MCP server

SweKit - Swedish validators

dev.workers.zenith-ops.swekit-api/swekit

Checked 25 Oct 2026, 20:29 UTC · Connected to it and listed its tools

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

Website

At a glance

Type

MCP server

Publisher

Not verified

Status

Working at last check

Tools

13

Token cost

About 1,210 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

25 Oct 2026, 20:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

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

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.swekit]
url = "https://swekit-api.zenith-ops.workers.dev/mcp"

Gemini CLI

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

Cursor

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

VS Code

{"servers":{"swekit":{"type":"http","url":"https://swekit-api.zenith-ops.workers.dev/mcp"}}}

Antigravity

agy mcp add swekit https://swekit-api.zenith-ops.workers.dev/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"swekit","server_url":"https://swekit-api.zenith-ops.workers.dev/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"swekit","server_url":"https://swekit-api.zenith-ops.workers.dev/mcp"}

Tools

• add_business_days ~116 tokens
  Add (or subtract) business days to a date using Swedish holidays (e.g. payment due dates).
• count_business_days ~106 tokens
  Count Swedish business days after "from" up to and including "to".
• generate_ocr ~107 tokens
  Generate a Swedish OCR reference (check digit, optional length digit) from a base number such as an invoice number.
• lookup_clearing_number ~80 tokens
  Look up bank name, BIC, IBAN id and account type for a Swedish clearing number.
• swedish_account_to_iban ~170 tokens
  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.
• swedish_date_info ~114 tokens
  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.
• swedish_holidays ~62 tokens
  List Swedish public holidays, eves and observances for a year (computed).
• validate_bankgiro ~62 tokens
  Validate and format a Swedish bankgiro number.
• validate_iban ~77 tokens
  Validate any IBAN (ISO 13616 mod-97 + country length) and identify the bank for Swedish IBANs.
• validate_ocr ~70 tokens
  Validate a Swedish OCR payment reference (Luhn check digit, optional length digit).
• validate_orgnr ~84 tokens
  Validate a Swedish organisationsnummer (or SE...01 VAT number); returns legal form hint and the derived Swedish VAT number.
• validate_personnummer ~100 tokens
  Validate a Swedish personnummer or samordningsnummer (format, Luhn checksum, birth date, age, gender). Checks format only; does not prove the person exists.
• validate_plusgiro ~62 tokens
  Validate and format a Swedish plusgiro number.

Browse

• OCR (text from images)
• Payments
• Invoicing and accounting
• Legal research

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