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New pages (sourced from actual codebase): - Security: command approval, DM pairing, container isolation, production checklist - Session Management: resume, export, prune, search, per-platform tracking - Context Files: AGENTS.md project context, discovery, size limits, security - Personality: SOUL.md, 14 built-in personalities, custom definitions - Browser Automation: Browserbase setup, 10 browser tools, stealth mode - Image Generation: FLUX 2 Pro via FAL, aspect ratios, auto-upscaling - Provider Routing: OpenRouter sort/only/ignore/order config - Honcho: AI-native memory integration, setup, peer config - Home Assistant: HASS setup, 4 HA tools, WebSocket gateway - Batch Processing: trajectory generation, dataset format, checkpointing - RL Training: Atropos/Tinker integration, environments, workflow Expanded pages: - code-execution: 51 → 195 lines (examples, limits, security, comparison table) - delegation: 60 → 216 lines (context tips, batch mode, model override) - cron: 88 → 273 lines (real-world examples, delivery options, expression cheat sheet) - memory: 98 → 249 lines (best practices, capacity management, examples)
4.6 KiB
title, description, sidebar_label, sidebar_position
| title | description | sidebar_label | sidebar_position |
|---|---|---|---|
| Image Generation | Generate high-quality images using FLUX 2 Pro with automatic upscaling via FAL.ai. | Image Generation | 6 |
Image Generation
Hermes Agent can generate images from text prompts using FAL.ai's FLUX 2 Pro model with automatic 2x upscaling via the Clarity Upscaler for enhanced quality.
Setup
Get a FAL API Key
- Sign up at fal.ai
- Generate an API key from your dashboard
Configure the Key
# Add to ~/.hermes/.env
FAL_KEY=your-fal-api-key-here
Install the Client Library
pip install fal-client
:::info
The image generation tool is automatically available when FAL_KEY is set. No additional toolset configuration is needed.
:::
How It Works
When you ask Hermes to generate an image:
- Generation — Your prompt is sent to the FLUX 2 Pro model (
fal-ai/flux-2-pro) - Upscaling — The generated image is automatically upscaled 2x using the Clarity Upscaler (
fal-ai/clarity-upscaler) - Delivery — The upscaled image URL is returned
If upscaling fails for any reason, the original image is returned as a fallback.
Usage
Simply ask Hermes to create an image:
Generate an image of a serene mountain landscape with cherry blossoms
Create a portrait of a wise old owl perched on an ancient tree branch
Make me a futuristic cityscape with flying cars and neon lights
Parameters
The image_generate_tool accepts these parameters:
| Parameter | Default | Range | Description |
|---|---|---|---|
prompt |
(required) | — | Text description of the desired image |
aspect_ratio |
"landscape" |
landscape, square, portrait |
Image aspect ratio |
num_inference_steps |
50 |
1–100 | Number of denoising steps (more = higher quality, slower) |
guidance_scale |
4.5 |
0.1–20.0 | How closely to follow the prompt |
num_images |
1 |
1–4 | Number of images to generate |
output_format |
"png" |
png, jpeg |
Image file format |
seed |
(random) | any integer | Random seed for reproducible results |
Aspect Ratios
The tool uses simplified aspect ratio names that map to FLUX 2 Pro image sizes:
| Aspect Ratio | Maps To | Best For |
|---|---|---|
landscape |
landscape_16_9 |
Wallpapers, banners, scenes |
square |
square_hd |
Profile pictures, social media posts |
portrait |
portrait_16_9 |
Character art, phone wallpapers |
:::tip
You can also use the raw FLUX 2 Pro size presets directly: square_hd, square, portrait_4_3, portrait_16_9, landscape_4_3, landscape_16_9. Custom sizes up to 2048x2048 are also supported.
:::
Automatic Upscaling
Every generated image is automatically upscaled 2x using FAL.ai's Clarity Upscaler with these settings:
| Setting | Value |
|---|---|
| Upscale Factor | 2x |
| Creativity | 0.35 |
| Resemblance | 0.6 |
| Guidance Scale | 4 |
| Inference Steps | 18 |
| Positive Prompt | "masterpiece, best quality, highres" + your original prompt |
| Negative Prompt | "(worst quality, low quality, normal quality:2)" |
The upscaler enhances detail and resolution while preserving the original composition. If the upscaler fails (network issue, rate limit), the original resolution image is returned automatically.
Example Prompts
Here are some effective prompts to try:
A candid street photo of a woman with a pink bob and bold eyeliner
Modern architecture building with glass facade, sunset lighting
Abstract art with vibrant colors and geometric patterns
Portrait of a wise old owl perched on ancient tree branch
Futuristic cityscape with flying cars and neon lights
Debugging
Enable debug logging for image generation:
export IMAGE_TOOLS_DEBUG=true
Debug logs are saved to ./logs/image_tools_debug_<session_id>.json with details about each generation request, parameters, timing, and any errors.
Safety Settings
The image generation tool runs with safety checks disabled by default (safety_tolerance: 5, the most permissive setting). This is configured at the code level and is not user-adjustable.
Limitations
- Requires FAL API key — image generation incurs API costs on your FAL.ai account
- No image editing — this is text-to-image only, no inpainting or img2img
- URL-based delivery — images are returned as temporary FAL.ai URLs, not saved locally
- Upscaling adds latency — the automatic 2x upscale step adds processing time
- Max 4 images per request —
num_imagesis capped at 4