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commerce validators for LangChain

org.scienceswarm/commerce-validators

Commerce validators: live EU VAT (VIES), EORI, email/MX lookups; IBAN/ABA/GTIN checksums; VAT rates.

client:LangChain transport:streamable-http tools:10

Install commerce validators in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "commerce-validators": {
            "transport": "streamable_http",
            "url": "https://mcp.scienceswarm.org/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

commerce validators in other clients