# TS Generics

> TypeScript skill that uses generics like Promise<User>, Vec<System> — must NOT fire R01

- Skill: `lichamnesia/ts-generics` (Agent Skill)
- Install (CLI): `npx skillmds@latest add lichamnesia/ts-generics`
- Raw SKILL.md: https://api.skillmd.com/api/skills/lichamnesia/ts-generics/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: lichamnesia (https://skillmd.com/u/lichamnesia)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/lichamnesia/ts-generics

---


```typescript
async function getUser(): Promise<User> {
  return fetch('/api').then(r => r.json() as User);
}
type Container<System> = { items: System[] };
```