Phone Number Validation API
Validate international phone numbers for carrier, line type, country, and E.164 before storing them or sending SMS.
Overview
io.github.Br0ski777/phone-validation is an MCP server for the Ship phase that validates phone numbers worldwide and returns carrier, line type, country, and E.164 via remote SSE.
What is this MCP server?
- Worldwide phone number validation from agent workflows.
- Returns carrier, line type, country, and E.164 formatting.
- Remote SSE MCP at phone-validation.api.klymax402.com/mcp.
- x402 metered API, version 1.1.0.
- Source: phone-validation-x402 on GitHub.
- Server version 1.1.0 per published server.json.
- SSE remote: https://phone-validation.api.klymax402.com/mcp.
- x402 protocol; GitHub repo phone-validation-x402.
What problem does it solve?
Signup and SMS features break or get expensive when agents and users submit malformed, misformatted, or wrong-country phone numbers.
Who is it for?
Indie apps adding SMS OTP, onboarding phone fields, or telephony integrations who want agent-assisted validation checks.
Skip if: Enterprises needing guaranteed real-time numbering portability databases or fully offline validation with no third-party API.
What do I get? / Deliverables
Your agent can validate and normalize numbers to E.164 with carrier and line-type hints before you persist or message them.
- Validation result with E.164, country, carrier, and line type fields.
- Reusable agent step for signup and SMS integration reviews.
Recommended MCP Servers
Journey fit
How it compares
Phone validation MCP micro-API, not a telephony provider or SMS sending skill.
Common Questions / FAQ
Who is io.github.Br0ski777/phone-validation for?
Builders using MCP agents to implement or audit phone fields in SaaS signup, auth, and SMS workflows before launch.
When should I use io.github.Br0ski777/phone-validation?
Use it at Ship when you are validating user input, fixing E.164 storage, or reviewing whether a number is mobile vs landline before sending SMS.
How do I add io.github.Br0ski777/phone-validation to my agent?
Register https://phone-validation.api.klymax402.com/mcp as a remote SSE MCP server, set up x402 billing, and invoke validation tools with the raw phone number and optional country hint.