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@colinhacks

Colin McDonnell

colinhacks
Seattle, WA

I like typesafety. I built and currently maintain Zod — a TypeScript schema validation library with advanced type inference. I also designed the first proof of concept of tRPC.

I got into open-source while trying to build a medical record software. The startup failed but the technical challenges I encountered have kept me busy for years :) Managing the complexity of an app with over 200 highly-connected tables made the limitations of current validation, API design, and state management tools exceedingly clear.

My open-source projects are tools I built to manage this complexity. I hope they're useful to anyone who wants to build apps in a type-safe, reliable way.

@colinhacks

This is roughly enough to keep me alive based on sponsorship income alone. A man can dream.

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Featured work

  1. colinhacks/zod

    TypeScript-first schema validation with static type inference

    TypeScript 41,876
  2. colinhacks/devii

    A developer blog starter for 2021 (Next.js + React + TypeScript + Markdown + syntax highlighting)

    TypeScript 498

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76% towards 100 monthly sponsors goal

@idreyn @illarionvk
@bravely @alii @Marcato-Partners @thomasboyt @ferjul17

idreyn and 75 others sponsor this goal

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$ a month

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$249 a month

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Bronze Sponsor 🥉

Get your logo in the "Bronze Sponsors" section of zod.dev and the README. You'll get ~600k impressions per month.

$499 a month

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Silver Tier 🥈

Get your logo and link of your choosing in the "SIlver Sponsors" section of zod.dev and the README. You'll get ~600k impressions per month.

$999 a month

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Gold Tier 🥇

Get your name, logo, and link of your choosing in the "Gold Sponsors" section of zod.dev and the README. You'll get ~600k impressions per month.

$4,999 a month

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The Decacorn Tier 🦄

🚨 IMPORTANT — Do not sponsor at this level unless you represent a corporation with a valuation above $10 billion USD. This is very serious. 🚨

A number of AI and API developer tools use Zod as an idiomatic way to represent user-defined runtime types, e.g. structured outputs, tool inputs, API contracts, etc. This differs from regular Zod usage; Zod is acting here as an integral component of the dev-facing API surface.

A subset of these tools are SDKs for for-profit offerings built by companies worth >$10B USD. This tier is intended for those companies as a means to support future Zod development. All Diamond tier perks apply, plus priority pro-bono consulting relating to Zod integrations.