ArkType
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arktype.io
ArkType
@arktype.io
TypeScript's 1:1 validator, optimized from editor to runtime ⛵

http://github.com/arktypeio/arktype
👋http://arktype.io/discord
we've been surprised by some of the real-world expressions it can handle, but you'll still hit the limits of typescript eventually, so what then?
November 5, 2025 at 2:26 PM
📢Introducing ArkRegex📢

a drop in replacement for new RegExp() with types ⬇️
October 28, 2025 at 4:38 PM
attest can snapshot types, type errors and autocomplete results.

all from your existing unit tests📚🔗⬇️
September 17, 2025 at 4:43 PM
1️⃣ start with a typescript keyword
2️⃣ .autocomplete the rest
September 9, 2025 at 4:50 PM