Nager Date
live DataNager.Date MCP — Public holiday and date utility API (free, no auth)
Tools
get_holidays Get all public holidays for a country and year. Returns holiday names, dates, and types (public, bank, school, etc.). Example: get_holidays(2025, "US").
No parameters required.
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is_today_holiday Check if today is a public holiday in a given country. Returns true/false. Example: is_today_holiday("US").
No parameters required.
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get_long_weekends Get long weekends (3+ consecutive days off) for a country and year. Shows which weekends can become long breaks, including whether a "bridge day" (vacation day) is needed. Great for trip planning. Exa
No parameters required.
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list_countries List all countries supported by the holiday API with their ISO country codes. Use these codes with get_holidays and other tools.
No parameters required.
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Test with curl
The gateway speaks JSON-RPC 2.0 over HTTP POST. You can test any pack directly from the terminal.
curl -X POST https://gateway.pipeworx.io/nager-date/mcp \
-H "Content-Type: application/json" \
-d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}' curl -X POST https://gateway.pipeworx.io/nager-date/mcp \
-H "Content-Type: application/json" \
-d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"get_holidays","arguments":{}}}'