Diagnoses and fixes .NET MAUI development environment issues. Validates .NET SDK, workloads, Java JDK, Android SDK, Xcode, and Windows SDK. All version requirements discovered dynamically from NuGet WorkloadDependencies.json — never hardcoded.
Install
npx skills add dotnet/skills --skill dotnet-maui-doctornpx skills add dotnet/skills --skill dotnet-maui-doctor -a claude-code -gnpx skills add dotnet/skills --skill dotnet-maui-doctor -a codex -ggemini skills install https://github.com/dotnet/skills.git --path plugins/dotnet-maui/skills/dotnet-maui-doctorgh skill install dotnet/skills dotnet-maui-doctorgit clone --depth 1 https://github.com/dotnet/skills /tmp/dotnet__skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/dotnet__skills/plugins/dotnet-maui/skills/dotnet-maui-doctor ~/.claude/skills/dotnet-maui-doctor # Claude Code
cp -R /tmp/dotnet__skills/plugins/dotnet-maui/skills/dotnet-maui-doctor ~/.agents/skills/dotnet-maui-doctor # Codex, Cursor, Gemini CLI, Copilot, OpenCode