1. Acceptance of Terms

By accessing or using BIM Engine ("Service"), you agree to be bound by these Terms of Service ("Terms"). If you disagree with any part of these terms, you may not access the Service.

2. Description of Service

BIM Engine is a software platform that provides:
- Natural language interface for Autodesk Revit automation
- AI-powered code generation for BIM workflows
- Model Context Protocol (MCP) integration
- Real-time collaboration features
- Automated BIM task execution

3. License Grant

3.1 Software License
Subject to your compliance with these Terms, we grant you a limited, non-exclusive, non-transferable, revocable license to use BIM Engine in accordance with these Terms.

3.2 Open Source Components
BIM Engine includes open source software components licensed under MIT and other open source licenses. These components are subject to their respective license terms.

4. User Accounts

4.1 Account Creation
- You must provide accurate and complete registration information
- You are responsible for maintaining the security of your account
- You must notify us immediately of any unauthorized account use
- One person or legal entity may maintain only one account

4.2 Account Security
- You are responsible for all activities under your account
- Keep your authentication credentials confidential
- We are not liable for any loss from unauthorized account access

5. Acceptable Use Policy

5.1 Permitted Use
You may use BIM Engine to:
- Automate Revit workflows
- Generate and execute BIM-related code
- Collaborate with team members
- Create and share automation templates

5.2 Prohibited Use
You may NOT:
- Use the Service for illegal purposes
- Attempt to bypass security measures
- Reverse engineer the Service
- Use the Service to damage or corrupt data
- Resell or redistribute the Service without authorization
- Use the Service to violate Autodesk's terms of service
- Generate malicious code or scripts
- Overload or attempt to disrupt the Service

6. Content and Data

6.1 User Content
- You retain ownership of content you create using the Service
- You grant us a license to process your content solely to provide the Service
- You are responsible for ensuring you have rights to any content you upload

6.2 Generated Code
- Code generated by the AI remains your property
- You are responsible for reviewing and testing generated code
- We are not liable for any issues arising from generated code execution

6.3 Model Data
- Your Revit model data is processed locally on your machine
- We do not store or have access to your model data
- Model state is read temporarily for code generation purposes only

7. Privacy and Data Protection

7.1 Data Collection
Our data practices are governed by our Privacy Policy. Key points:
- We collect only anonymous usage telemetry (opt-in)
- No personal information is collected
- No project data or generated code is transmitted to our servers

7.2 Data Security
- All communications are encrypted using TLS 1.3
- Local data is processed in sandboxed environments
- Session tokens expire after inactivity

8. Integrations

8.1 Autodesk Revit
- Requires valid Autodesk Revit 2026 license
- You must comply with Autodesk's terms of service
- We are not affiliated with or endorsed by Autodesk

8.2 Third-Party Services
- Google OAuth for authentication
- Anthropic Claude AI for code generation
- You must comply with third-party service terms

9. Intellectual Property

9.1 Our Property
BIM Engine and its original content, features, and functionality are owned by us and are protected by international copyright, trademark, and other intellectual property laws.

9.2 Feedback
Any feedback you provide may be used by us without obligation to you.

10. Disclaimers

10.1 "As Is" Service
THE SERVICE IS PROVIDED "AS IS" WITHOUT WARRANTIES OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.

10.2 No Professional Advice
The Service does not constitute professional engineering, architectural, or construction advice. Always verify outputs with qualified professionals.

10.3 Revit Compatibility
We do not guarantee compatibility with all Revit configurations or future versions.

11. Limitation of Liability

TO THE MAXIMUM EXTENT PERMITTED BY LAW, WE SHALL NOT BE LIABLE FOR:
- Indirect, incidental, special, or consequential damages
- Loss of profits, data, or business opportunities
- Damages exceeding the amount paid for the Service in the past 12 months

12. Indemnification

You agree to indemnify and hold us harmless from any claims arising from:
- Your use of the Service
- Your violation of these Terms
- Your violation of any third-party rights
- Content you create or process using the Service

13. Termination

13.1 Termination by You
You may stop using the Service at any time.

13.2 Termination by Us
We may suspend or terminate your access for:
- Violation of these Terms
- Extended inactivity
- Legal requirements

13.3 Effect of Termination
Upon termination:
- Your license to use the Service ends
- You must cease all use of the Service
- Provisions that should survive will remain in effect

14. Modifications

14.1 Ter
We may modify these Terms at any time. We will notify you of material changes through the application or email.

14.2 Service Updates
We may update, modify, or discontinue features without prior notice.

15. General Provisions

15.1 Governing Law
These Terms are governed by the laws of California, USA, without regard to conflict of law principles.

15.2 Dispute Resolution
Any disputes shall be resolved through binding arbitration in accordance with JAMS Streamlined Arbitration Rules.

15.3 Severability
If any provision is found unenforceable, the remaining provisions will continue in effect.

15.4 Entire Agreement
These Terms constitute the entire agreement between you and us regarding the Service.

15.5 Assignment
You may not assign these Terms without our written consent.

15.6 Waiver
No waiver of any term shall be deemed a further waiver.

16. Export Compliance

You agree to comply with all applicable export and re-export control laws and regulations.

17. Contact Information

For questions about these Terms, contact us at:
- Email: team@bimengine.ai
- Address: 454 Natoma St, San Francisco, CA 94103
- Website: https://bimengine.ai

18. Special Provisions for Enterprise Users

Enterprise agreements may modify these standard Terms. Contact team@bimengine.ai for enterprise licensing.

19. Beta Features

Features marked as "Beta" are provided as-is and may be discontinued without notice.

20. Acknowledgment

BY USING BIM ENGINE, YOU ACKNOWLEDGE THAT YOU HAVE READ THESE TERMS OF SERVICE, UNDERSTAND THEM, AND AGREE TO BE BOUND BY THEM.