Upgrade existing Aspire projects to a newer Aspire version. Also handles TFM upgrades — preferred when the solution contains Aspire projects, since the Aspire version drives the required TFM. Triggers for "upgrade Aspire", "update Aspire version", "move to latest Aspire", or any .NET upgrade request on a solution with Aspire artifacts.
Install
npx skills add microsoft/upgrade-agent-plugins --skill aspire-version-upgradenpx skills add microsoft/upgrade-agent-plugins --skill aspire-version-upgrade -a claude-code -gnpx skills add microsoft/upgrade-agent-plugins --skill aspire-version-upgrade -a codex -ggemini skills install https://github.com/microsoft/upgrade-agent-plugins.git --path plugins/upgrade-agent/upgrade/dotnet/skills/scenarios/aspire-version-upgradegh skill install microsoft/upgrade-agent-plugins aspire-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/aspire-version-upgrade ~/.claude/skills/aspire-version-upgrade # Claude Code
cp -R /tmp/microsoft__upgrade-agent-plugins/plugins/upgrade-agent/upgrade/dotnet/skills/scenarios/aspire-version-upgrade ~/.agents/skills/aspire-version-upgrade # Codex, Cursor, Gemini CLI, Copilot, OpenCode