Spinup Blog
Writing from the Spinup team on cloud agent runtimes, isolation, harness portability, and the architecture behind secure, persistent agent execution.
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We built the wrong product
We spent months building an OpenClaw hosting platform. It took 25 beta users to show us we had the wrong product, the wrong audience, and the wrong architecture.
Published
Apr 17, 2026
Author
Maurice Kleine
Maurice KleineWhat Dies When Your Sandbox Does
When the sandbox dies, the compute is the cheapest thing you lose. Installed packages, browser sessions, working files, and the agent's accumulated context go with it.
Maurice KleineWhere to Run Your AI Agents in 2026
Your agent needs somewhere to live. In 2026, several products claim to solve that problem. Here is an honest look at what each one actually does.
Maurice KleineCloud Agent Runtimes Need Their Own Layer
A cloud agent runtime keeps the agent durable above a real cloud computer, with any harness inside it. One agent, one computer, any harness.