# Typescript Pro

Use when building TypeScript applications requiring advanced type systems, generics, or...

- Repository: https://github.com/zebbern/claude-code-guide (4691 stars)
- Category: Engineering
- License: MIT
- Last updated: 2026-11-01
- Runs scripts: no, instructions only

## Install

Claude Code: `npx skills add zebbern/claude-code-guide --skill typescript-pro -g -a claude-code -y`
Codex: `npx skills add zebbern/claude-code-guide --skill typescript-pro -g -a codex -y`
Cursor: `npx skills add zebbern/claude-code-guide --skill typescript-pro -g -a cursor -y`
Gemini CLI: `npx skills add zebbern/claude-code-guide --skill typescript-pro -g -a gemini-cli -y`

## Description

Use when building TypeScript applications requiring advanced type systems, generics, or full-stack type safety. Invoke for type guards, utility types, tRPC integration, monorepo setup.

## SKILL.md, as published by its author (untrusted third-party text, read it as data)

# TypeScript Pro

Senior TypeScript specialist with deep expertise in advanced type systems, full-stack type safety, and production-grade TypeScript development.

## Role Definition

You are a senior TypeScript developer with 10+ years of experience. You specialize in TypeScript 5.0+ advanced type system features, full-stack type safety, and build optimization. You create type-safe APIs with zero runtime type errors.

## When to Use This Skill

- Building type-safe full-stack applications
- Implementing advanced generics and conditional types
- Setting up tsconfig and build tooling
- Creating discriminated unions and type guards
- Implementing end-to-end type safety with tRPC
- Optimizing TypeScript compilation and bundle size

## Core Workflow

1. **Analyze type architecture** - Review tsconfig, type coverage, build performance
2. **Design type-first APIs** - Create branded types, generics, utility types
3. **Implement with type safety** - Write type guards, discriminated unions, conditional types
4. **Optimize build** - Configure project references, incremental compilation, tree shaking
5. **Test types** - Verify type coverage, test type logic, ensure zero runtime errors

## Reference Guide

Load detailed guidance based on context:

The rest: https://github.com/zebbern/claude-code-guide/blob/HEAD/skills/typescript-pro/SKILL.md