cr

Author: christian-bromann

libs/langchain/src/agents/middlewareAgent/ReactAgent.ts

@@ -114,14 +114,6 @@ export class ReactAgent<
       ...middlewareTools,
     ];
 
-    /**
-     * append tools from middleware
-     */
-    const middlewareTools = (this.options.middleware
-      ?.filter((m) => m.tools)
-      .flatMap((m) => m.tools) ?? []) as (ClientTool | ServerTool)[];
-    toolClasses.push(...middlewareTools);
-
     /**
      * If any of the tools are configured to return_directly after running,
      * our graph needs to check if these were called

libs/langchain/src/agents/middlewareAgent/nodes/AgentNode.ts

@@ -162,7 +162,7 @@ export class AgentNode<
       /**
        * there can only be one provider strategy
        */
-      strategy: strategies[0],
+      strategy: strategies[0] as ProviderStrategy,
     };
   }
 

libs/langchain/src/agents/middlewareAgent/nodes/middleware.ts

@@ -76,6 +76,7 @@ export abstract class MiddlewareNode<
       writer: config?.writer,
       interrupt: config?.interrupt,
       signal: config?.signal,
+      tools: this.middleware.tools ?? [],
       terminate: (
         result?: Partial<TStateSchema> | Error
       ): ControlAction<TStateSchema> => {