---
format: "aidr-story-markdown/v1"
id: "356336643d0ab2b9f4899e2292dca1ed7f684167be1e2addadd21aa30ef2df96"
canonical_url: "https://aidr.today/35633664?lang=en"
title: "Google Described Its Agent Sandbox. I Built One with Firecracker and Measured It"
lang: "en"
requested_lang: "en"
available_langs: ["en","vi"]
translation_fallback: null
fallback_fields: []
published_at: "2026-11-07T16:01:40.000Z"
category: "Infra"
topics: ["google","agent"]
source_urls: ["https://antonau.tech/posts/2026/11/agents-microvm-firecracker/","https://news.ycombinator.com/item?id=50405649"]
summary: "A Go rebuild of Google's Agent Compute Engine pattern was built using Firecracker, featuring copy-on-write snapshot forks, idle-aware hibernation, and a NIC-less guest with a credential-injecting proxy. The implementation was measured on bare metal and under nested virtualization."
---

# Google Described Its Agent Sandbox\. I Built One with Firecracker and Measured It

> [Open the canonical story](<https://aidr.today/35633664?lang=en>)

**Published:** 2026-11-07T16:01:40.000Z
**Category:** Infra
**Topics:** google, agent

## Summary

A Go rebuild of Google's Agent Compute Engine pattern was built using Firecracker, featuring copy\-on\-write snapshot forks, idle\-aware hibernation, and a NIC\-less guest with a credential\-injecting proxy\. The implementation was measured on bare metal and under nested virtualization\.

## Sources

- [Story source](<https://antonau.tech/posts/2026/11/agents-microvm-firecracker/>)
- [Discussion](<https://news.ycombinator.com/item?id=50405649>)