diff --git a/scripts/cxx-api/parser/__main__.py b/scripts/cxx-api/parser/__main__.py
index 84dbb9a57cbd..00f5d219356b 100644
--- a/scripts/cxx-api/parser/__main__.py
+++ b/scripts/cxx-api/parser/__main__.py
@@ -193,22 +193,20 @@ def build_snapshots(
                     failed_views = ", ".join(name for name, _ in errors)
                     raise RuntimeError(f"Failed to generate snapshots: {failed_views}")
     else:
-        with tempfile.TemporaryDirectory(prefix="cxx-api-test-") as work_dir:
-            snapshot = build_snapshot_for_view(
-                api_view="Test",
-                react_native_dir=react_native_dir,
-                include_directories=[],
-                exclude_patterns=[],
-                definitions={},
-                output_dir=output_dir,
-                codegen_platform=None,
-                verbose=verbose,
-                input_filter=input_filter,
-                work_dir=work_dir,
-            )
-
-            if verbose:
-                print(snapshot)
+        snapshot = build_snapshot_for_view(
+            api_view="Test",
+            react_native_dir=react_native_dir,
+            include_directories=[],
+            exclude_patterns=[],
+            definitions={},
+            output_dir=output_dir,
+            codegen_platform=None,
+            verbose=verbose,
+            input_filter=input_filter,
+        )
+
+        if verbose:
+            print(snapshot)
 
 
 def get_default_snapshot_dir() -> str:
diff --git a/scripts/cxx-api/parser/member/variable_member.py b/scripts/cxx-api/parser/member/variable_member.py
index 8c456f6c1e17..403af09eae45 100644
--- a/scripts/cxx-api/parser/member/variable_member.py
+++ b/scripts/cxx-api/parser/member/variable_member.py
@@ -111,6 +111,8 @@ def to_string(
                 result += f"{qualified_type} (*{name})({formatted_args})"
         else:
             result += f"{format_parsed_type(self._parsed_type)} {name}"
+            if self.argstring:
+                result += self.argstring
 
         if STORE_INITIALIZERS_IN_SNAPSHOT and self.value is not None:
             if self.is_brace_initializer:
diff --git a/scripts/cxx-api/parser/scope/base_scope_kind.py b/scripts/cxx-api/parser/scope/base_scope_kind.py
index 02aa9720687b..ae27e0a583c4 100644
--- a/scripts/cxx-api/parser/scope/base_scope_kind.py
+++ b/scripts/cxx-api/parser/scope/base_scope_kind.py
@@ -34,7 +34,12 @@ def _format_scope_body(self, scope: Scope, member_suffix: str = "") -> str:
         stringified_members = [
             member.to_string(2) + member_suffix for member in scope.get_members()
         ]
+
         stringified_members = natsorted(stringified_members)
+        # Deduplicate members that produce identical signatures (e.g.
+        # constructors inherited from multiple bases).
+        stringified_members = list(dict.fromkeys(stringified_members))
+
         result = "{"
         if stringified_members:
             result += "\n" + "\n".join(stringified_members)
diff --git a/scripts/cxx-api/parser/scope/namespace_scope_kind.py b/scripts/cxx-api/parser/scope/namespace_scope_kind.py
index 0d7444be5473..57aaae3df7a9 100644
--- a/scripts/cxx-api/parser/scope/namespace_scope_kind.py
+++ b/scripts/cxx-api/parser/scope/namespace_scope_kind.py
@@ -35,6 +35,8 @@ def to_string(self, scope: Scope) -> str:
         result = []
         for kind in MemberKind:
             sorted_group = natsorted(groups[kind])
+            # Deduplicate members with identical signatures.
+            sorted_group = list(dict.fromkeys(sorted_group))
             result.extend(sorted_group)
 
         return "\n".join(result)
diff --git a/scripts/cxx-api/tests/snapshots/should_handle_array_variable/snapshot.api b/scripts/cxx-api/tests/snapshots/should_handle_array_variable/snapshot.api
new file mode 100644
index 000000000000..fd3f119e9564
--- /dev/null
+++ b/scripts/cxx-api/tests/snapshots/should_handle_array_variable/snapshot.api
@@ -0,0 +1 @@
+const char test::ViewComponentName[];
diff --git a/scripts/cxx-api/tests/snapshots/should_handle_array_variable/test.h b/scripts/cxx-api/tests/snapshots/should_handle_array_variable/test.h
new file mode 100644
index 000000000000..cf1624f6b919
--- /dev/null
+++ b/scripts/cxx-api/tests/snapshots/should_handle_array_variable/test.h
@@ -0,0 +1,14 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#pragma once
+
+namespace test {
+
+const char ViewComponentName[] = "View";
+
+} // namespace test
diff --git a/scripts/cxx-api/tests/snapshots/should_handle_multiple_inherited_constructors/snapshot.api b/scripts/cxx-api/tests/snapshots/should_handle_multiple_inherited_constructors/snapshot.api
new file mode 100644
index 000000000000..4b008a74d180
--- /dev/null
+++ b/scripts/cxx-api/tests/snapshots/should_handle_multiple_inherited_constructors/snapshot.api
@@ -0,0 +1,27 @@
+class test::BaseTextShadowNode : public test::ShadowNode {
+  public BaseTextShadowNode(const test::ShadowNode& source, const test::ShadowNode::Fragment& fragment);
+  public BaseTextShadowNode(const test::ShadowNode::Fragment& fragment, const test::ShadowNode::Shared& family, test::ShadowNode::Traits traits);
+}
+
+class test::ConcreteViewShadowNode : public test::ShadowNode {
+  public ConcreteViewShadowNode(const test::ShadowNode& source, const test::ShadowNode::Fragment& fragment);
+  public ConcreteViewShadowNode(const test::ShadowNode::Fragment& fragment, const test::ShadowNode::Shared& family, test::ShadowNode::Traits traits);
+}
+
+class test::ParagraphShadowNode : public test::ConcreteViewShadowNode, public test::BaseTextShadowNode {
+  public ParagraphShadowNode(const test::ShadowNode& source, const test::ShadowNode::Fragment& fragment);
+  public ParagraphShadowNode(const test::ShadowNode::Fragment& fragment, const test::ShadowNode::Shared& family, test::ShadowNode::Traits traits);
+}
+
+class test::ShadowNode {
+}
+
+enum test::ShadowNode::Traits {
+  None,
+}
+
+struct test::ShadowNode::Fragment {
+}
+
+struct test::ShadowNode::Shared {
+}
diff --git a/scripts/cxx-api/tests/snapshots/should_handle_multiple_inherited_constructors/test.h b/scripts/cxx-api/tests/snapshots/should_handle_multiple_inherited_constructors/test.h
new file mode 100644
index 000000000000..2d19852e49cc
--- /dev/null
+++ b/scripts/cxx-api/tests/snapshots/should_handle_multiple_inherited_constructors/test.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#pragma once
+
+namespace test {
+
+class ShadowNode {
+ public:
+  struct Fragment {};
+  struct Shared {};
+  enum class Traits { None };
+};
+
+class ConcreteViewShadowNode : public ShadowNode {
+ public:
+  ConcreteViewShadowNode(const ShadowNode &source, const Fragment &fragment);
+  ConcreteViewShadowNode(const Fragment &fragment, const Shared &family, Traits traits);
+};
+
+class BaseTextShadowNode : public ShadowNode {
+ public:
+  BaseTextShadowNode(const ShadowNode &source, const Fragment &fragment);
+  BaseTextShadowNode(const Fragment &fragment, const Shared &family, Traits traits);
+};
+
+class ParagraphShadowNode : public ConcreteViewShadowNode, public BaseTextShadowNode {
+ public:
+  using BaseTextShadowNode::BaseTextShadowNode;
+  using ConcreteViewShadowNode::ConcreteViewShadowNode;
+};
+
+} // namespace test