Count days between dates, add or subtract dates, and look up public holidays by country.
Connect Remote server
claude mcp add --transport http date-calculator-mcp https://mcp.onlinealarmkur.com/
{
"mcpServers": {
"date-calculator-mcp": {
"url": "https://mcp.onlinealarmkur.com/"
}
}
}
{
"servers": {
"date-calculator-mcp": {
"type": "http",
"url": "https://mcp.onlinealarmkur.com/"
}
}
}
Settings > Connectors > Add custom connector
URL: https://mcp.onlinealarmkur.com/
Tools 4 found in our last check
count_daysUse for any 'how many days between two dates' question: plain date difference, age or duration, or business days. By default, counts all calendar days, including the earlier date and excluding the later date. For business days, set excludeWeekdays, for example [0,6] for Saturday…
shift_dateUse for 'what date is N days, weeks, months or years before or after X', including business-day deadlines. Without exclusions, applies days, weeks, months, then years. With exclusions, all units become calendar days, and that many non-excluded days are counted: 1 month after 202…
get_holidaysUse to list a country's public holidays with their weekdays. Includes observed dates. Omit region for the national calendar only; regional holidays need region. endYear must not be before startYear, and the range holds at most 11 years, both years included. Returns the date, nam…
list_locationsUse to find a country code, the years that a holiday calendar covers, or the exact region codes of a country before you set region. It returns no holidays; get_holidays does that. Without country, returns a compact list of all supported countries: for each one its code, English…
Details
| Endpoint | https://mcp.onlinealarmkur.com/ (Streamable HTTP) |
| First published | 4 Nov 2026 |
| Last updated | 4 Nov 2026 |
| Registry name | com.onlinealarmkur/date-calculator-mcp |
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