Terms of Service

Last updated: June 20, 2026

Overview

LUMIS (“the application”) is a personal productivity tool that integrates with Google Workspace services. By using LUMIS, you agree to the following terms.

Use of the Application

LUMIS is provided for personal, non-commercial use. The application runs locally on your machine and connects to Google APIs on your behalf using OAuth 2.0 authentication.

Google API Access

By authorizing LUMIS to access your Google account, you grant the application permission to:

• Read, compose, and modify your Gmail messages, labels, and drafts (does not include permanent deletion)
• Read and create Google Calendar events

You may revoke this access at any time through your Google Account permissions page.

Data Handling

All data accessed through Google APIs is processed and stored locally. See the Privacy Policy for complete details.

No Warranty

LUMIS is provided “as is” without warranty of any kind, express or implied. The author is not liable for any damages arising from the use of this application.

Limitation of Liability

In no event shall the author be liable for any indirect, incidental, special, or consequential damages arising out of or in connection with the use of LUMIS.

Changes to These Terms

These terms may be updated to reflect changes in the application. The “last updated” date at the top of this page will be revised accordingly.

Contact

For questions about these terms, contact william.clifford.mit@gmail.com.