CheckDigit

Connect Remote server

claude mcp add --transport http checkdigit https://checkdigit.mike-tusa.workers.dev/mcp --header "Authorization: Bearer <YOUR_API_KEY>"

{
  "mcpServers": {
    "checkdigit": {
      "url": "https://checkdigit.mike-tusa.workers.dev/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}

{
  "servers": {
    "checkdigit": {
      "type": "http",
      "url": "https://checkdigit.mike-tusa.workers.dev/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://checkdigit.mike-tusa.workers.dev/mcp

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools 2 found in our last check

• validate_code

  Check the format and check digits of one identifier: IBAN (ISO 13616, per-country length and layout), BIC/SWIFT (ISO 9362 format and country), EU VAT number (offline checksum, VIES not queried), GTIN/EAN-8/UPC-A/EAN-13/GTIN-14 (GS1 mod 10) or ISBN-10/13. type "auto" (default) de…

• get_meta

  Return the service version and build, supported IBAN and VAT countries, GTIN formats, the disclaimer and the current limits. Does not count as a check. Read-only. Same data as GET /v1/meta.

Headers

Details

More developer tools servers See all

• AGILEX Docs

  Official AGILEX robotics product docs: manuals, CAN protocol, firmware, FAQ. Read-only.

• Echoo public catalog

  Read-only Echoo product facts, pricing, documentation and published writing skills.

• 99tests

  Order human-run real-device app tests from your coding agent; verified bugs return as fix prompts.

• LimitReceipts by aiw3b

  Find the AI coding/app-builder plan that fits your usage: limits, prices and plan-fit picks.

• Candor UI docs

  Candor UI docs and component suggestions. Read-only, no key, never serves paid source.

• MoneyTools Tools

  Call for a cheap read-only utility: 100+ tools; free daily tier; not charged on failure