diff --git a/agents.md b/agents.md
index 230ead7..9c54f85 100644
--- a/agents.md
+++ b/agents.md
@@ -284,4 +284,14 @@ If you want, next we can:
 - Add **machine-checkable lint rules** derived from this
 - Write a **migration appendix** for legacy `/etc/nixos`
 - Create a **Codex system prompt** that mirrors this file exactly
-```
\ No newline at end of file
+```
+
+---
+
+## Test VM (current)
+
+- Built from our installer ISO (`nixos-minimal-25.11.20260130.63590ac-x86_64-linux.iso`).
+- Hostname: `nanuqsaurus`.
+- User: `admin` / password `admin`.
+- Network: DHCP on primary interface (e.g., `ensp1s0` in VM); SSH reachable once IP obtained.
+- Purpose: sandbox for validating flake changes before baking into the ISO.