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SweKit - Swedish validators

MCP serverVerified domain · swekit-api.zenith-ops.workers.devRemote● LiveFree to try

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

Install

Remote server: your requests and data go to swekit-api.zenith-ops.workers.dev. Claude Code: claude mcp add --transport http swekit-swedish-validators https://swekit-api.zenith-ops.workers.dev/mcp · Claude app: Settings → Connectors → Add custom connector.

What it can do

The tools this server listed when we connected to it, in its own words.

  • validate_personnummer — Validate a Swedish personnummer or samordningsnummer (format, Luhn checksum, birth date, age, gender). Checks format only; does not prove th
  • 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 Ban
  • 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
  • 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".

KitScout test notes

Not tested by KitScout yet. When our harness runs it, pros, cons and the tasks we tried appear here, with the date and evidence.

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