Designs complex generic types, refactors `any` types to strict alternatives, creates type guards and utility types, and resolves TypeScript compiler errors. Use when the user asks about TypeScript (TS) types, generics, type inference, type guards, removing `any` types, strict typing, type errors, `infer`, `extends`, conditional types, mapped types, template literal types, branded/opaque types…
安装
npx skills add mcollina/skills --skill typescript-magiciannpx skills add mcollina/skills --skill typescript-magician -a claude-code -gnpx skills add mcollina/skills --skill typescript-magician -a codex -ggemini skills install https://github.com/mcollina/skills.git --path skills/typescript-magiciangh skill install mcollina/skills typescript-magiciangit clone --depth 1 https://github.com/mcollina/skills /tmp/mcollina__skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/mcollina__skills/skills/typescript-magician ~/.claude/skills/typescript-magician # Claude Code
cp -R /tmp/mcollina__skills/skills/typescript-magician ~/.agents/skills/typescript-magician # Codex, Cursor, Gemini CLI, Copilot, OpenCode