skills
Gives coding agents ready-made help for everyday C# work, such as running one-file C# apps, calling native libraries from .NET, setting up keyless NuGet publishing, and writing fast SIMD code.

Gives coding agents ready-made help for everyday C# work, such as running one-file C# apps, calling native libraries from .NET, setting up keyless NuGet publishing, and writing fast SIMD code.
This repository is a Virtual Monolithic Repository (VMR) which includes all the source code and infrastructure needed to build the .NET SDK.
Scans .NET code for ~50 performance anti-patterns across async, memory, strings, collections, LINQ, regex, serialization, and I/O…
Symbolicate the .NET runtime frames in an Android tombstone file. Extracts BuildIds and PC offsets from the native backtrace,…
Symbolicate .NET runtime frames in Apple platform .ips crash logs (iOS, tvOS, Mac Catalyst, macOS). Extracts UUIDs and addresses…
Analyze assertion quality, depth, variety, and false confidence in existing tests. ALWAYS USE when asked about weak, shallow,…
Create or review Blazor components (.razor files) with correct architecture. USE FOR: writing new Blazor components that do NOT…
Analyze MSBuild binary logs to diagnose build failures. USE FOR: build errors that are unclear from console output, diagnosing…
Generate MSBuild binary logs (binlogs) for build diagnostics and analysis. USE FOR: adding /bl:{} to any dotnet build, test,…
Analyze an MSBuild solution, solution filter, or Build.proj that schedules multiple project files. USE FOR: measured idle worker…
Establish MSBuild/.NET build performance baselines before optimizing. USE FOR: unranked slow builds; cold, warm, incremental or…
Diagnose MSBuild bottlenecks from binlog timelines and Target/Task Performance Summaries after build-perf-baseline establishes…
Detects MSBuild projects with conflicting OutputPath or IntermediateOutputPath. USE FOR: builds failing with 'Cannot create a…
Diagnoses .NET Framework CLR activation issues using CLR activation logs (CLRLoad logs) produced by mscoree.dll. Use when: the…
Expert build-failure analyst for .NET / MSBuild repositories. Invoke when a build produced a binary log (`*.binlog`) and you need…
Agent for diagnosing and optimizing MSBuild build performance. Runs multi-step analysis: generates binlogs, analyzes timeline and…
Runs build/compile commands for any language and reports results. Use when: compiling code, running dotnet build, checking for…
Fixes compilation errors in source or test files. Use when: resolving build errors, fixing CS/TS error codes, adding missing…
Implements a single phase from the test plan. Writes test files and verifies they compile and pass. Use when: executing a plan…
Runs code formatting and linting for any language. Use when: formatting code, running dotnet format, fixing style issues,…
Creates structured test implementation plans from research findings. Use when: organizing tests into phases, prioritizing test…
Analyzes codebases to understand structure, testing patterns, and testability. Use when: researching project structure,…
Runs test commands for any language and reports pass/fail results. Use when: running dotnet test, executing tests, verifying…
Agent that reviews MSBuild project files for anti-patterns, modernization opportunities, and best practices violations. Scans…
Read-only reviewer for changed MSBuild project and infrastructure files. Finds evidence-backed correctness, incremental-build,…
Expert agent for MSBuild and .NET build troubleshooting, optimization, and project file quality. Routes to specialized agents for…
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