Tools + MCP

LangChain

Wrap finance functions as typed tools or load them from an MCP server.

Connect finance tools to LangChain

1
Install the platform and required runtime
2
Create or choose a read-only finance tool
3
Add the configuration in the documented location
4
Restart, inspect available tools and run a test prompt

Starter configuration

Tools + MCP

from langchain.tools import tool

@tool
def get_financial_data(symbol: str) -> dict:
    """Return verified financial data for a ticker."""
    return fetch_from_source(symbol)

agent = create_agent(model, tools=[get_financial_data])

Security rules

Start with read-only tools. Never expose brokerage execution, unrestricted file access or secrets to an untrusted server.

Open official documentation