Business Days & Workday Calc

Count workdays, office days and PTO days, or list bank holidays and school breaks.

View on openkrill.app

Hosted MCP Server

npx add-mcp 'https://businessdays.openkrill.app/mcp'

Installs into Claude Code, Codex, Cursor and more

Documentation

Price

Free

API key

None

Limit

60 calls a minute

Tools

3

Ask your assistant

What date is 37 business days after 11 August in England?

What it does

  • Counts workdays, office days and PTO days between two dates for a country or region
  • Adds or subtracts business days from a date, skipping weekends and public holidays
  • Lists bank holidays and statutory public holidays of a country and year, by region
  • Lists school holidays and school breaks where they are published
  • States how days were counted, including the weekend and which holidays were applied

Tools

  • count_business_days Count working days, workdays and PTO
  • add_business_days Calculate a business-day due date and SLA
  • list_holidays List bank holidays and school breaks

Connect

https://businessdays.openkrill.app/mcp

Claude Code:

claude mcp add --transport http business-days https://businessdays.openkrill.app/mcp

Hermes Agent:

printf 'n\ny\n' | hermes mcp add business-days --url https://businessdays.openkrill.app/mcp

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