Privacy Policy
Last updated: January 27, 2026
Information We Collect
1.1 Information You Provide
Account Information
Email address and optional name when you create an account.
Style Packs
Custom style packs and brand rules you create and store.
Payment Information
Stripe collects payment details. We never store your card number.
1.2 Information Collected Automatically
- API Usage Data: Endpoints called, request counts, response times, error rates
- Device Information: Browser type, operating system, IP address
- Cookies: Session management and authentication tokens
How We Use Your Information
Data Retention
Account Data
Retained while active. Deleted within 30 days of account deletion.
Validation Content
Processed in real-time and immediately discarded. Not stored.
Usage Logs
Aggregated analytics retained indefinitely. Individual logs for 90 days.
Billing Records
Retained for 7 years for tax and accounting purposes.
Your Rights and Choices
5.1 GDPR Rights (EEA/UK)
If you're in the EEA or UK, you have additional rights including objection to processing, restriction of processing, data portability, and the right to lodge a complaint with your local data protection authority.
5.2 CCPA Rights (California)
California residents have the right to know what personal information we collect, request deletion, and opt out of sales (we do not sell your data).
Data Security
Open Source
The core StyleMCP validation engine is open source under the MIT license. You can review the code, self-host, or contribute at github.com/3DUNLMTD/stylemcp. This transparency allows you to verify exactly how your data is processed.
International Transfers
Your information may be transferred to and processed in countries other than your own, including the United States. For EEA/UK users, we use Standard Contractual Clauses to ensure appropriate safeguards.
Children's Privacy
Our Service is not intended for children under 16. We do not knowingly collect personal information from children under 16. If we learn we have collected such information, we will delete it promptly.
Changes to This Policy
We may update this Privacy Policy from time to time. We'll notify you of material changes by posting the new policy here and updating the "Last updated" date. For significant changes, we'll also send email notification.
Contact Us
Questions about this Privacy Policy or our data practices?
Privacy Inquiries
[email protected]
General Inquiries
[email protected]