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This guide shows you how to configure the Google Calendar connector for WRITER Agent. After setting up this connector, WRITER Agent can perform operations like reading calendar events, creating new events, updating existing events, and managing calendar schedules.

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Set up the Google Calendar connector

Configure the Google Calendar connector in AI Studio under Connectors & Tools. The Google Calendar connector supports two authentication options:
  • WRITER-managed OAuth (recommended): Writer provides the OAuth application. No setup required - just authorize access to your Google Calendar.
  • Organization-managed OAuth: Create your own Google OAuth application for custom branding and control.
Most users should choose WRITER-managed OAuth for faster setup. Only use organization-managed OAuth if you need custom branding or have specific security requirements.
Google OAuth credentials expire after 6 months of inactivity. If the Google Calendar connector is not used for 6 months, users will need to re-authenticate.

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Create a Google OAuth application (organization-managed only)

If you choose to create a self-managed OAuth application to connect, first create a new Google OAuth application in the Google Cloud Console:
  1. Navigate to the Google Cloud Console
  2. Create a new project or select an existing project
  3. Enable the Google Calendar API for your project
  4. Configure the OAuth consent screen with your application details
  5. Create OAuth 2.0 credentials (Web application type)
  6. Add the Writer redirect URI to authorized redirect URIs: 
    https://app.writer.com/mcp/oauth/callback
  7. Configure the required OAuth scopes for your application
  8. Copy the client ID and client secret for use in AI Studio
For detailed instructions, see Google’s OAuth 2.0 documentation.

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Required OAuth scopes

  • https://www.googleapis.com/auth/calendar - Full access to calendars
  • https://www.googleapis.com/auth/calendar.events - Manage calendar events
OAuth scopes are fixed per connector and cannot be customized based on enabled tools. When users authorize the Google Calendar connector, they will grant all the scopes listed above, even if you disable certain tools in AI Studio.

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Configure the connector in AI Studio

  1. Navigate to Connectors & Tools in AI Studio
  2. Select the Google Calendar connector
  3. Select who has access by default (all users or specific teams)
  4. Select the connection type:
    • Level: User level (each user authenticates their own account) or org level (shared connection to a single account)
    • Managed by: WRITER-managed or self-managed (your own OAuth app)
  5. Select which tools to enable for your agents
  6. Enter your OAuth client ID and client secret (if using self-managed OAuth)
  7. Complete the OAuth authorization flow

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Next steps