PlugRail Japanese Calendar MCP Server: Install & Setup

Install PlugRail Japanese Calendar in Claude Code

Claude Code

claude mcp add --transport http plugrail-japanese-calendar https://jp-calendar.plugrail.dev/mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "plugrail-japanese-calendar": {
      "url": "https://jp-calendar.plugrail.dev/mcp"
    }
  }
}

Frequently asked questions

What does the PlugRail Japanese Calendar MCP server do?

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

Is the PlugRail Japanese Calendar MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does PlugRail Japanese Calendar run locally or remotely?

Remote. Hosted by the provider. You connect with a URL, nothing to install.

How do I add PlugRail Japanese Calendar to Claude Code?

Run: claude mcp add --transport http plugrail-japanese-calendar https://jp-calendar.plugrail.dev/mcp

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