reactor-build-and-check Skill
Building Reactor apps and reading diagnostics — mur check <path is the build (same exit code as dotnet build, never re-run to confirm) with one-line diagnostics, skill pointers, and → try: did-you-mean suggestions to use verbatim. Covers iteration vs --final workflow, the common-build-errors cheat table mapping REACTOR Published by microsoft in microsoft-ui-reactor.
What is reactor-build-and-check Skill?
Building Reactor apps and reading diagnostics — mur check <path is the build (same exit code as dotnet build, never re-run to confirm) with one-line diagnostics, skill pointers, and → try: did-you-mean suggestions to use verbatim. Covers iteration vs --final workflow, the common-build-errors cheat table mapping REACTOR Published by microsoft in microsoft-ui-reactor. This profile combines repository metadata with install, compatibility, and usage signals so developers can quickly decide whether it fits their agent workflow before opening the source repository.
Automated repository signals based on public metadata such as recency, license, installation evidence, and adoption. These are not a security audit or endorsement.
Key capabilities
- Includes SKILL.md support
- Reusable instructions support
- Design and media
- Design and media use cases
Technical details
- Install or run with Copy skill directory
When to use reactor-build-and-check Skill
- Use it for design and media.
Built with
Editorial notes
Source
- Creator: microsoft
- Repository: microsoft/microsoft-ui-reactor
- Skill file: plugins/reactor/skills/reactor-build-and-check/SKILL.md
What it does
Building Reactor apps and reading diagnostics — mur check <path is the build (same exit code as dotnet build, never re-run to confirm) with one-line diagnostics, skill pointers, and → try: did-you-mean suggestions to use verbatim. Covers iteration vs --final workflow, the common-build-errors cheat table mapping REACTOR
Skill instructions
Build & verify Run after every non-trivial edit. Read the output — dotnet run exits with code 1 on build failure; silent ≠ success. Single-file .cs (default for new apps) powershell dotnet run App.cs -p:Platform=ARM64 or -p:Platform=x64 Single-file builds do not load analyzers. You'll catch CS errors but not the Reactor-specific REACTOR warnings. .csproj (multi-file, analyzer coverage) powershell dotnet build MyApp.csproj -p:Platform=ARM64 Analyzers are bundled in the Microsoft.UI.Reactor package and load automatically. mur check — structured output with skill pointers powershell mur check MyApp.csproj iteration mode (default) mur check --final MyApp.csproj once iteration is clean — pre-merge sweep mur check is the build, not a separate check step. It runs dotnet build under the hood and returns the same exit code. When mur check exits 0, the build is green — do not re-run dotnet build to confirm. They're the same compilation; a redundant dotnet build after a green mur check is wasted
Explore related resources
Frequently asked questions
What is reactor-build-and-check?
reactor-build-and-check is a open-source AI agent skill with Copy skill directory. Building Reactor apps and reading diagnostics — mur check <path is the build (same exit code as dotnet build, never re-run to confirm) with one-line diagnostics, skill pointers, and → try.
Who is reactor-build-and-check best for?
reactor-build-and-check is best for reusing agent instructions, scripts, and references, design and media workflows.
How do I install reactor-build-and-check?
Install or run reactor-build-and-check using Copy skill directory. Check reactor-build-and-check for the latest setup command.
Is reactor-build-and-check actively maintained?
reactor-build-and-check may need a closer maintenance check before production use.
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