PlugRail Japanese Calendar

Name: PlugRail Japanese Calendar
Author: dev.plugrail

MCP serverMCP

Japanese holiday and business-day calculations using official Japan Cabinet Office data.

by dev.plugrailrepository ↗homepage ↗v0.2.0

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Evidence

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30-day availability110/110 checks ok

when	check	result	http	latency	detail
4 h ago	mcp initialize	ok	200	820 ms	server jp-calendar 0.2.0 · protocol 2025-06-18 · 4 tools
10 h ago	mcp initialize	ok	200	532 ms	server jp-calendar 0.2.0 · protocol 2025-06-18 · 4 tools
17 h ago	mcp initialize	ok	200	346 ms	server jp-calendar 0.2.0 · protocol 2025-06-18 · 4 tools
23 h ago	mcp initialize	ok	200	605 ms	server jp-calendar 0.2.0 · protocol 2025-06-18 · 4 tools
30 h ago	mcp initialize	ok	200	526 ms	server jp-calendar 0.2.0 · protocol 2025-06-18 · 4 tools
2 d ago	mcp initialize	ok	200	322 ms	server jp-calendar 0.2.0 · protocol 2025-06-18 · 4 tools
2 d ago	mcp initialize	ok	200	584 ms	server jp-calendar 0.2.0 · protocol 2025-06-18 · 4 tools
2 d ago	mcp initialize	ok	200	959 ms	server jp-calendar 0.2.0 · protocol 2025-06-18 · 4 tools
2 d ago	mcp initialize	ok	200	582 ms	server jp-calendar 0.2.0 · protocol 2025-06-18 · 4 tools
3 d ago	mcp initialize	ok	200	340 ms	server jp-calendar 0.2.0 · protocol 2025-06-18 · 4 tools

Tools observed via MCP handshake

is_holiday — 指定した日付が日本の祝日（国民の祝日・休日）かどうかを判定します。内閣府公表データに基づきます。入力例: {"date": "2026-01-01"}
list_holidays — 指定した年または期間の日本の祝日一覧を返します。入力例: {"year": 2026} または {"from": "2026-01-01", "to": "2026-06-30"}
add_business_days — 指定した日付(date)の翌日から数えてN営業日目(days)の日付を返します。dateの当日は数えません。daysが負の場合は過去方向（dateの前日から遡ってN営業日目）に計算します。土日・日本の祝日を除外し、calendar="banking"を指定すると銀行休業日（12/31〜1/3）も除外します。dateが営
business_days_between — from〜to間の営業日数を数えます。既定では「fromを含まず、toを含む」境界です（例:「今日から支払期日まで何営業日か」）。include_from/include_toで境界を変更できます。土日・日本の祝日を除外し、calendar="banking"を指定すると銀行休業日（12/31〜1/3）も除外します。f

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kind Official MCP Registry

name Official MCP Registry

repoUrl Official MCP Registry

summary Official MCP Registry

version Official MCP Registry

description Official MCP Registry

homepageUrl Official MCP Registry

publisherName Official MCP Registry

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Official MCP Registrydev.plugrail/jp-calendar

first seen 1 mo ago · fetched 22 h agoopen ↗

Field history (8 recent events)

22 h ago · declared · version → "0.2.0"
1 mo ago · declared · description → "Japanese holiday and business-day calculations using official Japan Cabinet Office data."
1 mo ago · declared · publisherName → "dev.plugrail"
1 mo ago · declared · homepageUrl → "https://plugrail.dev"
1 mo ago · declared · summary → "Japanese holiday and business-day calculations using official Japan Cabinet Office data."
1 mo ago · declared · version → "0.1.1"
1 mo ago · declared · protocols → ["mcp"]
1 mo ago · declared · repoUrl → "https://github.com/plugrail/servers"

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