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LangChain

Kalvi — NFS-e e IBS/CBS for LangChain

io.github.marcogorrasi-hub/kalvi-nfse

Confere a NFS-e brasileira para IBS/CBS antes de transmitir. Sem cadastro e sem chave.

client:LangChain transport:streamable-http tools:3

Install Kalvi — NFS-e e IBS/CBS in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "kalvi-nfse": {
            "transport": "streamable_http",
            "url": "https://api.kalvi.com.br/v1/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

Kalvi — NFS-e e IBS/CBS in other clients