ベストカレンダー 暦データ is answering right now. Last checked 1 min ago. It exposes 16 tools.
Japanese calendar data (rokuyo, lucky days, solar terms, holidays, moon, sunrise), 1926-2080.
Today is the operative word: we check ベストカレンダー 暦データ every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 1 min ago.
claude mcp add koyomi --transport http https://bestcalendar.jp/mcp
https://bestcalendar.jp/mcp
[mcp_servers.koyomi]
url = "https://bestcalendar.jp/mcp"
{
"mcpServers": {
"koyomi": {
"url": "https://bestcalendar.jp/mcp"
}
}
}
{
"servers": {
"koyomi": {
"type": "http",
"url": "https://bestcalendar.jp/mcp"
}
}
}
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
get_koyomi_day
get_koyomi_entity
get_moon_events
get_moon_phases
answer
check_business_day
convert_wareki_eto
count_days
find_dates
add_days
list_holidays
search_lucky_days
get_old_time
get_rokuyo_hours
get_solar_term_times
get_sun_moon_times
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://bestcalendar.jp/mcp | streamable-http | answering | 1545 ms | 1 min ago |
Date context for agents: Chinese lunar calendar, solar terms, holidays for 12 regions. Offline.
Japanese national holidays calendar.
Daily horoscopes (en/es/pt, 7 days ahead), moon phases, Panchang, solar terms, Maya, Ramadan dates.
Japanese business days, holiday checks and invoice due dates for your AI agent.
Chinese almanac: lunar calendar, BaZi 八字, daily 宜忌, lucky-day picker, public holidays.
Japanese holiday and business-day calculations using official Japan Cabinet Office data.
Daily horoscopes (de/en/es, 7 days ahead), moon phases, Panchang, solar terms, Maya calendar.
Japan data tools for AI agents: calendar (rokuyo), address, name splitting, corporate number lookup
Answers built from our own checks of this server.