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Web Development Feb 15, 2026

React Server Components vs. AI: Solving the 'Use Client' Hallucination

LLMs trained on pre-2024 data often default to client-side React patterns. This guide shows how to prompt-engineer your way to clean, performant Server Components.

Ask an AI to build a Next.js component, and 9 times out of 10, it slaps 'use client' at the top of a static navbar. It's the "useEffect" muscle memory from 2022.

The Solution: Role-Based Prompting

You need to explicitly frame the architectural constraint. Don't just say "Build a component." Say:

"You are an expert in Next.js App Router (v15). Default to Server Components. Only use Client Components for interactivity (state, hooks). Separation of concerns is critical."

Linter Rules

Update your ESLint config to enforce server-component-first patterns. If the AI tries to import `useState` in a file without `'use client'`, the linter should catch it. Feed this linter error back to the agent, and it will self-correct.

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