CheckDigit MCP Server: Install & Setup

Install CheckDigit in Claude Code

Claude Code

claude mcp add --transport http checkdigit https://checkdigit.mike-tusa.workers.dev/mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "checkdigit": {
      "url": "https://checkdigit.mike-tusa.workers.dev/mcp"
    }
  }
}

Offline check-digit validation for IBAN, BIC, EU VAT, GTIN/EAN/UPC and ISBN. Format check only.

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Remote. Hosted by the provider. You connect with a URL, nothing to install.

Run: claude mcp add --transport http checkdigit https://checkdigit.mike-tusa.workers.dev/mcp

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