Openworkdays MCP Server: Install & Setup

Install Openworkdays in Claude Code

Claude Code

claude mcp add --transport http openworkdays https://openworkdays.vercel.app/api/mcp

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

{
  "mcpServers": {
    "openworkdays": {
      "url": "https://openworkdays.vercel.app/api/mcp"
    }
  }
}

Frequently asked questions

What does the Openworkdays MCP server do?

Zero-signup business-day date-math API: add days, count days between dates, is-business-day.

Is the Openworkdays 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 Openworkdays run locally or remotely?

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

How do I add Openworkdays to Claude Code?

Run: claude mcp add --transport http openworkdays https://openworkdays.vercel.app/api/mcp

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