Question 1

What is an MCP Server?

Accepted Answer

MCP (Model Context Protocol) is an open protocol standardizing how applications provide context to LLMs. An MCP Server acts as a bridge, enabling AI models to access and interact with external data sources and tools, such as Google Calendar.

Question 2

What are the key features of the Google Calendar MCP Server?

Accepted Answer

The server allows LLMs to list available calendars, list events, create events, update events, delete events, and even process event information from screenshots and images.

Question 3

What are the prerequisites for using the Google Calendar MCP Server?

Accepted Answer

You'll need Node.js 16 or higher, TypeScript 5.3 or higher, a Google Cloud project with the Calendar API enabled, and OAuth 2.0 credentials.

Question 4

How do I install the Google Calendar MCP Server?

Accepted Answer

Clone the repository, install dependencies using `npm install`, build the TypeScript code with `npm run build`, and place your Google OAuth credentials in the root directory as `gcp-oauth.keys.json`.

Question 5

How does authentication work?

Accepted Answer

The server supports both automatic and manual authentication flows. Automatic authentication (recommended) uses credentials in `gcp-oauth.keys.json`. If tokens are missing, it starts an auth server to guide you through the OAuth flow. Manual authentication can be initiated using `npm run auth`.

Question 6

How do I use the Google Calendar MCP Server with Claude Desktop?

Accepted Answer

Add a configuration block to your Claude Desktop config file pointing to the `index.js` file in the `build` directory of the MCP server. Then, restart Claude Desktop.

Question 7

What are some example use cases?

Accepted Answer

You can add events from screenshots, check event attendance, auto-coordinate events based on availability, and provide your availability across multiple calendars.

Question 8

What if my OAuth token expires?

Accepted Answer

If your app is in testing mode, the OAuth token will expire after one week. You'll need to re-authenticate using the OAuth flow. For production use, you need to get your OAuth application verified by Google.

Question 9

How is security handled?

Accepted Answer

OAuth credentials are stored in `gcp-oauth.keys.json`. Authentication tokens are stored in `.gcp-saved-tokens.json` with restricted permissions. Tokens are automatically refreshed. Never commit OAuth credentials or token files to version control.

Question 10

Where can I find the Google Calendar MCP Server?

Accepted Answer

The Google Calendar MCP Server is available on the UBOS Asset Marketplace, a platform dedicated to providing tools and resources for AI Agent development.

Google Calendar Integration Server

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