How do I install Holiday Calendar?

Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.

Is Holiday Calendar official?

No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.

This listing scores 52 (Fair). The formula is published on the methodology page.

Holiday Calendar MCP Server | MCPpedia

Name: Holiday Calendar MCP Server
Author: modernmustardseed

U.S. federal holidays with observed dates and business-day math. Example from an open-source kit.

52Fair

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "modernmustardseed-small-business-mcp-starter": {
      "url": "https://starter.modernmustardseed.com/holidays"
    }
  }
}

This server does not declare environment variables.

60Good

Token-auth Notion MCP: pages, databases, blocks, comments, files. Runs headless in CI and agents.

Registryawkoy177 stars3.3K/wk

59Fair

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