> ## Documentation Index > Fetch the complete documentation index at: https://docs.modelslab.com/llms.txt > Use this file to discover all available pages before exploring further. # Tools Reference > Complete reference for all MCP Web API tools including parameters, examples, and response formats. ## Models (Read-Only) ### list-models Browse and search available AI models on the ModelsLab platform. Filter by product: `imagen`, `videofusion`, `audiogen`, `llmaster`, `threedverse` Filter by model category (e.g., `stable_diffusion`, `flux`, `llm`, `video`) Filter by subcategory (e.g., `lora`, `controlnet`, `checkpoint`) Filter by provider (e.g., `modelslab`, `civitai`) Search by name, ID, description, or tags Filter models that have ALL specified tags `false` to exclude NSFW, `true` to include. Defaults to user preference Sort order: `recommended` (default), `latest`, `most-used` Max results (1-100). Default: 20 ```json theme={null} { "jsonrpc": "2.0", "id": 1, "method": "tools/call", "params": { "name": "list-models", "arguments": { "feature": "imagen", "search": "realistic", "limit": 5 } } } ``` *** ### list-providers List all model providers with model counts. Filter by product: `imagen`, `videofusion`, `audiogen`, `llmaster`, `threedverse` Filter by model category *** ## Image Generation ### text-to-image Generate images from text prompts. Model ID (e.g., `flux-dev`, `sdxl`) Text description of the image What to avoid in the image Image width (512-1024) Image height (512-1024) Aspect ratio (e.g., `1:1`, `16:9`, `9:16`) Number of images (1-4) Webhook URL for completion notification Custom tracking ID ```json theme={null} { "jsonrpc": "2.0", "id": 1, "method": "tools/call", "params": { "name": "text-to-image", "arguments": { "model_id": "flux-dev", "prompt": "A serene mountain landscape at sunset with a crystal clear lake", "negative_prompt": "blurry, low quality", "width": 1024, "height": 768, "samples": 1 } } } ``` Returns a request ID that can be used with `fetch-image` to retrieve results. *** ### image-to-image Transform existing images based on text prompts. Model ID for transformation How to transform the image Input image URL or base64 string What to avoid in the output Output width (512-1024) Output height (512-1024) Output aspect ratio Transformation strength (0-1). Higher = more change Number of images (1-4) Webhook URL Custom tracking ID *** ### inpaint-image Edit specific areas of images using masks. Model ID for inpainting What to paint in the masked area Input image URL or base64 Mask image (white = edit, black = preserve) What to avoid Transformation strength (0-1) Webhook URL Custom tracking ID *** ### fetch-image Retrieve the status and results of an image generation request. Request ID from a previous generation call *** ## Video Generation ### text-to-video Generate videos from text descriptions. Model ID for video generation Text description of the video What to avoid Video width (512-1024) Video height (512-1024) Aspect ratio (e.g., `16:9`, `9:16`) Duration in seconds (min 4) Frames per second Output resolution preset Generate in portrait orientation Keep camera position fixed Use AI to enhance the prompt Generate audio for the video Audio URL to sync with Webhook URL Custom tracking ID *** ### image-to-video Animate static images into videos. Model ID for video generation Input image URL or base64 Motion/transformation description What to avoid Video aspect ratio Duration in seconds (min 4) Output resolution preset Portrait orientation Audio URL to sync with Webhook URL Custom tracking ID *** ### video-to-video Transform existing videos with AI. Model ID for transformation How to transform the video Input video URL Optional reference image What to avoid Output aspect ratio Duration in seconds (min 4) Random seed (0-4294967295) `auto`, `low`, `medium`, `high` Webhook URL Custom tracking ID *** ### lip-sync Sync video with audio for lip movements. Model ID for lip sync Video URL or base64 containing face Audio URL or base64 to sync with Webhook URL Custom tracking ID *** ### motion-control Control motion in video generation using reference video. Model ID for motion control Character/subject image Video for motion reference Use orientation from `image` or `video` Optional text prompt (max 2500 chars) `std` (standard) or `pro` (professional) `yes` or `no` Webhook URL Custom tracking ID *** ### fetch-video Retrieve the status and results of a video generation request. Request ID from a previous video generation call *** ## Audio Generation ### text-to-speech Convert text to natural speech audio. Model ID for text-to-speech Text to convert to speech Voice ID to use Voice variation (0-1) Webhook URL Custom tracking ID *** ### speech-to-text Transcribe audio to text. Model ID for transcription Audio URL or base64 to transcribe Webhook URL Custom tracking ID *** ### speech-to-speech Voice conversion and transformation. Model ID for voice conversion Audio URL or base64 to transform Target voice ID Webhook URL Custom tracking ID *** ### sound-generation Generate sound effects from text descriptions. Model ID for sound generation Description of the sound effect Webhook URL Custom tracking ID *** ### music-generation Create music from text prompts. Model ID for music generation Description of the music to generate Webhook URL Custom tracking ID *** ### song-extender Extend existing music tracks. Model ID for song extension Audio URL or base64 to extend Direction for the extension Webhook URL Custom tracking ID *** ### song-inpaint Edit specific parts of songs. Model ID for song inpainting Audio URL or base64 to edit What to replace/edit in the song Webhook URL Custom tracking ID *** ### dubbing Create dubbed audio content. Model ID for dubbing Original audio URL or base64 Target language for dubbing Webhook URL Custom tracking ID *** ### fetch-audio Retrieve the status and results of an audio generation request. Request ID from a previous audio generation call *** ## LLM ### chat-completion Chat with AI language models. LLM model ID Array of message objects with `role` and `content` Sampling temperature Maximum tokens to generate Webhook URL Custom tracking ID ```json theme={null} { "jsonrpc": "2.0", "id": 1, "method": "tools/call", "params": { "name": "chat-completion", "arguments": { "model_id": "llama-3", "messages": [ {"role": "system", "content": "You are a helpful assistant."}, {"role": "user", "content": "What is the capital of France?"} ], "temperature": 0.7, "max_tokens": 500 } } } ```