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MIT v0.1.5 Google CalendarOAuth2Rust

Google Calendar MCP

@kembec/gcal-mcp · Model Context Protocol Server

Install

npm install -g @kembec/gcal-mcp

Create an OAuth client (Desktop app) in Google Cloud Console and download the JSON. Set GOOGLE_OAUTH_CREDENTIALS to its path.

Expose your Google Calendar to Claude, Cursor, or any MCP-compatible model through eleven tools covering every calendar operation. gcal-mcp handles the Google OAuth2 PKCE flow internally — you only need to provide the path to a downloaded OAuth client JSON from Google Cloud Console. Built in Rust, ships as a single static binary with no runtime dependencies. Tokens are cached locally and refreshed automatically.

npm GitHub ↓ 82/mo ★ 0 ⑂ 0

What you can do

  1. Ask Claude to schedule meetings and check free/busy windows

  2. List today's agenda or upcoming events in natural language

  3. Create, update, or delete events without leaving the chat

  4. Accept or decline meeting invitations through Claude

Requirements

  • Google Cloud Console project with the Google Calendar API enabled
  • OAuth 2.0 client credentials (Desktop app type) — download as JSON
  • Set GOOGLE_OAUTH_CREDENTIALS env var to the path of the downloaded JSON

Configuration

					{
  "mcpServers": {
    "gcal": {
      "command": "gcal-mcp",
      "env": {
        "GOOGLE_OAUTH_CREDENTIALS": "/path/to/client_secret.json"
      }
    }
  }
}
				
					[mcp_servers.gcal]
command = "npx"
args = ["-y", "@kembec/gcal-mcp"]
enabled = true

[mcp_servers.gcal.env]
GOOGLE_OAUTH_CREDENTIALS = "/path/to/client_secret.json"

Tools 11

list-calendars

List all calendars in the account

list-events

List events in a date range

search-events

Search events by keyword

get-event

Get details for a specific event

create-event

Create a new calendar event

update-event

Update an existing event

delete-event

Delete an event

respond-to-event

Accept, decline, or tentatively respond to an invite

get-freebusy

Query free/busy status for a time range

get-current-time

Get the current time in a given timezone

manage-accounts

Add or remove Google accounts