Agent37 (YC F26): low-cost gVisor sandboxes for agent harnesses
Launch HN: Agent37 hosts Hermes/OpenClaw/Claude Code/Codex/OpenCode/Pi (or your Docker) in per-tenant gVisor sandboxes; prepaid compute meters by the minute (2 vCPU/4 GB ≈ $4.76 for 730 awake hours), disk-only when asleep (~$0.36/mo for 4 GB), $5 starter credit, free personal tier, managed MCPs + LLM gateway; avg customer spend cited at $0.37/sandbox/mo.