Migrates ASP.NET Framework logging and diagnostics to ASP.NET Core built-in logging abstractions, error handling middleware, and health checks. Use when projects use System.Diagnostics.Trace, log4net, NLog, ELMAH, Serilog static loggers, customErrors in web.config, custom error pages, Application_Error, or need health check endpoints.
Install
npx skills add microsoft/upgrade-agent-plugins --skill migrating-mvc-loggingnpx skills add microsoft/upgrade-agent-plugins --skill migrating-mvc-logging -a claude-code -gnpx skills add microsoft/upgrade-agent-plugins --skill migrating-mvc-logging -a codex -ggemini skills install https://github.com/microsoft/upgrade-agent-plugins.git --path plugins/upgrade-agent/upgrade/dotnet/skills/lazy/web/mvc/migrating-mvc-logginggh skill install microsoft/upgrade-agent-plugins migrating-mvc-logginggit 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/web/mvc/migrating-mvc-logging ~/.claude/skills/migrating-mvc-logging # Claude Code
cp -R /tmp/microsoft__upgrade-agent-plugins/plugins/upgrade-agent/upgrade/dotnet/skills/lazy/web/mvc/migrating-mvc-logging ~/.agents/skills/migrating-mvc-logging # Codex, Cursor, Gemini CLI, Copilot, OpenCode