Railway launches Sandboxes: spin up thousands of VMs for your agents

samgoodwin89 · x · 2026-09-17

Railway announced Sandboxes, a feature that spins up thousands of VMs right next to your existing infra, letting agents (and code) run, checkpoint, and fork.

Developer samgoodwin89 shared a funny moment: he went to prompt an agent to add Railway Sandboxes support, only to realize it was already built in — likely because the schema already included it.

Related event: Railway Launches Sandboxes for Agents, Alchemy Adds Integration(2 posts)→

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