Koskamo

mcp-jp-calendar

An MCP server that provides accurate calculations for Japanese business days, holidays, substitute holidays, fiscal quarters, and payment settlement dates (Gotobi) without requiring external API keys.

Package and access

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

mcp-jp-calendar logo, by skypier-jp-worksCommunity listingLocal stdioSource reviewed; not executedPublished by skypier-jp-works
Vendor documentation

What you can do with it

  • Check if a specific date is a business day in Japan
  • Determine the actual payment due date accounting for holidays
  • Identify the correct fiscal quarter for Japanese companies

Source and maintenance

Community listingRegistry 1.1.0
mcp-registry: io.github.skypier-jp-works/mcp-jp-calendar@1.1.0Source repository
Maintenance checked

Packages and installation

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

mcp-jp-calendar 1.1.0

npm
mcp-jp-calendar package definition
{
  "version": "1.1.0",
  "transport": "stdio",
  "identifier": "mcp-jp-calendar",
  "registryType": "npm"
}

Tools

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

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "mcp-jp-calendar": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-jp-calendar@1.1.0"
      ]
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "mcp-jp-calendar": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-jp-calendar@1.1.0"
      ]
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "mcp-jp-calendar": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "mcp-jp-calendar@1.1.0"
      ]
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "mcp-jp-calendar": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-jp-calendar@1.1.0"
      ]
    }
  }
}

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