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LangChain

FiscalAPI for LangChain

io.github.fiscalapi-br/fiscalapi-mcp

IE (27 UFs), CNPJ, certidões e cópia para leitura do XML de NF-e pela chave, do Brasil.

client:LangChain transport:streamable-http tools:11

Install FiscalAPI in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "fiscalapi-mcp": {
            "transport": "streamable_http",
            "url": "https://mcp.fiscalapi.com.br/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

FiscalAPI in other clients