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Postio — UK Address, Postcode, Email & Phone Validation

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

uk.co.postio/postcode-address-validationSource repository
Version0.1.4latest catalog version
ConnectionPackagenpm
PublishedAug 14, 2026catalog
UpdatedAug 14, 2026catalog
Overview

What this server provides

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

Install

Packages

1
Package 1npm
@postio/mcp0.1.4
Runtime npxTransport stdio
  • POSTIO_API_KEY

    Postio API key (pk_…). Free key, first 100 lookups on us, no card: https://postio.co.uk/signup

    Format: string
    Required
  • POSTIO_BASE_URL

    Override the API base URL. Defaults to https://api.postio.co.uk. Only needed for staging.

    Format: string
    Optional
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