box by ASCII
Blog
Notes from building box: sandbox benchmarks, infrastructure decisions, and what coding agents actually do inside their machines.
Build an Issue-to-PR Software Factory on Ascii Box
OpenFactory turns GitHub, Linear, and Sentry issues into planned, tested, independently reviewed pull requests. Learn how to deploy and customize the pipeline on Ascii Box.
Containers vs VMs: why your agent sandbox should be a real machine
AI agents run untrusted code, need Docker, and keep long-lived state. A look at where container sandboxes break down and why box gives every agent a full VM.
Benchmarking Five Sandbox Providers with a Devin-Style Agent Build
We had a coding agent build a Devin clone on box, E2B, Daytona, exe, and Islo. Build costs, times, error rates, and which sandbox lifecycles actually work.