diff --git a/packages/input_schema/src/index.ts b/packages/input_schema/src/index.ts
index fc92f621..296136db 100644
--- a/packages/input_schema/src/index.ts
+++ b/packages/input_schema/src/index.ts
@@ -7,12 +7,13 @@ export {
     NumberFieldDefinition,
     ObjectFieldDefinition,
     ArrayFieldDefinition,
+
+    ResourceFieldDefinition,
+    ResourceArrayFieldDefinition,
+
     MixedFieldDefinition,
     FieldDefinition,
 
     InputSchema,
-
-    McpServer,
-    McpServerTools,
 } from './types';
 export * from './utilities';
diff --git a/packages/input_schema/src/types.ts b/packages/input_schema/src/types.ts
index 2fbf42bb..c14a3e2f 100644
--- a/packages/input_schema/src/types.ts
+++ b/packages/input_schema/src/types.ts
@@ -81,7 +81,7 @@ type StorageResourceFieldDefinition<T> = CommonResourceFieldDefinition<T> & {
     resourcePermissions?: ('READ' | 'WRITE')[];
 }
 
-export type McpServerTools = {
+type McpServerTools = {
     required?: string[];
     readOnly?: boolean;
     destructive?: boolean;
@@ -89,7 +89,7 @@ export type McpServerTools = {
     openWorld?: boolean;
 }
 
-export type McpServer = {
+type McpServer = {
     url: string;
     tools?: McpServerTools;
 }
@@ -105,6 +105,8 @@ type AnyResourceFieldDefinition<T> =
 
 export type ResourceFieldDefinition = AnyResourceFieldDefinition<string> & {
     type: 'string';
+    // Singular resource field also supports 'textfield' editor, unlike the array variant.
+    editor?: CommonResourceFieldDefinition<string>['editor'] | 'textfield';
 }
 
 export type ResourceArrayFieldDefinition = AnyResourceFieldDefinition<string[]> & {