Migrates ASP.NET Framework HttpModules, HttpHandlers, and Global.asax events to ASP.NET Core middleware and endpoints. Use when projects contain IHttpModule, IHttpHandler, IHttpAsyncHandler, .ashx generic handlers, Global.asax Application_Start/Application_Error/Application_BeginRequest, or web.config httpModules/httpHandlers sections.
Install
npx skills add microsoft/upgrade-agent-plugins --skill migrating-mvc-http-pipelinenpx skills add microsoft/upgrade-agent-plugins --skill migrating-mvc-http-pipeline -a claude-code -gnpx skills add microsoft/upgrade-agent-plugins --skill migrating-mvc-http-pipeline -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-http-pipelinegh skill install microsoft/upgrade-agent-plugins migrating-mvc-http-pipelinegit 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-http-pipeline ~/.claude/skills/migrating-mvc-http-pipeline # Claude Code
cp -R /tmp/microsoft__upgrade-agent-plugins/plugins/upgrade-agent/upgrade/dotnet/skills/lazy/web/mvc/migrating-mvc-http-pipeline ~/.agents/skills/migrating-mvc-http-pipeline # Codex, Cursor, Gemini CLI, Copilot, OpenCode