Upgrade .NET projects to newer .NET versions, including guidance on current release status, support lifecycle (LTS/STS), and recommended upgrade targets.
Install
npx skills add microsoft/upgrade-agent-plugins --skill dotnet-version-upgradenpx skills add microsoft/upgrade-agent-plugins --skill dotnet-version-upgrade -a claude-code -gnpx skills add microsoft/upgrade-agent-plugins --skill dotnet-version-upgrade -a codex -ggemini skills install https://github.com/microsoft/upgrade-agent-plugins.git --path plugins/upgrade-agent/upgrade/dotnet/skills/scenarios/dotnet-version-upgradegh skill install microsoft/upgrade-agent-plugins dotnet-version-upgradegit 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/scenarios/dotnet-version-upgrade ~/.claude/skills/dotnet-version-upgrade # Claude Code
cp -R /tmp/microsoft__upgrade-agent-plugins/plugins/upgrade-agent/upgrade/dotnet/skills/scenarios/dotnet-version-upgrade ~/.agents/skills/dotnet-version-upgrade # Codex, Cursor, Gemini CLI, Copilot, OpenCode