netdaemon

Migrate a .NET 8 project to .NET 9 and resolve all breaking changes.

dotnet/skills

Scaffold a new domain entity or aggregate in this Vertical Slice Architecture template — the entity itself, its strongly typed ID, errors, specification, EF Core configuration, DbSet, the mandatory…

SSWConsulting/SSW.VerticalSliceArchitecture

Catalog of MSBuild anti-patterns with detection rules and fix recipes.

runceel/ReactiveProperty

A skill your agent uses when shipping a roslynator release, rolling CHANGELOG.md [Unreleased], updating the VS Code extension changelog, creating a GitHub v release, or optionally tagging cli-v.

dotnet/roslynator

Comprehensive C and .NET development skill for TSP projects.

querylenshq/ef-querylens

Guides making .NET libraries trimming-safe and Native-AOT compatible: the MSBuild properties, trimming attributes, warning codes and a playbook of safe patterns.

Aaronontheweb/dotnet-skills

Adds or extends a ScottPlot Cookbook recipe for a given plottable, in the right PlotTypes category and in the style of neighboring recipes.

ScottPlot/ScottPlot

Creates and maintains the per-distro JSON files that list the native packages .NET needs on each Linux distribution, scoped to one .NET version.

dotnet/core

Architecture-aware feature scaffolding for .NET 10 projects.

codewithmukesh/dotnet-claude-kit

Investigate and fix flaky/random CI test failures in dotnet/macios.

dotnet/macios

Manage stacked branches and pull requests with the gh-stack GitHub CLI extension.

dotnet/macios

A skill your agent uses when opening a pull request for the current branch, or when an existing pull request needs a better description - including when the check-description CI check has failed.

Gremlinq/ExRam.Gremlinq

C 12 / .NET 8 and PowerShell cmdlet design rules for this repository - naming, output and error channels, parameter validation, ShouldProcess, async, culture, cross-platform and ALC constraints.

pnp/powershell

Sokol.NET framework development — use for ANY work in this repo: creating or debugging examples, building/running for desktop/Android/iOS/Web, writing or compiling shaders, adding a new C/C++…

elix22/Sokol.NET

Parse and diagnose New Relic .NET agent logs (newrelicagent.log) and profiler logs (NewRelic.Profiler.<pid.log) from a support ticket.

newrelic/newrelic-dotnet-agent

Architecture selection advisor for .NET applications. An agent skill from codewithmukesh/dotnet-claude-kit.

codewithmukesh/dotnet-claude-kit

Debugs Windows and Linux/macOS applications (native, .NET/CLR, mixed-mode) with WinDbg MCP (crash dumps, !analyze, !syncblk, !dlk, !runaway, !dumpheap, !gcroot, BSOD), dotnet-dump, lldb with SOS…

novotnyllc/dotnet-artisan

Create a pull request for OpenCoreMMO following the project's PR template.

OpenCoreMMO/OpenCoreMMO

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

How to use the Roslynk MCP tools (mcproslynk) effectively for .NET work.

mrpmorris/Roslynk