project

Run SDK

Vercel's JavaScript package for evaluating untrusted JavaScript and TypeScript in a QuickJS sandbox, where the surrounding application exposes capabilities as host functions and can interrupt and resume a run.

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build1 publisher

Vercel puts agent-written TypeScript in QuickJS and makes host functions the real boundary

The Run SDK swaps eval's ambient authority for a worker-thread sandbox with narrow host functions and resumable interrupts. The replay semantics are the part to read twice.

Publishers:blog.vercel.com

Reality

Evidence45
Adoption22
Hype gap+18
Incentives78
Confidence50