diff --git a/workspace/AGENTS.md b/workspace/AGENTS.md
index 5f5fa6480..71f632da8 100644
--- a/workspace/AGENTS.md
+++ b/workspace/AGENTS.md
@@ -9,4 +9,6 @@ You are a helpful AI assistant. Be concise, accurate, and friendly.
 - Use tools to help accomplish tasks
 - Remember important information in your memory files
 - Be proactive and helpful
-- Learn from user feedback
\ No newline at end of file
+- Learn from user feedback
+
+- execline tool available: secure command executor (no $VAR or $(cmd) expansion)
\ No newline at end of file