postalref for LangChain
com.postalref/postalref
USPS package barcodes, service type codes and mailing terms, each cited to its USPS source.
client:LangChain
transport:streamable-http
tools:8
Install postalref in LangChain
pip install langchain-mcp-adapters
from langchain_mcp_adapters.client import MultiServerMCPClient
client = MultiServerMCPClient({
"postalref": {
"transport": "streamable_http",
"url": "https://postalref.com/mcp",
}
})
tools = await client.get_tools()
get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs