Guide
The sandbox lifecycle: from image to resumed work
An introduction to defining a Borealis sandbox, running real tools, and preserving an environment when work pauses.
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Featured post
Engineering
Rebuilding the Borealis runtime
How we rebuilt Borealis around serverless logical VMs: computers whose identity and lifecycle are independent of the physical host currently running them.
Borealis Team
Changelog
What's new in Borealis
Product updates, engineering stories, and practical guides for running code in Borealis sandboxes.
August 2026
Update
Automate Borealis with the CLI, API, and MCP
Create sandboxes, run commands, and follow their progress from your terminal, your application, or an MCP client.
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July 2026
Launch
Introducing Borealis: a place for your code to run
Borealis gives developers and their agents managed sandboxes for running tools, changing files, and starting services. Here is why we built it.
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