Privacy Policy

1. Information We Collect

Stackbilder collects the following information when you use our service:

• Account information (name, email address) via OAuth providers
• Authentication session data for access management
• Flow execution data (intentions, scaffold artifacts, governance output)
• Image generation data (prompts, quality tier selections)
• Usage metrics for service improvement

2. How We Use Your Information

We use collected information to:

• Provide and maintain the scaffolding and image generation services
• Authenticate and authorize access to your account
• Improve quality of generated artifacts and governance output
• Monitor service health and performance

3. Data Storage

Your data is stored on Cloudflare's global network using D1, KV, and R2 storage. Flow artifacts and generated images are associated with your account and are not shared with other users. Session tokens are managed via secure HTTP-only cookies.

4. Third-Party Services

Stackbilder uses the following third-party services:

• Cloudflare Workers AI (image generation — Draft and Standard tiers)
• Google Gemini API (image generation — Ultra and Ultra+ tiers)
• Cerebras API (optional LLM polish for Pro tier scaffolds)
• GitHub and Google (OAuth authentication)

Prompts and flow context may be sent to these providers as part of the generation process. No personal account information is shared with AI providers.

5. Your Rights

You can request deletion of your account and associated data by contacting us. Flow artifacts and generated images can be exported before deletion.

6. Contact

For privacy inquiries, contact us at admin@stackbilt.dev.