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Dados B3 for LangChain

io.github.val7h/dados-b3

Brazilian stock (B3) fundamentals: ratios, dividends, scores, REITs (FIIs), ETFs. Open methodology.

client:LangChain transport:streamable-http runtime:oci tools:20

Install Dados B3 in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "dados-b3": {
            "transport": "streamable_http",
            "url": "https://dadosb3.com/mcp/",
        }
})

tools = await client.get_tools()

get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs

What LangChain can do once it is connected

Dados B3 in other clients