Categories › Knowledge & Everyday › Government & public data
Public holidays, business days and long weekends for about 250 countries, in each local time zone.
Remote server: your requests and data go to holiday.omikuji.dev. Claude Code: claude mcp add --transport http world-public-holidays https://holiday.omikuji.dev/mcp · Claude app: Settings → Connectors → Add custom connector.
The tools this server listed when we connected to it, in its own words.
check_dates — For each date, tell whether it is a public holiday in the country (with its name and status), a weekend, and a business day, including make-list_holidays — List a country's public holidays for a year, or between from and to (and make-up working days, if any). With no year or range, lists the nexbusiness_days — Count business days between start and end (inclusive), or find the date that is N business days after start (add=N; negative N goes backwardfind_long_weekends — Find long weekends: 3+ consecutive days off made of weekends and public holidays in the country (e.g. Japan's Golden Week, China's National Not tested by KitScout yet. When our harness runs it, pros, cons and the tasks we tried appear here, with the date and evidence.