Development · .NET · By dotnet

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

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

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

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

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

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

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

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

dotnet/skills

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

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

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

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

dotnet/core

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

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

Triage a dotnet/source-build GitHub issue. An agent skill from dotnet/source-build.

dotnet/source-build

Lists open pull requests in dotnet/maui and dotnet/docs-maui that are worth reviewing next, ranked by priority labels, milestone and partner or community origin.

dotnet/maui

Generates before and after .NET public API diff reports for a release milestone by running RunApiDiff.ps1, including a table mapping plain-language requests to its parameters.

dotnet/core

Runs an interactive triage session over open dotnet/maui GitHub issues, presenting them one at a time and suggesting milestones through bundled PowerShell scripts.

dotnet/maui

Writes and reviews Blazor .razor components with correct parameters, EventCallback, lifecycle, async and disposal patterns, for components that need no JavaScript interop.

dotnet/skills

Verifies that APIs listed in a generated .NET API diff exist in the shipped build and trace to real pull requests, before release notes are written.

dotnet/core

Applies the full manual-label policy of the dotnet/maui issue triage command, judging type, area, platform, status, regression and priority against the evidence in each issue.

dotnet/maui

Reviews C changes in the ImageBuilder codebase against the repo's modern C conventions and invariants.

dotnet/docker-tools

Scores candidate features by how much a developer upgrading would care, giving a shared rubric and cut guidance for release notes, blog posts and docs.

dotnet/core

Runs a three-phase review of a dotnet/maui pull request (pre-flight, try-fix, report), writing results to local files and never posting comments to the PR.

dotnet/maui

Helps write, review and debug .NET declarations that call native C and C++ libraries, covering signatures, string marshalling, memory lifetime and SafeHandle.

dotnet/skills

Creates the GitHub release discussion in dotnet/core and the locked mirror issue in dotnet/announcements for a .NET release, safely re-runnable after interruptions.

dotnet/core

Traces a reported dotnet/maui issue back to the commit or pull request that introduced it, separating confirmed causes from likely candidates.

dotnet/maui

Attempts one alternative fix for a bug, runs the given test command against it and reports what happened, always differing from existing PR fixes.

dotnet/maui

Diagnoses and fixes skills in the dotnet/skills repository that lose to their own baseline, fail to activate, time out, or return "no credible improvement".

dotnet/skills

Guidance for configuring dependency injection in .NET MAUI apps — service registration in MauiProgram.cs, lifetime selection (Singleton / Transient / Scoped), constructor injection, Shell navigation…

dotnet/skills

Convert .NET tests from NUnit 3/4 to MSTest v4 while preserving VSTest or MTP.

dotnet/skills

Create a new ASP.NET Core web application or web site using Blazor.

dotnet/skills

Refreshes an existing .NET release-notes milestone branch set incrementally, regenerating data only when the preview moved and keeping human edits and review replies.

dotnet/core

Builds and runs the code snippets behind .NET release-note features against the exact milestone SDK, and records what must change to move maintained samples to a new preview.

dotnet/core

Diagnoses .NET Framework CLR activation issues using CLR activation logs (CLRLoad logs) produced by mscoree.dll.

dotnet/skills

Generate or scaffold ASP.NET Core code — Razor Pages, Blazor components, MVC controllers, views, and Minimal API endpoints — without using ASP.NET Core CLI scaffolding/code-generation tools.

dotnet/skills