Generate Image Tool
Purpose
AI-powered image creation using OpenAI's advanced image models
Description
The Generate Image tool creates custom images based on text prompts using OpenAI's GPT-Image-1 model, with automatic cloud storage and URL generation for easy access.
Key Features
- Advanced AI Model: GPT-Image-1 for high-quality image generation
- Multiple Size Options: Square and rectangular formats
- Cloud Storage: Automatic Firebase Storage integration
- URL Generation: Direct download URLs for immediate access
- Usage Tracking: Automatic billing and usage monitoring
Parameters
- prompt (string): Detailed description of the image to generate
- size (enum, optional): Image dimensions - "1024x1024", "1536x1024", or "1024x1536"
Supported Sizes
- 1024x1024: Square format, ideal for avatars, logos, social media
- 1536x1024: Landscape format, great for banners, headers, wide visuals
- 1024x1536: Portrait format, perfect for mobile content, tall graphics
Image Specifications
- Format: PNG with transparency support
- Quality: High-resolution output optimized for web and print
- Color Space: Full RGB color support
- Base64 Generation: Secure image data handling
Storage & Access
- Cloud Storage: Firebase Storage with global CDN
- File Organization: Organized by organization and user hierarchy
- File Path:
organizations/{orgId}/AIChatImages/{userId}/{uuid}.png - Access Control: Secure download URLs with caching
- Cache Control: 24-hour public caching for performance
Cost Structure
- Per Image: Approximately 10 cents per generated image
- Token Equivalent: 10 tokens per image in usage tracking
- Billing Integration: Automatic usage recording for accurate billing
Technical Implementation
- AI Model: OpenAI GPT-Image-1 via secure API
- Image Processing: Base64 encoding with buffer conversion
- Storage Backend: Firebase Cloud Storage
- URL Generation: Secure download URL with Firebase SDK
- Error Handling: Comprehensive failure reporting and retry logic
Response Format
Returns success message with direct image URL:
Generated image URL: https://storage.googleapis.com/[bucket]/[path]
Use Cases
- Avatar Generation: Professional profile images for agents and users
- Marketing Materials: Custom graphics for presentations and reports
- Illustration: Visual content for documentation and articles
- Concept Visualization: Transform ideas into visual representations
- Brand Assets: Custom graphics matching brand guidelines
- Social Media: Engaging visuals for social media posts
- Prototyping: Visual mockups for design concepts
Best Practices
Prompt Writing
- Be specific and descriptive in image prompts
- Include style preferences (photorealistic, cartoon, minimalist)
- Specify colors, composition, and mood when relevant
- Mention technical requirements (professional, modern, clean)
Size Selection
- Choose 1024x1024 for general purpose and social media
- Use 1536x1024 for banners, headers, and landscape content
- Select 1024x1536 for mobile-optimized and portrait content
Error Handling
- OpenAI API availability and rate limiting
- Image generation failures and retries
- Storage upload errors and recovery
- Network connectivity issues
- Usage quota and billing validation
Security Features
- Secure API key management via Google Secret Manager
- Encrypted storage with access controls
- UUID-based file naming for privacy
- Organization-based access isolation