Dan Abramov • 12/19/2025

Introducing RSC Explorer

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This article introduces RSC Explorer, an open-source browser-based tool that visually demonstrates how the React Server Components (RSC) protocol serializes and streams data. It explains the tool's purpose in demystifying the internal workings of RSC, especially following recent security disclosures, and shows how it simulates the protocol's streaming process to reconstruct JSX on the client.

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#react server components #serialization #Security Vulnerability
Introducing RSC Explorer

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