{"tool_key":"image","description":"Generate an image from a text prompt and/or reference files.","input_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","type":"object","properties":{"model":{"type":"string","minLength":1},"prompt":{"type":"string","maxLength":2000},"aspect_ratio":{"type":"string"},"files":{"maxItems":10,"type":"array","items":{"type":"object","properties":{"url":{"type":"string","format":"uri"},"media_type":{"type":"string"}},"required":["url"],"additionalProperties":false}},"options":{"type":"object","properties":{"webhook_url":{"type":"string","format":"uri"},"cache":{"type":"boolean"}},"additionalProperties":{}},"provider_options":{"type":"object","properties":{"fal":{"type":"object","properties":{"seed":{"anyOf":[{"type":"integer","minimum":-9007199254740991,"maximum":9007199254740991},{"type":"null"}]},"prompt":{"type":"string","description":"Text prompt for image generation. Supports natural language, tag sequences, and JSON layouts."},"sync_mode":{"type":"boolean","description":"Return images as data URIs instead of storing them in request history."},"image_size":{"anyOf":[{"type":"object","properties":{"width":{"type":"integer","exclusiveMinimum":0,"maximum":14142,"description":"The width of the generated image."},"height":{"type":"integer","exclusiveMinimum":0,"maximum":14142,"description":"The height of the generated image."}},"additionalProperties":false},{"type":"string","enum":["square_hd","square","portrait_4_3","portrait_16_9","landscape_4_3","landscape_16_9"]}]},"num_images":{"type":"integer","minimum":1,"maximum":4,"description":"Number of images to generate."},"output_format":{"type":"string","enum":["jpeg","png","webp"]},"guidance_scale":{"type":"number","minimum":0,"maximum":10,"description":"Classifier-free guidance scale."},"negative_prompt":{"type":"string","description":"Negative prompt. When empty, guidance uses transformer layer skipping for the negative branch."},"num_inference_steps":{"type":"integer","minimum":1,"maximum":100,"description":"Number of denoising steps."},"enable_safety_checker":{"type":"boolean","description":"Enable output content moderation. Disabling it requires account authorization; unauthorized requests are always checked, and images flagged as unsafe are returned as black images."},"enable_prompt_expansion":{"type":"boolean","description":"Plan a structured layout from your prompt before generation. Preserves requested visible text and uses the selected image dimensions. If enhancement is unavailable, uses the original prompt."}},"additionalProperties":false}},"additionalProperties":false}},"required":["model"],"additionalProperties":false},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","type":"object","properties":{"version":{"type":"string","const":"v1"},"outputs":{"type":"array","items":{"type":"object","properties":{"url":{"type":"string"},"file_id":{"type":"string"},"media_type":{"type":"string"},"size_bytes":{"type":"number"},"raw":{}},"required":["url"],"additionalProperties":false}}},"required":["version","outputs"],"additionalProperties":false},"example":{"input":{"prompt":"a serene mountain lake at sunrise, photorealistic","aspect_ratio":"16:9"},"output":{"version":"v1","outputs":[{"url":"https://cdn.varg.dev/files/img_abc123.png","media_type":"image/png","size_bytes":2048576}]}}}