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Upstash Box gives AI agents their own isolated cloud computer with a built-in agent, filesystem, shell, git and runtime. The following table shows what CostGraph runs on this provider.

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Connect

Connect Upstash Box on Integrations, and CostGraph starts sandboxes in your Upstash Box account. You don’t run anything yourself.
  1. In CostGraph, go to Integrations > Sandbox > Upstash Box.
  2. Enter these fields:
    • Box API key (UPSTASH_BOX_API_KEY, required): An Upstash Box API key from the Upstash console.
  3. Click Connect.
For CI runners, CostGraph picks the smallest box size that fits: small, medium or large.

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Your own dispatcher

To keep the key out of CostGraph or reach a private network, run your own dispatcher instead. Set provider to upstash and the preceding fields as environment variables, as described in Run your own dispatcher.

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Key and permissions

UPSTASH_BOX_API_KEY is an Upstash Box API key (box_…) created in the Upstash Console (console.upstash.com); it is also the SSH password for a box. The provider doesn’t document key scopes or roles, so a key has full access to the account. Sources: upstash.com: quickstart, upstash.com: pricing, upstash.com: keep alive.

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Limits

  • Sizes: small 2 vCPU/4 GB, medium 4 vCPU/8 GB, large 8 vCPU/16 GB. (source)
  • Standard boxes pause when idle: after 1 h on Free, 6 h on Pay as You Go, never on Fixed (keep-alive, paid only). (source)
  • Concurrency: Free 10 boxes; paid 1,000 (soft limit). (source)
  • Region: AWS us-east-1 only. Max lifetime and architecture not documented. (source)