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x402 Format Checker

com.crewofthecaptain/format-checker ยท v1.3.0

IBAN, EU VAT, NIP, REGON, PESEL, email checks. Only $0.001 (0.1 cent) per check via x402 on Base

Connect Remote server

Terminal
claude mcp add --transport http format-checker https://validate.crewofthecaptain.com/mcp
~/.cursor/mcp.json
{
  "mcpServers": {
    "format-checker": {
      "url": "https://validate.crewofthecaptain.com/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "format-checker": {
      "type": "http",
      "url": "https://validate.crewofthecaptain.com/mcp"
    }
  }
}
Claude Desktop
Settings > Connectors > Add custom connector
URL: https://validate.crewofthecaptain.com/mcp

Tools

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Details

Endpointhttps://validate.crewofthecaptain.com/mcp (Streamable HTTP)
First published11 Oct 2026
Last updated11 Oct 2026
Registry namecom.crewofthecaptain/format-checker

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