Official MCP RegistryHosted servervalidate.crewofthecaptain.comv1.3.0
x402 Format Checker
IBAN, EU VAT, NIP, REGON, PESEL, email checks. Only $0.001 (0.1 cent) per check via x402 on Base
Connect to Claude Code
Copyclaude mcp add --transport http x402-format-checker https://validate.crewofthecaptain.com/mcpVendor-hosted remote server: nothing to install locally. If it uses OAuth, Claude opens the vendor login on first use.
Endpoints
- https://validate.crewofthecaptain.com/mcpstreamable-http
Published in the official MCP registry as “com.crewofthecaptain/format-checker”. Verified through the vendor namespace.