Postio — UK Address, Postcode, Email & Phone Validation for LangChain
uk.co.postio/postcode-address-validation
Validate UK addresses, postcodes, emails and phone numbers — Royal Mail PAF, live SMTP and HLR.
client:LangChain
transport:stdio
runtime:npm
Install Postio — UK Address, Postcode, Email & Phone Validation in LangChain
pip install langchain-mcp-adapters
from langchain_mcp_adapters.client import MultiServerMCPClient
client = MultiServerMCPClient({
"postcode-address-validation": {
"transport": "stdio",
"command": "npx",
"args": ["-y", "@postio/mcp"],
}
})
tools = await client.get_tools()
get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs