World Public Holidays

Connect Remote server

claude mcp add --transport http holiday https://holiday.omikuji.dev/mcp

{
  "mcpServers": {
    "holiday": {
      "url": "https://holiday.omikuji.dev/mcp"
    }
  }
}

{
  "servers": {
    "holiday": {
      "type": "http",
      "url": "https://holiday.omikuji.dev/mcp"
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://holiday.omikuji.dev/mcp

Tools 4 found in our last check

• 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-up working days such as China's 调休. Also returns today in that country's time zone. For Japan, the kind is also given: 祝日 (national holiday…

• 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 next 10 holidays from today in that country.

• business_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 backward; start itself is not counted). Uses the country's weekend days, public holidays and make-up working days. For Japan, set year_end_closed t…

• find_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 Day Golden Week). Give a year, or from (default today) to list upcoming ones.

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