# Rira365 Japan Business Day MCP server

Source: https://glimind.com/server/mcp-registry%2Fio.github.rira365%2Fjapan-business-day
Registry id: `mcp-registry/io.github.rira365/japan-business-day`
Status: live (checked 2026-10-27T10:00:51.333Z)

## Measurements (30 days)

- Uptime: 99.93%
- Checks: 4983
- Outages (90 days): 3

## Install

```json
{
  "mcpServers": {
    "rira365-japan-business-day-mcp-server": {
      "type": "http",
      "url": "https://japan-business-day-api.matchan962.workers.dev/mcp"
    }
  }
}
```

Claude Code:

```sh
claude mcp add --transport http rira365-japan-business-day-mcp-server https://japan-business-day-api.matchan962.workers.dev/mcp
```

## Tools (11)

- `add_business_days`: Add or subtract N Japanese business days from a date (settlement T+N, delivery ETA). Price: $0.01 USDC via x402.
- `bank_value_date`: When will a Japanese bank transfer be credited? Returns the value date under standard processing (same day before the cutoff, default 15:00 JST, on a bank busin
- `find_lucky_days_japan`: Find auspicious Japanese dates: days in a range matching rokuyo (e.g. taian) and optional weekdays (e.g. sat,sun) for weddings, moving, contracts. Price: $0.01 
- `is_business_day`: 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: $0.0
- `is_business_day_free`: 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 3
- `japanese_koyomi`: Japanese traditional calendar for a date: rokuyo (taian/butsumetsu lucky days), Reiwa era date, lunisolar date, 24 solar terms. Price: $0.005 USDC via x402.
- `jpx_record_date`: Japanese stocks: last cum-rights trading day and ex-rights date for a dividend/benefit record date (T+2 settlement, holiday-aware). Price: $0.01 USDC via x402.
- `jpx_sq_date`: Nikkei 225 futures/options SQ day and last trading day for a contract month (2nd Friday, moved earlier on holidays). Price: $0.01 USDC via x402.
- `jpx_trading_day`: Is the Tokyo Stock Exchange (JPX) open on a date? Next/previous trading day, first/last trading day of the year. Price: $0.005 USDC via x402.
- `list_holidays`: List Japanese national holidays for a year with JA/EN names. Price: $0.01 USDC via x402.
- `payment_due_date`: 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/holida

Measured by Glimind (https://glimind.com): MCP handshake + tool list only, no tool is ever called. CC BY 4.0.