All servers · Payments & accounting

SweKit - Swedish validators

dev.workers.zenith-ops.swekit-api/swekit · v0.1.0

Measured by MCP Station

Description written by the publisher, not verified

Swedish personnummer/orgnr/bankgiro/OCR validation, kontonummer to IBAN, bankdagar.

Connect

claude mcp add --transport http swekit https://swekit-api.zenith-ops.workers.dev/mcp

{
  "mcpServers": {
    "swekit": {
      "url": "https://swekit-api.zenith-ops.workers.dev/mcp"
    }
  }
}

Tools as reported by the server

• validate_personnummer
  Validate a Swedish personnummer or samordningsnummer (format, Luhn checksum, birth date, age, gender). Checks format only; does not prove the person exists.
• validate_orgnr
  Validate a Swedish organisationsnummer (or SE...01 VAT number); returns legal form hint and the derived Swedish VAT number.
• validate_bankgiro
  Validate and format a Swedish bankgiro number.
• validate_plusgiro
  Validate and format a Swedish plusgiro number.
• validate_ocr
  Validate a Swedish OCR payment reference (Luhn check digit, optional length digit).
• generate_ocr
  Generate a Swedish OCR reference (check digit, optional length digit) from a base number such as an invoice number.
• swedish_account_to_iban
  Validate a Swedish national bank account (clearing + account number, Bankgirot checksum rules) and convert it to IBAN using the official Bankinfrastruktur clearing table. Returns bank, BIC, account type, IBAN.
• validate_iban
  Validate any IBAN (ISO 13616 mod-97 + country length) and identify the bank for Swedish IBANs.
• lookup_clearing_number
  Look up bank name, BIC, IBAN id and account type for a Swedish clearing number.
• swedish_holidays
  List Swedish public holidays, eves and observances for a year (computed).
• swedish_date_info
  Weekday (sv/en), ISO week, holiday names and business-day status for a date. mode=bank treats midsommarafton, julafton and nyårsafton as non-business days.
• add_business_days
  Add (or subtract) business days to a date using Swedish holidays (e.g. payment due dates).
• count_business_days
  Count Swedish business days after "from" up to and including "to".

Website · JSON · Text for agents · Registry updated 2026-10-18