Vercel ships run: a hardened QuickJS sandbox with human-approval pauses for coding agents

cramforce · x · 2026-08-26

Vercel announced run for coding agents: code executes in a hardened QuickJS sandbox, only approved host functions are exposed, execution can pause for human approval and then resume, and it runs anywhere Node.js runs. Commenters praised the API design as "ASMR for code design." A solid reference for building controlled agent execution pipelines.

Related event: Vercel Launches Run SDK for Sandboxed Agent Code Execution(3 posts)→

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