diff --git a/AGENTS.md b/AGENTS.md
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@@ -46,3 +46,10 @@ Always let the user review the proposed commit scope and commit message first, a
   - `CDS1-ESX166` <-> `192.168.1.166`
 - If only one of `-c` or `-e` is provided, auto-fill the paired value from this mapping.
 - If both `-c` and `-e` are provided but conflict with mapping, stop and ask for confirmation before execution.
+
+## Machine-Based Default Paths
+
+- Before looking for screenshots or files, check the machine identity first, for example with `hostname`.
+- On `atvm-codex-aw`, use `/Home/Pictures` as the default folder when the user asks you to look at screenshots.
+- On `atvm-codex-aw`, use `/Home/Documents` as the default folder when the user asks you to look at files.
+- If the machine is different and no local convention is documented, do not guess a folder path; ask the user or inspect the local environment first.