diff --git a/codex-rs/core/src/tools/spec_plan.rs b/codex-rs/core/src/tools/spec_plan.rs
index be5e6741d4..66e6109070 100644
--- a/codex-rs/core/src/tools/spec_plan.rs
+++ b/codex-rs/core/src/tools/spec_plan.rs
@@ -242,9 +242,19 @@ fn build_code_mode_executors(
             executor.spec()
         })
         .collect::<Vec<_>>();
-    let namespace_descriptions = code_mode_namespace_descriptions(&code_mode_nested_tool_specs);
+    let code_mode_prompt_tool_specs = executors
+        .iter()
+        .filter_map(|executor| {
+            if executor.exposure() != ToolExposure::Direct {
+                return None;
+            }
+
+            executor.spec()
+        })
+        .collect::<Vec<_>>();
+    let namespace_descriptions = code_mode_namespace_descriptions(&code_mode_prompt_tool_specs);
     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_prompt_tool_specs.iter());
     enabled_tools
         .sort_by(|left, right| compare_code_mode_tools(left, right, &namespace_descriptions));