RSC Boundary is an open-source developer tool that visualizes the boundaries between server and client components in React Server Component architectures, supporting Next.js and TanStack Start. It aids developers in debugging and optimizing their applications.
RSC Boundary sits in PulseGate's Frameworks & SDKs category. Helping developers visualize and debug server-client boundaries in React Server Components. RSC Boundary is an open-source project aimed at react and Next.js developers. The project is open source (MIT). It runs on the web and the command line.
It is developed by Valentin Prugnaud, and the product first shipped in 2026. The project is developed in the open on GitHub with 109 stars and 78 commits in the last 90 days. Among its 5 catalogued features are boundary visualization, next.js integration, and TanStack Start support.
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