diff --git a/codex-rs/core/src/tools/spec_plan.rs b/codex-rs/core/src/tools/spec_plan.rs
index ab9d02f97c..e5d0043677 100644
--- a/codex-rs/core/src/tools/spec_plan.rs
+++ b/codex-rs/core/src/tools/spec_plan.rs
@@ -378,8 +378,21 @@ fn build_code_mode_executors(
         })
         .collect::<Vec<_>>();
     let namespace_descriptions = code_mode_namespace_descriptions(&code_mode_nested_tool_specs);
+    let code_mode_exec_prompt_tool_specs = executors
+        .iter()
+        .filter_map(|executor| {
+            if matches!(
+                executor.exposure(),
+                ToolExposure::DirectModelOnly | ToolExposure::Deferred
+            ) {
+                return None;
+            }
+
+            executor.spec()
+        })
+        .collect::<Vec<_>>();
     let mut enabled_tools =
-        collect_code_mode_exec_prompt_tool_definitions(code_mode_nested_tool_specs.iter());
+        collect_code_mode_exec_prompt_tool_definitions(code_mode_exec_prompt_tool_specs.iter());
     enabled_tools
         .sort_by(|left, right| compare_code_mode_tools(left, right, &namespace_descriptions));