Privacy Policy

Last Updated: January 2026

Introduction

Mental Model Extractor ("we", "our", or "the extension") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, and safeguard your information when you use our Chrome extension.

Information We Collect

Account Information

• Email address: Collected via Google OAuth sign-in for account authentication
• Google profile information: Name and profile picture from your Google account

User-Generated Content

• Mental models: The mental model prompts you create, edit, and save
• Execution history: Records of when you apply mental models to content
• Chat sessions: Brainstorming and advisor chat conversations

Usage Data

• API usage metrics: Token counts and request types for monitoring service usage
• Subscription status: Payment and subscription information managed through Stripe

Technical Data

• Browser data: We use Chrome's storage APIs to cache session data locally

How We Use Your Information

• Provide the Service: Store and sync your mental models across devices
• Process Payments: Manage subscriptions through Stripe
• Improve the Service: Analyze usage patterns to enhance features
• Customer Support: Respond to your inquiries and troubleshoot issues

Third-Party Services

Supabase

• Provides authentication and database services
• Stores your account data and mental models
• Privacy Policy: https://supabase.com/privacy

Stripe

• Processes subscription payments
• Stores payment information securely
• Privacy Policy: https://stripe.com/privacy

Anthropic (Claude API)

• Processes AI requests for mental model analysis
• Content sent to Claude is processed according to Anthropic's policies
• Privacy Policy: https://www.anthropic.com/privacy

Data Storage and Security

• All data is encrypted in transit using TLS/SSL
• User data is stored in Supabase's secure cloud infrastructure
• We do not store your payment card details - this is handled by Stripe
• Authentication uses industry-standard OAuth 2.0

Data Retention

• Account data: Retained as long as your account is active
• Mental models and executions: Retained until you delete them or close your account
• Usage logs: Retained for 90 days for analytics purposes

Your Rights

You have the right to:

• Access: Request a copy of your personal data
• Delete: Request deletion of your account and data
• Export: Download your mental models and history
• Correct: Update your account information

To exercise these rights, contact us at linauskas.matas@gmail.com

Data Deletion

To delete your data:

• Sign out of the extension
• Contact us to request account deletion
• We will delete all associated data within 30 days

Children's Privacy

The extension is not intended for users under 13 years of age. We do not knowingly collect information from children.

Changes to This Policy

We may update this Privacy Policy periodically. We will notify you of significant changes via email or through the extension.

Contact Us

If you have questions about this Privacy Policy, contact us at:

• Email: linauskas.matas@gmail.com

Chrome Web Store Compliance

This extension complies with the Chrome Web Store Developer Program Policies. We only request permissions necessary for the extension's functionality:

• activeTab: To extract conversations from the current page
• storage: To store your preferences and cached data locally
• clipboardWrite: To copy AI responses to your clipboard
• scripting: To enable text selection features on web pages
• sidePanel: To display the extension's main interface
• identity: To authenticate with Google OAuth
• host_permissions: To enable text selection and conversation extraction on any website