Migrates the deprecated RazorEngine to RazorLight for Razor template rendering outside of MVC. Use ONLY when RazorEngine has been flagged as deprecated or unmaintained and must be replaced — not for version-bump scenarios where RazorEngine is still supported.
Install
npx skills add microsoft/upgrade-agent-plugins --skill migrating-razorengine-to-razorlightnpx skills add microsoft/upgrade-agent-plugins --skill migrating-razorengine-to-razorlight -a claude-code -gnpx skills add microsoft/upgrade-agent-plugins --skill migrating-razorengine-to-razorlight -a codex -ggemini skills install https://github.com/microsoft/upgrade-agent-plugins.git --path plugins/upgrade-agent/upgrade/dotnet/skills/lazy/libraries/migrating-razorengine-to-razorlightgh skill install microsoft/upgrade-agent-plugins migrating-razorengine-to-razorlightgit 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/libraries/migrating-razorengine-to-razorlight ~/.claude/skills/migrating-razorengine-to-razorlight # Claude Code
cp -R /tmp/microsoft__upgrade-agent-plugins/plugins/upgrade-agent/upgrade/dotnet/skills/lazy/libraries/migrating-razorengine-to-razorlight ~/.agents/skills/migrating-razorengine-to-razorlight # Codex, Cursor, Gemini CLI, Copilot, OpenCode