Converts legacy non-SDK-style .NET project files (.csproj, .vbproj, .fsproj) to modern SDK-style format while preserving target frameworks, dependencies, and build behavior. Use when converting old-format .NET projects, migrating from packages.config to PackageReference, or modernizing project files.
Install
npx skills add microsoft/upgrade-agent-plugins --skill converting-to-sdk-stylenpx skills add microsoft/upgrade-agent-plugins --skill converting-to-sdk-style -a claude-code -gnpx skills add microsoft/upgrade-agent-plugins --skill converting-to-sdk-style -a codex -ggemini skills install https://github.com/microsoft/upgrade-agent-plugins.git --path plugins/upgrade-agent/upgrade/dotnet/skills/lazy/common/converting-to-sdk-stylegh skill install microsoft/upgrade-agent-plugins converting-to-sdk-stylegit clone --depth 1 https://github.com/microsoft/upgrade-agent-plugins /tmp/microsoft__upgrade-agent-plugins
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/microsoft__upgrade-agent-plugins/plugins/upgrade-agent/upgrade/dotnet/skills/lazy/common/converting-to-sdk-style ~/.claude/skills/converting-to-sdk-style # Claude Code
cp -R /tmp/microsoft__upgrade-agent-plugins/plugins/upgrade-agent/upgrade/dotnet/skills/lazy/common/converting-to-sdk-style ~/.agents/skills/converting-to-sdk-style # Codex, Cursor, Gemini CLI, Copilot, OpenCode