# Google Calendar (Google) (MCP Server)

> Google's official Calendar MCP server for events and scheduling

- Type: MCP server
- Publisher: Google (official)
- Categories: Productivity
- Website: https://developers.google.com/workspace/guides/configure-mcp-servers
- Transport: streamable-http
- Server URL: https://calendarmcp.googleapis.com/mcp/v1
- Sign-in: oauth
- Listed: 2026-04-01

## About

Google's managed Calendar MCP server gives AI agents access to Google Calendar data and actions. It is part of the Google Workspace Developer Preview Program and is configured with an OAuth 2.0 client in a Google Cloud project.

## Install

1. **Connect it in ChatGPT** Turn on Developer mode in ChatGPT (Settings → Security and login), open Plugins, select + and paste https://calendarmcp.googleapis.com/mcp/v1 as the MCP server URL, then sign in with OAuth. Add it to a chat from the composer's tools menu.

2. **Or add it to Codex or the API**

   Codex CLI:

   ```bash
   codex mcp add google-calendar --url https://calendarmcp.googleapis.com/mcp/v1
   codex mcp login google-calendar
   ```

   config.toml:

   ```toml
   [mcp_servers.google-calendar]
   url = "https://calendarmcp.googleapis.com/mcp/v1"
   ```

   Responses API:

   ```python
   import os
   from openai import OpenAI
   
   client = OpenAI()
   
   response = client.responses.create(
       model="gpt-6-astra",
       tools=[{
           "type": "mcp",
           "server_label": "google_calendar",
           "server_url": "https://calendarmcp.googleapis.com/mcp/v1",
           "authorization": os.environ["GOOGLE_CALENDAR_API_KEY"],
           "require_approval": "never",
       }],
       input="What meetings do I have tomorrow?",
   )
   print(response.output_text)
   ```

## Example prompts

- "What meetings do I have tomorrow?"
- "Find a free 30-minute slot on Thursday afternoon"
- "Create an event for the design review on Friday at 2pm"

## Also available as

- plugin: [Google Drive](https://chatgptplugins.directory/plugins/google-drive.md)

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Source: https://chatgptplugins.directory/mcp/google-calendar · Index: https://chatgptplugins.directory/llms.txt · Independent and community-run. Not affiliated with or endorsed by OpenAI. ChatGPT is a trademark of OpenAI.