Postio — UK Address, Postcode, Email & Phone Validation

by postio.co.uk · uk.co.postio/postcode-address-validation

Validate UK addresses, postcodes, emails and phone numbers — Royal Mail PAF, live SMTP and HLR.

Runs on your machineLocal
WebsiteSource code
Category
Messaging and email
Connection
Local (npm)
Tools
Shown after install
Status
Runs on your computer

Connect it to your AI

Claude Code (npm)

claude mcp add postcode-address-validation -e POSTIO_API_KEY=… -- npx -y @postio/mcp@0.1.5

Needs: POSTIO_API_KEY

Cursor, VS Code and other apps (mcp.json)

{
  "mcpServers": {
    "postcode-address-validation": {
      "command": "npx",
      "args": [
        "-y",
        "@postio/mcp@0.1.5"
      ]
    }
  }
}

Questions

What is the Postio — UK Address, Postcode, Email & Phone Validation MCP server?

Validate UK addresses, postcodes, emails and phone numbers — Royal Mail PAF, live SMTP and HLR. It is made by postio.co.uk and listed in the official MCP Registry as uk.co.postio/postcode-address-validation. MCP (Model Context Protocol) is the open standard that lets AI apps like Claude, ChatGPT and Cursor use outside tools.

How do I add Postio — UK Address, Postcode, Email & Phone Validation to Claude?

In Claude Code, run: claude mcp add postcode-address-validation -e POSTIO_API_KEY=… -- npx -y @postio/mcp@0.1.5

How do I add Postio — UK Address, Postcode, Email & Phone Validation to ChatGPT?

ChatGPT only connects to remote MCP servers, and Postio — UK Address, Postcode, Email & Phone Validation runs on your own computer. Use it from Claude, Cursor or another app that runs local servers.

How do I add Postio — UK Address, Postcode, Email & Phone Validation to Cursor?

Open Cursor settings, go to MCP, choose "Add new MCP server" (or edit ~/.cursor/mcp.json) and add: { "mcpServers": { "postcode-address-validation": { "command": "npx", "args": [ "-y", "@postio/mcp@0.1.5" ] } } }

Does Postio — UK Address, Postcode, Email & Phone Validation work right now?

It runs on your own computer, so it works once you install it. There is no remote server for us to check.

Is this your server? Get the badge for your README
chen.media/mcp badge

Markdown (GitHub README)

[![Listed on chen.media/mcp](https://chen.media/mcp/badge/uk-co-postio-postcode-address-validation.svg)](https://chen.media/mcp/uk-co-postio-postcode-address-validation)

HTML (switches to dark mode on its own)

<a href="https://chen.media/mcp/uk-co-postio-postcode-address-validation"><picture><source media="(prefers-color-scheme: dark)" srcset="https://chen.media/mcp/badge/uk-co-postio-postcode-address-validation.svg?theme=dark"><img src="https://chen.media/mcp/badge/uk-co-postio-postcode-address-validation.svg" alt="Listed on chen.media/mcp" height="40"></picture></a>

More in Messaging and email

See all

Pickly

usepickly.com

Make group polls from a chat and check who's winning. Voters need no account.

TrendingMessaging and emailRemote2 tools

VerifyPulse: email deliverability checks

@MohDev212

Daily SPF, DKIM, DMARC and MX monitoring with webhook alerts, plus free sending-domain audits.

Messaging and emailRemote12 tools

Portaur

portaur.com

Ask Portaur about its services and leave a message or callback request for the team.

Messaging and emailRemote8 tools

Odile answering lines

odilelabs.com

A phone line for your app or business that answers calls, takes messages and bookings.

Messaging and emailRemote9 tools

disdex: Discord server search

disdex.io

Find public Discord servers by topic, language and size, check invite links, see member growth.

Messaging and emailRemote5 tools

Inkbind

onmax.me

Turn a story, memoir or recipes from the chat into a printed hardcover or softcover book.

Messaging and emailRemote4 tools