Japan Business Day
Japan business days & holidays (official Cabinet Office data). Free tool + x402 USDC paid tools.
使うべきか
品質と安全性
ツール定義とプロトコルへの準拠に関する自動分析に基づいています。
コンテキストコスト
これは、サーバーのツールがモデルのコンテキストに読み込まれるたびに消費されるおおよそのトークン数です。数が多いほど、ほかのタスクに使える注意が減ります。
インストール
ワンクリックインストール
これを `claude_desktop_config.json` ファイルに追加してください:
{
"mcpServers": {
"japan-business-day": {
"url": "https://japan-business-day-api.matchan962.workers.dev/mcp"
}
}
}リモートエンドポイント
https://japan-business-day-api.matchan962.workers.dev/mcpstreamable-httpできること
ツール一覧
ツール（5）
🟢is_business_day_free(date, calendar)
FREE: check whether a date between today and 90 days ahead (JST) is a business day in Japan. Official Cabinet Office holiday data, supports bank calendar (Dec 31 - Jan 3). For other dates, business-day arithmetic or holiday lists use the paid tools.
入力スキーマ
{
"type": "object",
"properties": {
"date": {
"type": "string",
"description": "Date in YYYY-MM-DD. Supported range 1955-01-01..2027-12-31"
},
"calendar": {
"type": "string",
"enum": [
"national",
"bank"
],
"description": "national (default): weekends + national holidays. bank: also Dec 31 - Jan 3 bank holidays"
}
},
"required": [
"date"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢is_business_day(date, calendar)
Check whether a date is a business day in Japan (official Cabinet Office holiday data). Returns holiday name (JA/EN) and next/previous business day. Price: $0.005 USDC via x402.
入力スキーマ
{
"type": "object",
"properties": {
"date": {
"type": "string",
"description": "Date in YYYY-MM-DD. Supported range 1955-01-01..2027-12-31"
},
"calendar": {
"type": "string",
"enum": [
"national",
"bank"
],
"description": "national (default): weekends + national holidays. bank: also Dec 31 - Jan 3 bank holidays"
}
},
"required": [
"date"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟡add_business_days(date, days, calendar)
Add or subtract N Japanese business days from a date (settlement T+N, delivery ETA). Price: $0.01 USDC via x402.
入力スキーマ
{
"type": "object",
"properties": {
"date": {
"type": "string",
"description": "Date in YYYY-MM-DD. Supported range 1955-01-01..2027-12-31"
},
"days": {
"type": "integer",
"minimum": -366,
"maximum": 366
},
"calendar": {
"type": "string",
"enum": [
"national",
"bank"
],
"description": "national (default): weekends + national holidays. bank: also Dec 31 - Jan 3 bank holidays"
}
},
"required": [
"date",
"days"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}🟢list_holidays(year, calendar)
List Japanese national holidays for a year with JA/EN names. Price: $0.01 USDC via x402.
入力スキーマ
{
"type": "object",
"properties": {
"year": {
"type": "integer"
},
"calendar": {
"type": "string",
"enum": [
"national",
"bank"
],
"description": "national (default): weekends + national holidays. bank: also Dec 31 - Jan 3 bank holidays"
}
},
"required": [
"year"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}⚪payment_due_date(date, closing, monthOffset, payDay, adjust, ...)
Japanese payment terms (shimebi/shiharaibi) calculator, e.g. month-end close paid end of next month; shifts to the previous/next business day on weekends/holidays. Price: $0.01 USDC via x402.
入力スキーマ
{
"type": "object",
"properties": {
"date": {
"type": "string",
"description": "Transaction or invoice date (YYYY-MM-DD)"
},
"closing": {
"anyOf": [
{
"type": "integer",
"minimum": 1,
"maximum": 31
},
{
"type": "string",
"const": "end"
}
],
"description": "Closing day of month (1-31) or 'end'"
},
"monthOffset": {
"type": "integer",
"minimum": 0,
"maximum": 3,
"description": "Months after closing; default 1 (next month)"
},
"payDay": {
"anyOf": [
{
"$ref": "#/properties/closing/anyOf/0"
},
{
"$ref": "#/properties/closing/anyOf/1"
}
],
"description": "Payment day of month (1-31) or 'end'"
},
"adjust": {
"type": "string",
"enum": [
"previous",
"next",
"none"
],
"description": "Shift when not a business day; default previous"
},
"calendar": {
"type": "string",
"enum": [
"national",
"bank"
],
"description": "national (default): weekends + national holidays. bank: also Dec 31 - Jan 3 bank holidays"
}
},
"required": [
"date",
"closing",
"payDay"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}コミュニティ
エビデンス