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Asteroid agents run inside isolated sandboxes. The environment type determines how the agent interacts with the target system.

Choose an environment

Use the pages below to pick the environment that matches your workload:

Browser

Headless Chromium with DOM tools, scripts, and optional CUA.

Linux

Full Linux desktop for native apps and non-browser workflows.

Windows

Windows desktop for Windows-only enterprise software.

Quick comparison

EnvironmentBest forInteraction mode
BrowserWeb apps and sites in ChromiumDOM tools + scripts + optional CUA
LinuxBrowser plus Linux-native desktop workflowsCUA desktop control
WindowsWindows-only desktop softwareCUA desktop control

Shared conventions

Regardless of environment type, every sandbox uses the same /home/agent directory layout (shared/, workspace/, downloads/, uploads/), so file handling and tool behaviour stay consistent. See Files for details.

Files

Directory layout and file API access

AI Capabilities

Tools and capability identifiers

Profiles

Credentials and environment configuration