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Postio — UK Address, Postcode, Email & Phone Validation
uk.co.postio/postcode-address-validation
Validate UK addresses, postcodes, emails and phone numbers — Royal Mail PAF, live SMTP and HLR.
Install
Add the config to your client settings. Replace values in <angle brackets> with your own.
claude_desktop_config.json
{
"mcpServers": {
"postcode-address-validation": {
"command": "npx",
"args": [
"-y",
"@postio/mcp@0.1.4"
],
"env": {
"POSTIO_API_KEY": "<POSTIO_API_KEY>",
"POSTIO_BASE_URL": "<POSTIO_BASE_URL>"
}
}
}
}Details
- Name
- uk.co.postio/postcode-address-validation
- Version
- 0.1.4
- Updated
- Oct 12, 2026
- Source
- Official MCP Registry