Koskamo

Japan Business Day & Holiday Calculator MCP

An MCP server that provides deterministic, offline-safe access to Japan's official national holidays and business-day arithmetic. It exposes six tools for analyzing dates, counting business days, finding nearest business days, listing holidays, and listing business days, using data sourced from the Cabinet Office.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Japan Business Day & Holiday Calculator MCP logo, by atushi1841Community listingLocal stdioSource reviewed; not executedPublished by atushi1841
Vendor documentation

What you can do with it

  • Check if a date is a business day or national holiday
  • Count business days within a specific date range
  • Find the next or previous business day
  • List all national holidays for a given year

Source and maintenance

Community listingRegistry 0.1.0
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

https://github.com/atushi1841/japan-business-calendar-mcp/releases/download/v0.1.0/server.mcpb 0.1.0

mcpbSHA-256 supplied
https://github.com/atushi1841/japan-business-calendar-mcp/releases/download/v0.1.0/server.mcpb package definition
{
  "version": "0.1.0",
  "transport": "stdio",
  "fileSha256": "5f4530e009495e4de7c5f3d2c6119508e9dfbcaedaecd9a8df5e2f90d090203d",
  "identifier": "https://github.com/atushi1841/japan-business-calendar-mcp/releases/download/v0.1.0/server.mcpb",
  "registryType": "mcpb"
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Let your agent find its tools

Find servers like Japan Business Day & Holiday Calculator MCP from your agent. Add Koskamo once to search the index for endpoints, access requirements, and client setup. Public discovery needs no key.