---
title: "Sub8 — isolated computer-use for coding agents · Daniel Farina"
description: "Agent harnesses, evals, and the layer around the model."
canonical: https://danielfarina.com/posts/sub8-isolated-computer-use-for-coding-agents/
last-updated: "2026-08-30"
---

# Sub8 — isolated computer-use for coding agents · Daniel Farina

Source: https://danielfarina.com/posts/sub8-isolated-computer-use-for-coding-agents/

[← All writing](https://danielfarina.com/writing)

# Sub8 — isolated computer-use for coding agents

Sandbox layer so the agent that talks to you isn't the process holding the write lock.

           Aug 16, 2026   10.7k views on X  [Original post ↗](https://x.com/Daniel_Farinax/status/2089423915718517220)            [View on X ↗](https://x.com/Daniel_Farinax/status/2089423915718517220)

Introducing Sub8 Bots🐙

An open-source alternative to @bot that lets you run them directly on local Linux VMs with any Grok Build subscription.

Alpha release for developers, contributions welcome.

There’s a lot that can be improved. Drop your ideas below.

Download from [https://sub8.grok.me/?v](https://sub8.grok.me/?v)