MailStream for LangChain
app.mailstream/mailstream
The first MCP server for physical mail: send postcards and letters, manage lists and campaigns.
client:LangChain
transport:streamable-http
Install MailStream in LangChain
pip install langchain-mcp-adapters
from langchain_mcp_adapters.client import MultiServerMCPClient
client = MultiServerMCPClient({
"mailstream": {
"transport": "streamable_http",
"url": "https://my.mailstream.app/mcp",
}
})
tools = await client.get_tools()
get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs