from langchain_agentphone import AgentPhoneToolkit
from langchain.chat_models import init_chat_model
from langgraph.prebuilt import create_react_agent
model = init_chat_model(model="claude-sonnet-4-6", model_provider="anthropic")
toolkit = AgentPhoneToolkit(
selected_tools=["send_sms", "list_numbers", "list_contacts"]
)
agent = create_react_agent(model, toolkit.get_tools())
response = agent.invoke({
"messages": [("user", "List my phone numbers, then send a message to +14155551234 saying 'Hello!'")]
})