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Agent Tools

Business Days & Workday Calc

Count working days and public holidays for a country or region.

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_daysCount working days, workdays and PTO
  • add_business_daysCalculate a business-day due date and SLA
  • list_holidaysList 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

Go further

Full text for agents: business-days.md, llms.txt. Version 1.0.1, 2026-10-18.