# Copyright 2025 Google LLC # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. """ This agent aims to test the Langchain tool with Langchain's StructuredTool """ from google.adk.agents import Agent from google.adk.tools.langchain_tool import LangchainTool from langchain_core.tools.structured import StructuredTool from pydantic import BaseModel def add(x, y) -> int: return x + y class AddSchema(BaseModel): x: int y: int test_langchain_tool = StructuredTool.from_function( add, name="add", description="Adds two numbers", args_schema=AddSchema, ) root_agent = Agent( model="gemini-2.0-flash-001", name="test_app", description="A helpful assistant for user questions.", instruction=( "You are a helpful assistant for user questions, you have access to a" " tool that adds two numbers." ), tools=[LangchainTool(tool=test_langchain_tool)], )