Agent Substrate Runtime Can Suspend and Resume Per Tool Call

jonathangrahl · x · 2026-09-21

The author announces Agent Substrate, a compute runtime that can run on Kubernetes and powers everything they've demoed so far.

The key claim: suspend and resume are fast enough to do it per tool call.

Asked about throughput in larger environments, the author says they offer fast-attaching NFS mounts for cases that require huge volumes.

Related event: Google Open-Sources AX and Agent Substrate, Rebuilding Kubernetes for Agents(11 posts)→

Original post →

More from coding & agent

coding & agent channel →