AddCal

MCP server · by addcal

Productivity Streamable HTTP v1.0.1

Publish public calendars and events others subscribe to: RSVPs, feeds and add-to-calendar links.

View source ↗ Website ↗ Generate config for multiple servers More servers

Install

Pin version unavailable — hosted endpoints aren’t versioned

Streamable HTTP
https://addcal.co/mcp

Setup by client

Pick your client — the config below is generated for this server (hosted endpoint). Copy respects the “Pin version” switch above.

Remote (hosted) endpoint

https://addcal.co/mcp

Claude Desktop: Settings → Connectors → Add custom connector, paste this URL.

Format verified against the official Claude Desktop docs ↗.

terminal

claude mcp add --transport http addcal https://addcal.co/mcp

Format verified against the official Claude Code docs ↗.

.cursor/mcp.json (hosted endpoint)

{
  "mcpServers": {
    "addcal": {
      "url": "https://addcal.co/mcp"
    }
  }
}

Format verified against the official Cursor docs ↗.

.vscode/mcp.json (hosted endpoint)

{
  "servers": {
    "addcal": {
      "type": "http",
      "url": "https://addcal.co/mcp"
    }
  }
}

Format verified against the official VS Code docs ↗.

mcp_config.json (hosted endpoint)

{
  "mcpServers": {
    "addcal": {
      "serverUrl": "https://addcal.co/mcp"
    }
  }
}

Format verified against the official Windsurf docs ↗.

GitHub

⭐ 1 stars · 最近更新于 76 天前 · MIT license

About this server

AddCal MCP Server A remote Model Context Protocol server for AddCal. Connect Claude, ChatGPT, Cursor or any MCP client and manage the calendars other people subscribe to . No install, no API key. It is a hosted streamable HTTP server and authentication is OAuth. This is not a Google Calendar MCP Alm…

Summary from the project README — github.com/addcal/mcp

Distributed as Streamable HTTP, listed under Productivity. Review our MCP security guide before granting access to real data.

Frequently asked questions

What does the AddCal MCP server do?

How do I install AddCal?

Run the install command shown above, then paste the config for your client (Claude Desktop, Claude Code, Cursor, VS Code or Windsurf) into its MCP settings and restart the client.

Is AddCal free to use?

The MCP server itself is free to install. The source is public on https://github.com/addcal/mcp. Any third-party service it calls may require its own API key and account.

Which clients support AddCal?

Any MCP-compatible client can use it, including Claude Desktop, Claude Code, Cursor, VS Code, Windsurf and custom agents.

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