Colin McDonnell builds open-source TypeScript tools, including Zod, Nub, Standard Schema and Pullfrog, and wrote the initial version of tRPC. He previously worked at EdgeDB and Bun and founded an electronic health record startup backed by Y Combinator.

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Colin McDonnell builds open-source TypeScript tools, including Zod, Nub, Standard Schema and Pullfrog, and wrote the initial version of tRPC. He previously worked at EdgeDB and Bun and founded an electronic health record startup backed by Y Combinator.

colinhacks.com

Designing the perfect Typescript schema validation library

Colin explains the original design of Zod, including type inference, composable schemas and the developer experience tradeoffs behind it.

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