# Postio — UK Address, Postcode, Email & Phone Validation (slim)

> Postio — UK Address, Postcode, Email & Phone Validation, an MCP server by postio.co.uk, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. Validate UK addresses, postcodes, emails and phone numbers — Royal Mail PAF…

- Full: https://www.anchorterminal.com/tools/postio-postcode-address-validation.md (~500 tokens) · this version ~430 tokens · JSON https://www.anchorterminal.com/tools/postio-postcode-address-validation.json · canonical https://www.anchorterminal.com/tools/postio-postcode-address-validation
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-05

# Postio — UK Address, Postcode, Email & Phone Validation

> Indexed, not reviewed: facts from the official MCP registry and our own checks. No score, grade or rank, and not in the rankings until the panel reviews it. How the index works: https://www.anchorterminal.com/indexed/

- Kind: MCP server, by postio.co.uk (https://postio.co.uk/integrations/mcp)
- Category: Email delivery APIs (https://www.anchorterminal.com/categories/email.md)
- Listed because: It's published in the registry under postio.co.uk, a namespace the registry only gives to whoever proves they control that domain.
- What the official MCP registry says: Validate UK addresses, postcodes, emails and phone numbers — Royal Mail PAF, live SMTP and HLR.

## Facts

- MCP registry: `uk.co.postio/postcode-address-validation` 0.1.4
- Package: npm `@postio/mcp` (stdio)
- Source: https://github.com/postio-uk/postio-integrations
- Website: https://postio.co.uk/integrations/mcp
- npm downloads a week: 25
- GitHub stars: 0
- Registry entry updated: 2026-08-14

- JSON: https://www.anchorterminal.com/api/v1/tools/postio-postcode-address-validation.json
- Being indexed says nothing about quality, and nobody can pay for it. Ask for a review: https://www.anchorterminal.com/builders/#claiming