Apply when designing types, reviewing a function signature, or writing code in any statically-typed language.
Expert guidance on writing correct Typedown code, focusing on syntax, best practices, and common pitfalls.
Automate Typefully tasks via Rube MCP (Composio).
Create, schedule, and manage social media posts via Typefully.
TypeScript configuration, strict mode, generics, and type utilities.
Advanced TypeScript patterns including generics, conditional types, mapped types, template literals, and type guards
Comprehensive guidance for mastering TypeScript's advanced type system including generics, conditional types, mapped types, template…
Use when typeScript async patterns including Promises, async/await, and async iterators with proper typing.
MUST use when writing TypeScript scripts.
TypeScript development. Use for TypeScript, Node.js, Express, Fastify, Zod, vitest, jest. Backend, CLI, libraries only — no frontend…
TypeScript and JavaScript expert with deep knowledge of type-level programming, performance optimization, monorepo management, migration…
TypeScript-specific conventions — type narrowing, optional chaining, type safety.
When to activate: monorepo, Turborepo, pnpm workspaces, shared packages, workspace dependencies, TypeScript project references
Master TypeScript with advanced types, generics, and strict type safety.
Modern TypeScript project architecture guide for 2025.
You are a TypeScript project architecture expert specializing in scaffolding production-ready Node.js and frontend applications.
TypeScript SDK development with Node.js and browser support.
Use when typeScript utility types, mapped types, and advanced type manipulation.
Use when writing or reviewing TypeScript code that uses Zod schemas — especially when extending base schemas for specific contexts…
Use when a Design/UI task needs typography improvements, font choice, hierarchy, sizing, weight, line length, readability, or text…
Generate and format typing rules in inference rule notation for type system design