tRPC Full-Stack Overview tRPC lets you build fully type-safe APIs without writing a schema or code-generation step. Your TypeScript types flow from the server router directly to the client — so every API call is autocompleted, validated at compile time, and refactoring-safe. Use this skill when building TypeScript monorepos, Next.js apps, or any project where the server and client share a codebase. When to Use This Skill - Use when building a TypeScript full-stack app (Next.js, Remix, Express + React) where the client and server share a single repo - Use when you want end-to-end type safety o…