Act on this, mostly signal

ScsSubst maps local folders to Windows drive letters for agent sandboxes

What to do

Map a project folder to a drive letter on Windows 10 or 11 to give an AI agent a sandboxed working drive.

Why

The tool is explicitly not an OS-level sandbox, and it has a 7-day free trial before paid licenses.

What the research found

ScsSubst maps existing local folders to Windows drive letters on Windows 10 and 11 for a sandboxed AI working drive, with a 7-day free trial and paid monthly, yearly or lifetime licenses, and is explicitly not an OS-level sandbox.

Claims and how well the evidence supports them

ScsSubst maps local folders to Windows drive letters on Windows 10 and 11 98%
Default trial is 7 days; a friend's invite code extends it to 14 days 98%
License options are monthly, yearly or lifetime 98%
It is not an OS-level sandbox; the AI must be pointed at the mapped drive 98%

Evidence

subst.scsoi.com https://subst.scsoi.com/

Actionability rated low.