Upgrade the typescript npm package (the TypeScript compiler) to a newer version through incremental major-version migrations. Use this when asked to upgrade, update, or migrate typescript itself — especially to TypeScript 7. Do NOT use this for upgrading other npm packages (use typescript-dependencies-upgrade instead).
Install
npx skills add microsoft/upgrade-agent-plugins --skill typescript-compiler-upgradenpx skills add microsoft/upgrade-agent-plugins --skill typescript-compiler-upgrade -a claude-code -gnpx skills add microsoft/upgrade-agent-plugins --skill typescript-compiler-upgrade -a codex -ggemini skills install https://github.com/microsoft/upgrade-agent-plugins.git --path plugins/upgrade-agent/upgrade/typescript/skills/typescript-compiler-upgradegh skill install microsoft/upgrade-agent-plugins typescript-compiler-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-compiler-upgrade ~/.claude/skills/typescript-compiler-upgrade # Claude Code
cp -R /tmp/microsoft__upgrade-agent-plugins/plugins/upgrade-agent/upgrade/typescript/skills/typescript-compiler-upgrade ~/.agents/skills/typescript-compiler-upgrade # Codex, Cursor, Gemini CLI, Copilot, OpenCode