Turkish IBAN, Tax Number & National ID Validation

Reliability

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How to connect

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "turkish-iban-tax-number-national-id-validation": {
      "type": "http",
      "url": "https://foster-mcp.esakiz.workers.dev/validate/mcp"
    }
  }
}

3 tools

• validate_iban

  Validates a Turkish (TR) IBAN: 26 characters, structure, reserved digit and ISO 13616 mod-97 checksum. Returns the normalized and grouped form, the 5-digit bank code and the account number part. Format and checksum only: a valid result does not prove the number is registered or…

• validate_tax_number

  Validates the check digit of a 10-digit Turkish tax identification number (Vergi Kimlik Numarası, VKN) used by companies. Format and checksum only: a valid result does not prove the number is registered or belongs to anyone. Inputs are not stored or logged.

• validate_national_id

  Validates the check digits of an 11-digit Turkish national identity number (T.C. Kimlik Numarası, TCKN), which individuals also use as their tax number. The number is personal data: it is not echoed back. It does not confirm the person exists. Format and checksum only: a valid…

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