Privacy Policy

Last updated: June 19, 2025

At Macuse, we respect your privacy and are committed to protecting your personal information. This Privacy Policy explains how we collect, use, and safeguard your data when you use our macOS application.

Information We Collect

Information You Provide

We collect information you provide directly to us:

  • License information when you purchase a premium license
  • Support communications when you contact us for help

Information Collected Automatically

When you use Macuse, we automatically collect certain information:

  • Authentication tokens (randomly generated 16-character strings stored locally)
  • Usage statistics (number of AI tool calls for free tier limits)
  • Application settings and preferences
  • Machine fingerprint (unique identifier for license validation)

macOS System Data (With Your Permission)

Macuse only accesses your macOS data when you explicitly grant permission:

  • Calendar events (when Calendar permission is granted)
  • Reminders (when Reminders permission is granted)
  • Notes content (when accessing Notes features)
  • Application interfaces (when Accessibility permission is granted)

Important: All your personal data stays on your device and is never transmitted to our servers.

How We Use Your Information

We use the information we collect to:

  • Provide core functionality of the MCP server and AI integrations
  • Authenticate AI clients connecting to your local Macuse instance
  • Enforce usage limits for free tier users (50 calls total)
  • Validate premium licenses
  • Provide customer support when you contact us

Information Sharing and Disclosure

We share information in limited circumstances:

License Validation

For premium users, we share your license key and machine fingerprint with our licensing service to validate your license.

No Personal Data Sharing

We never share your personal information including:

  • Calendar events or reminders
  • Notes content
  • Application interaction data
  • Any content processed through AI integrations

Data Security

We implement strong security measures to protect your information:

  • Local encryption using AES-256-GCM for all stored data
  • Secure key derivation using your machine’s unique fingerprint
  • HTTPS encryption for all network communications
  • Minimal data transmission limited to license validation only

Your Rights and Choices

You have control over your data:

Access and Control

  • All your data is stored locally on your device
  • You can view and manage settings through the Macuse application
  • You can revoke macOS permissions at any time through System Preferences

Data Deletion

  • Uninstall Macuse to remove all local data
  • Manage individual permissions through macOS Privacy settings
  • Contact us to delete any data we may have about you

Data Retention

  • Local data is stored until you delete the application
  • Usage counts are stored locally for free tier enforcement
  • License data is retained according to our licensing service’s policy

macOS Permissions

Macuse requires certain macOS permissions to function:

  • Accessibility - To interact with other applications
  • Calendar - To read and manage calendar events
  • Reminders - To access reminder lists and items
  • Full Disk Access - To read Notes app data

These permissions are requested only when needed and can be revoked at any time.

Changes to This Privacy Policy

We may update this Privacy Policy occasionally. When we do, we’ll update the “Last updated” date at the top of this page. We encourage you to review this Privacy Policy periodically to stay informed about how we’re protecting your information.

Contact Us

If you have questions about this Privacy Policy or our privacy practices, please contact us at:

Email: [email protected] Website: https://macuse.app

This Privacy Policy is effective as of the date listed above and applies to all users of Macuse.