Agent skills by dotnet

Route gh-aw workflow design/create/debug/upgrade requests to the right prompts.

dotnet/Open-XML-SDK

Interviews you one question at a time about goal, trigger, permissions and data needs, then drafts a single agentic workflow markdown file.

dotnet/Open-XML-SDK

Mines local Copilot CLI session logs for dotnet/maui to rank costly or failing runs, tag recurring failure modes, propose repo edits and emit guard evals.

dotnet/maui

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

Create and evaluate new Agent Skills for GitHub Copilot. An agent skill from dotnet/efcore.

dotnet/efcore

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

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

dotnet/core

Produces evidence-backed ship-readiness verdicts for .NET MAUI Servicing Releases and Previews, and drafts public-safe release handoff pages from the result.

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

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

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

Create custom GitHub Copilot agents. An agent skill from dotnet/efcore.

dotnet/efcore

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

dotnet/macios

Statically pairs source files with test files to list code that no test references, using Roslyn for C# or tree-sitter for many languages, with no build.

dotnet/skills

Activate this skill when BenchmarkDotNet (BDN) is involved in the task — creating, running, configuring, or reviewing BDN benchmarks.

dotnet/skills

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

Create GitHub Actions workflows for CI, automation, or PR management.

dotnet/efcore

Modify Cottle templates that generate Dockerfiles and READMEs in dotnet/dotnet-docker.

dotnet/dotnet-docker

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

Investigate and triage CI failures for dotnet/macios from Azure DevOps build URLs.

dotnet/macios

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

Checks that a pull request's title and description match its implementation and reviews the code for best practices before merge, without posting anything.

dotnet/maui

Create and evaluate VS Code file-based instructions (.instructions.md files).

dotnet/efcore

Plan and move changes between branches in dotnet/dotnet-docker.

dotnet/dotnet-docker

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

Update dotnet/macios to a new Xcode beta and validate it end-to-end.

dotnet/macios

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 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

Implementation details for EF Core model building. An agent skill from dotnet/efcore.

dotnet/efcore

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

Adds MAUI-specific guardrails on top of the maestro-cli skill and Maestro MCP tools for darc, BAR, and channel or feed lookups in dotnet/maui.

dotnet/maui

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 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

Run ApiChief in the EF Core repo to emit baselines, summaries, deltas, review files, or breaking-change checks.

dotnet/efcore

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

Manages .NET Docker images including adding images for new .NET versions, new Linux distros (Alpine, Ubuntu, Azure Linux), and new Windows versions.

dotnet/dotnet-docker

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

dotnet/macios

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

dotnet/skills

Adds dotnet/maui-specific context for investigating failing PR checks and broken nightly builds: pipelines, Helix logs, binlogs and merge-readiness verdicts.

dotnet/maui

Create EF Core PRs targeting servicing release branches (release/).

dotnet/efcore

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

dotnet/core

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

dotnet/macios

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

dotnet/macios

Migrate a .NET 9 project or solution to .NET 10 and resolve all breaking changes.

dotnet/skills

Checks a pull request for lines that undo a recent bug fix by comparing what the PR removes with what labeled bug-fix PRs added to the same files.

dotnet/maui