tools-only Prompt Engineering Fundamentals
Prompt Engineering Fundamentals
Effective Prompt Structure
[CONTEXT] What you're working on
[TASK] What you want to accomplish
[CONSTRAINTS] Requirements and limitations
[FORMAT] How you want the output
[EXAMPLES] Reference patterns if needed
Example Well-Structured Prompt
CONTEXT: Working on a Next.js 14 e-commerce app with TypeScript
TASK: Create a shopping cart hook that:
- Manages cart items in localStorage
- Syncs with server when user logs in
- Handles quantity updates
- Calculates totals with tax
CONSTRAINTS:
- Use Zustand for state management
- Follow existing patterns in @hooks/useAuth.ts
- Handle offline scenarios gracefully
- TypeScript strict mode
FORMAT:
- Single useCart.ts file
- Export named hook and types
- Include JSDoc comments