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Steve Sewell
CEO of Builder.io. Creator of Mitosis and GPT Crawler. Building Visual Copilot.
United States
6.4
About
Steve Sewell is the CEO of Builder.io and creator of Mitosis (write components once, compile to any framework) and GPT Crawler (turn any website into a custom GPT knowledge base). He is now building Visual Copilot, a Figma-to-code AI tool.
His open-source work sits at the intersection of AI and web development, creating tools that make it easier for developers and designers to ship faster. GPT Crawler in particular went viral and demonstrated a practical use case for custom GPTs.
AI Stack
ChatGPT
Expert
Claude
Power User
Known For
- Builder.io CEO
- Mitosis (universal components)
- GPT Crawler (viral tool)
- Visual Copilot (Figma-to-code AI)
