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MCP endpoint :https://api.kinro.com/mcp · website · measurements and detailsPublic holidays for 100+ countries — by year, or the next ones coming up. Via Nager.Date.
MCP endpoint :https://invokera.com/r/public-holidays · website · measurements and detailsJapanese era year band
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/japanese-ok/mcp · website · measurements and detailsFree, keyless public holidays lookup for any country and year, plus single-date holiday checks.
MCP endpoint :https://ads.getlulu.dev/holidays/mcp · website · measurements and detailsPublic holidays, business days and long weekends for Japan (Cabinet Office) and 245 other countries.
MCP endpoint :https://holiday.omikuji.dev/mcp · website · measurements and detailsJapanese holiday and business-day calculations using official Japan Cabinet Office data.
MCP endpoint :https://jp-calendar.plugrail.dev/mcp · website · measurements and detailsJapanese era year band
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/jpn-era/mcp · website · measurements and detailsU.S. federal holidays with observed dates and business-day math. Example from an open-source kit.
MCP endpoint :https://starter.modernmustardseed.com/holidays · website · measurements and detailsPublic holidays (UK, US, DE, FR), tax-year dates and DST switches for 2026-2028.
MCP endpoint :https://databutler.dev/api/mcp/calendar · website · measurements and detailsEnrico (kayaposoft) holiday API: public holidays by country and year.
Package npm :enrico-mcp · website · measurements and detailsGovernment and OpenHolidays calendars: regional scope, multilingual names, dated sources and gaps.
MCP endpoint :https://datoqa.bhazarstudio.workers.dev/mcp/holidays · website · measurements and detailsPublic holiday data for 30+ countries. Check holidays, working days and calendars via AI assistants.
MCP endpoint :https://inday.co/api/mcp · measurements and detailsNonlinear Calendar: this year’s months fold onto the previous 12 years. No key to try.
MCP endpoint :https://balance-engine.vercel.app/api/mcp · website · measurements and detailsJapanese holidays, business days, eras, postal codes, addresses and corporate numbers.
MCP endpoint :https://biz.ossalt.jp/mcp · measurements and details30 tools for Japanese data: address, furigana, transit, Diet, holidays, weather, corporate registry
Package npm :@mameta/japan-data-mcp · website · measurements and detailsChina holidays and lunar calendar lookup, solar-to-lunar conversion and yearly schedule.
MCP endpoint :https://mcp.pianam.cn/calendar-mcp/mcp · website · measurements and detailsUTC ISO week-yearing year
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/iso-year/mcp · website · measurements and detailsNager.Date Public Holidays MCP.
MCP endpoint :https://gateway.pipeworx.io/nager-holidays/mcp · website · measurements and detailsUTC year
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/year-utc/mcp · website · measurements and detailsMCP server for Japanese business days, holidays, and fiscal-period calculations.
Package npm :mcp-jp-calendar · website · measurements and detailsAI agents: all of this is available without keys over MCP https://faceabot.com/api/mcp · HTTP https://faceabot.com/api/catalog?q=… · Guide : llms.txt
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