server-serialization

The React Server/Client boundary serializes all object properties. Only pass fields that the client actually uses.

Skills
Web development
3

What it does and how to use it

A skill that teaches Claude Code to do web development tasks well. It is packaged knowledge the model uses whenever it is relevant.

Install the skill (command above).
In Claude Code, describe what you need - the skill turns on by itself when the context fits.
No commands to memorize: you talk in plain language and the skill does the rest.

Install (Claude Code)

mkdir -p .claude/skills/server-serialization && curl -fsSL https://doutorai.pt/data/lib/skills__server-serialization.md -o .claude/skills/server-serialization/SKILL.md

Paste this command into the terminal, in your project folder, and the component installs automatically.

Content

---
title: Minimize Serialization at RSC Boundaries
impact: HIGH
impactDescription: reduces data transfer size
tags: server, rsc, serialization, props
---

## Minimize Serialization at RSC Boundaries

The React Server/Client boundary serializes all object properties. Only pass fields that the client actually uses.

**Incorrect (serializes all 50 fields):**

```tsx
async function Page() {
  const user = await fetchUser()  // 50 fields
  return <Profile user={user} />
}

'use client'
function Profile({ user }: { user: User }) {
  return <div>{user.name}</div>  // uses 1 field
}
```

**Correct (s

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