AI Image Generation

This skill guides you on how to generate and edit images using the AI image generation service, helping users create high-quality product images, modify existing images, and perform creative visual transformations.

Core Concepts

The AI Image Generation tool produces new images based on a text prompt and optional reference images. It supports a wide range of use cases:

• Text-to-image: Generate a brand-new image purely from a text description.
• Image-to-image: Provide one or more reference images and a prompt to generate a new image that preserves elements from the references.
• Image editing: Modify specific elements, colors, backgrounds, or styles in an existing image.
• Product compositing: Place a product from one image into a scene from another image.
• Model swapping: Replace the model or mannequin in a product photo.

Reference images are strongly recommended when the user wants the output to closely resemble an existing product or scene. Up to 3 reference image URLs can be provided, separated by commas.

Parameter Guide

Supported Aspect Ratios

Prompt Writing Tips

1. Be specific and descriptive: Clearly describe the subject, scene, lighting, style, and mood you want.
2. Reference images by number: When using reference images, refer to them as "image 1", "image 2", etc., in the order they appear in referenceImageUrl.
3. State the operation explicitly: Use clear action verbs like "replace", "change", "put", "combine", "generate".
4. Keep within 1000 characters: Prompts have a maximum length of 1000 characters.

Prompt Examples by Scenario

Object replacement:

Replace the vase on the table in image 1 with a potted plant

Background color change:

Change the background color of image 1 to pure white

Product compositing:

Place the product from image 2 onto the marble countertop in image 1

Style transfer:

Transform image 1 into the artistic style shown in image 2

Text-to-image (no reference):

A professional product photo of a sleek black wireless headphone on a gradient blue background, studio lighting, 8K quality

Model swapping:

Replace the model in image 1 with a different model while keeping the same clothing and pose

API Usage

This tool calls the LinkFox tool gateway API. See references/api.md for calling conventions, request parameters, and response structure. You can also execute scripts/multimodal_generate_image.py directly to run image generation.

Display Rules

1. Show the generated image: When the response contains image content in the text field, display it directly to the user using markdown image syntax.
2. Status reporting: Check the status and finished fields. If image generation is still in progress, inform the user and advise waiting.
3. Prompt transparency: Briefly describe what prompt and parameters were sent so the user understands what was requested.
4. Aspect ratio confirmation: If the user does not specify dimensions, use the default 1:1 ratio but mention it so they can request a different ratio if needed.
5. Reference image guidance: If the user wants a result close to an existing image but did not provide a reference URL, proactively suggest they provide one for better fidelity.
6. Error handling: When generation fails, explain the issue based on the response status field and suggest adjustments (e.g., simplify the prompt, check reference image URLs, try a different aspect ratio).

Important Limitations

• Reference image limit: A maximum of 3 reference image URLs can be provided per request.
• Prompt length: The prompt must not exceed 1000 characters.
• URL validity: Reference image URLs must be publicly accessible. Private or expired URLs will cause failures.
• Aspect ratio options: Only 1:1, 3:4, 4:3, 9:16, and 16:9 are supported.

User Expression & Scenario Quick Reference

Applicable -- Requests involving image generation or editing:

Not applicable -- Needs beyond image generation:

• Image analysis or recognition (reading text from images, identifying objects)
• Video generation or editing
• Image file format conversion
• Batch processing of hundreds of images
• Image hosting or storage

Feedback:

Auto-detect and report feedback via the Feedback API when any of the following apply:

1. The functionality or purpose described in this skill does not match actual behavior
2. The skill's results do not match the user's intent
3. The user expresses dissatisfaction or praise about this skill
4. Anything you believe could be improved

Call the feedback API as specified in references/api.md. Do not interrupt the user's flow.

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