diff --git a/AGENTS.md b/AGENTS.md
index 591632d..05f1827 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -8,6 +8,7 @@ Also see the other related technical documentation: README.md.
 - PowerShell doesn't support bash-style heredocs. If complex scripts need to be executed, consider using python. Run Python code using python -c with inline commands instead of python - <<'PY'.
 - web.config in the server is different than locally, it must be exluded from deployment.
 - Before beginning with the edit phase, always present a plan first. Only begin editing after the user approves the plan.
+- Don't make assumptions in the plan. If necessary, ask all clarifying questions before presenting the final plan.
 - After every iteration, evaluate if the test coverage would fall below 100%, and write tests if necessary.
 - After every iteration, run "scripts/ci-local.ps1" and ensure that nothing broke.
 - After every iteration, update all related documentation according to the change.