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Serafim Korablev

CEO / co-founder, 21st 


Join Date

May 2026

Gender

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Age

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About Serafim Korablev

One of the first full-time vibe-coders (since October 2023).

Co-founder of 21st.dev, a UI components registry with over 1m users.

Previously co-founded Rork.com (then a web app builder for Next.js), the first Telegram-native memecoin launchpad (multi-million exit), and Via, a cross-chain crypto routing protocol with $1.5B GTV backed by Naval, Safe, Sandeep, and others.

Passionate about design and basketball.

Companies & Work

21st

21st

21st.dev is the largest React component registry for AI applications, used by 2M developers (370K MAU).
We provide the building blocks to create AI agents and agent-powered apps: UI components, agent templates, and an SDK with built-in UI, tools, memory, observability, and managed infrastructure.

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