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Callendar

Official registry Other

WhatsApp® reminders and rescheduling for Calendly. Public read-only MCP endpoint.

Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http callendar 'https://app.callendar.de/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "callendar": {
            "type": "http",
            "url": "https://app.callendar.de/mcp"
        }
    }
}

Frequently asked questions

What is Callendar?

WhatsApp® reminders and rescheduling for Calendly. Public read-only MCP endpoint.

How do I install Callendar?

It runs as a remote server. In Claude Code: claude mcp add --transport http callendar 'https://app.callendar.de/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Callendar need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Who maintains Callendar?

It is published by co.callendar. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.