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LangChain

MailSnail for LangChain

io.github.iancollins27/mailsnail

Send USPS letters & certified mail from any agent. Hosted: sign in, no install.

client:LangChain transport:streamable-http runtime:npm

Install MailSnail in LangChain

pip install langchain-mcp-adapters

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "mailsnail": {
            "transport": "streamable_http",
            "url": "https://api.mailsnail.dev/mcp",
        }
})

tools = await client.get_tools()

get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs

MailSnail in other clients