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PromNET — Hungarian business calculators & legal checker for LangChain

hu.promnet/promnet

Hungarian VAT, payroll, KATA/flat-rate tax, late interest, workdays and website legal checks.

client:LangChain transport:streamable-http tools:8

Install PromNET — Hungarian business calculators & legal checker in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "promnet": {
            "transport": "streamable_http",
            "url": "https://promnet.hu/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

PromNET — Hungarian business calculators & legal checker in other clients