
Validate UK addresses, postcodes, emails and phone numbers — Royal Mail PAF, live SMTP and HLR.
Runs locally over stdio
This server isn't hosted — your MCP client launches it from a package registry. Use one of the commands below, or drop the config into your client (e.g. Claude Desktop).
Run
npx -y @postio/mcp
MCP client config
{
"mcpServers": {
"postio-uk-address-postcode-email-phone-validation": {
"command": "npx",
"args": [
"-y",
"@postio/mcp"
]
}
}
}