Manages data access and state in Blazor Server applications. Solves critical Blazor Server issues: Session NULL in WebSocket circuits, DbContext threading/concurrent operation errors, cart/wizard state loss, scoped lifetime issues, Session NullReferenceException.
Install
npx skills add microsoft/upgrade-agent-plugins --skill managing-blazor-server-data-accessnpx skills add microsoft/upgrade-agent-plugins --skill managing-blazor-server-data-access -a claude-code -gnpx skills add microsoft/upgrade-agent-plugins --skill managing-blazor-server-data-access -a codex -ggemini skills install https://github.com/microsoft/upgrade-agent-plugins.git --path plugins/upgrade-agent/upgrade/dotnet/skills/lazy/web/webforms/managing-blazor-server-data-accessgh skill install microsoft/upgrade-agent-plugins managing-blazor-server-data-accessgit 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/webforms/managing-blazor-server-data-access ~/.claude/skills/managing-blazor-server-data-access # Claude Code
cp -R /tmp/microsoft__upgrade-agent-plugins/plugins/upgrade-agent/upgrade/dotnet/skills/lazy/web/webforms/managing-blazor-server-data-access ~/.agents/skills/managing-blazor-server-data-access # Codex, Cursor, Gemini CLI, Copilot, OpenCode