Upgrade a JavaScript or TypeScript project's npm dependencies to their latest or explicitly requested exact versions and resolve breaking changes. Use this when asked to upgrade, update, or modernize npm packages in any JavaScript or TypeScript project — including JavaScript-only projects with no tsconfig.json — whether upgrading all packages or specific ones the user names, except when the user…
Install
npx skills add microsoft/upgrade-agent-plugins --skill typescript-dependencies-upgradenpx skills add microsoft/upgrade-agent-plugins --skill typescript-dependencies-upgrade -a claude-code -gnpx skills add microsoft/upgrade-agent-plugins --skill typescript-dependencies-upgrade -a codex -ggemini skills install https://github.com/microsoft/upgrade-agent-plugins.git --path plugins/upgrade-agent/upgrade/typescript/skills/typescript-dependencies-upgradegh skill install microsoft/upgrade-agent-plugins typescript-dependencies-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/typescript/skills/typescript-dependencies-upgrade ~/.claude/skills/typescript-dependencies-upgrade # Claude Code
cp -R /tmp/microsoft__upgrade-agent-plugins/plugins/upgrade-agent/upgrade/typescript/skills/typescript-dependencies-upgrade ~/.agents/skills/typescript-dependencies-upgrade # Codex, Cursor, Gemini CLI, Copilot, OpenCode