Parse and validate postal addresses -- country detection, component split, postal code verification. US/UK/FR/DE. Pay-per-call via x402 (USDC on Base L2) -- no API key, no signup, no rate-limit wall.
Address Validator X402 is an MCP project maintained in the br0ski777/address-validator-x402 repository. The maintainer describes its purpose as “Parse and validate postal addresses -- country detection, component split, postal code verification. US/UK/FR/DE. Pay-per-call via x402 (USDC on Base L2) -- no API key…”. Read the project documentation for the complete scope.
The maintainer’s configuration uses https://address-validator.api.klymax402.com/mcp. Check the project’s account and authentication instructions when adding the endpoint to your client.
Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.
Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| address_validate | |
| address | string |
{
"mcpServers": {
"address-validator": {
"url": "https://address-validator.api.klymax402.com/mcp"
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
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