Business Day Calendars MCP Server: Install & Setup

Install Business Day Calendars in Claude Code

Claude Code

claude mcp add --transport http business-day-calendars https://business-days.quietworklabs.workers.dev/mcp

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

{
  "mcpServers": {
    "business-day-calendars": {
      "url": "https://business-days.quietworklabs.workers.dev/mcp"
    }
  }
}

Frequently asked questions

What does the Business Day Calendars MCP server do?

NYSE, Federal Reserve, TARGET2 and UK business days, holidays and T+N settlement dates.

Is the Business Day Calendars 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 Business Day Calendars run locally or remotely?

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

How do I add Business Day Calendars to Claude Code?

Run: claude mcp add --transport http business-day-calendars https://business-days.quietworklabs.workers.dev/mcp

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