Cursor Agents Run in Vercel Sandbox
π‘See how to run coding agents in isolated, scale-to-zero microVMs with durable retries.
β‘ 30-Second TL;DR
What Changed
Each agent request receives a dedicated isolated Vercel Sandbox running in a Firecracker microVM.
Why It Matters
This gives teams more control over the execution environment for coding agents while reducing infrastructure management overhead. Per-request isolation and durable retries can improve security and reliability for automated repository operations, especially in serverless or bursty workloads.
What To Do Next
Deploy Vercel's reference implementation in a test Vercel account and benchmark Cursor Cloud Agent latency, isolation, retry behavior, and Sandbox costs against your current runner.
Key Points
- β’Each agent request receives a dedicated isolated Vercel Sandbox running in a Firecracker microVM.
- β’Vercel Functions and Vercel Workflow provide a durable control plane for queued requests, worker provisioning, monitoring, retries, and cleanup.
- β’The worker pool scales to zero without requiring long-lived virtual machines.
- β’Short-lived, user-scoped credentials are kept inside each Sandbox.
- β’Cursor Self-Hosted Machines requires a Cursor Enterprise plan.
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Original source: Vercel News β
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