Skip to content
LangChain

Card Mailer for LangChain

me.onmax/card-mailer

Print and mail 5x7 holiday and thank-you photo cards to a US address list. $2.49/card incl. postage.

client:LangChain transport:streamable-http tools:6

Install Card Mailer in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "card-mailer": {
            "transport": "streamable_http",
            "url": "https://cards.onmax.me/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

Card Mailer in other clients