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io.github.physics-star-cat/databutler-calendar

io.github.physics-star-cat/databutler-calendar · v1.0.0

Measured by MCP Station

Last check	Reachable
Checked at	—
Check success 7 / 30 days	—
First-try success 30 days	—
Median response	—
Lookups 30 days	—
Authentication	No auth
MCP version	2025-06-18
Rank score	—
Declared risk	Read-only (all tools declare readOnlyHint)
Capabilities declared	tools
Tool definitions	2 tools · with description 100% · input schema is an object 100% · read/destructive hints 100%

Public holidays (UK, US, DE, FR), tax-year dates and DST switches for 2026-2028.

streamable-http · https://databutler.dev/api/mcp/calendar

claude mcp add --transport http databutler-calendar https://databutler.dev/api/mcp/calendar

{
  "mcpServers": {
    "databutler-calendar": {
      "url": "https://databutler.dev/api/mcp/calendar"
    }
  }
}

calendar_facts
Public holidays, tax-year dates or daylight-saving switches for one country in 2026–2028, from the official lists and statutes. kind=holidays (uk, us, de, fr): every public holiday of the year with its date and weekday, by region — UK nations (england-and-wales, scotland, northern-ireland; substitut
next_holiday
The next public holiday strictly after a date (default: today) for uk, us, de, fr, with its name, date, weekday and days until it, the three that follow, and any holiday falling on the date itself; by region as for calendar_facts (UK nations, US federal with OPM's observed date deciding the order, G

Repository · Website · JSON · Text for agents · Registry updated 2026-10-04