ComfyUI > Nodes > ComfyUI_Simple_Qwen3-VL-gguf > Master Prompt Loader

ComfyUI Node: Master Prompt Loader

Class Name

SimpleMasterPromptLoader

Category
🌐 SimpleQwenVL
Author
KLL535 (Account age: 499days)
Extension
ComfyUI_Simple_Qwen3-VL-gguf
Latest Updated
2026-04-04
Github Stars
0.05K

How to Install ComfyUI_Simple_Qwen3-VL-gguf

Install this extension via the ComfyUI Manager by searching for ComfyUI_Simple_Qwen3-VL-gguf
  • 1. Click the Manager button in the main menu
  • 2. Select Custom Nodes Manager button
  • 3. Enter ComfyUI_Simple_Qwen3-VL-gguf in the search bar
After installation, click the Restart button to restart ComfyUI. Then, manually refresh your browser to clear the cache and access the updated list of nodes.

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Master Prompt Loader Description

Streamlines loading and managing system prompts for consistent, customizable AI art projects.

Master Prompt Loader:

The SimpleMasterPromptLoader is a versatile node designed to streamline the process of loading and managing system prompts within your AI art projects. Its primary function is to retrieve predefined system prompts, which can be used as a foundation for generating creative outputs. This node is particularly beneficial for users who want to maintain consistency across different projects or need a quick way to access a library of prompts. By allowing the combination of preset prompts with user-defined options, it offers flexibility and customization, enabling you to tailor the prompts to suit specific artistic needs or themes. The node's ability to handle both required and optional inputs ensures that you can either rely on existing presets or enhance them with additional context, making it a powerful tool for enhancing creativity and efficiency in your workflow.

Master Prompt Loader Input Parameters:

system_preset

The system_preset parameter is a required input that allows you to select from a list of predefined system prompts. These prompts serve as a starting point for your creative process, providing a consistent base that can be reused across different projects. The available options are dynamically loaded from a cached section, ensuring that you have access to the most up-to-date presets. If no presets are available, the default option is "None". This parameter is crucial for maintaining uniformity and leveraging existing prompt libraries to enhance your workflow.

system_prompt_opt

The system_prompt_opt parameter is an optional input that lets you add custom text to the selected system prompt. This parameter accepts a string input, which can be multiline, allowing you to provide additional context or modify the preset prompt to better fit your specific needs. By using this parameter, you can personalize the output, making it more relevant to your current project or artistic vision. The default value is an empty string, and it is designed to force input, ensuring that any additional context you wish to provide is included in the final prompt.

Master Prompt Loader Output Parameters:

system_prompt

The system_prompt output parameter provides the final prompt that combines the selected system preset with any additional text specified in the system_prompt_opt parameter. This output is a string that serves as the foundation for generating creative content. It is essential for ensuring that the generated output aligns with your artistic goals and incorporates both predefined and custom elements. The system_prompt is the key deliverable from this node, enabling you to seamlessly integrate it into your AI art generation process.

Master Prompt Loader Usage Tips:

  • To maximize the effectiveness of the SimpleMasterPromptLoader, start by selecting a system_preset that closely aligns with your project's theme or style. This will provide a strong foundation for your creative output.
  • Use the system_prompt_opt parameter to add specific details or context that are unique to your current project. This customization can help tailor the prompt to better fit your artistic vision.
  • Regularly update your system presets to ensure you have access to the latest and most relevant prompts, enhancing the versatility and applicability of the node.

Master Prompt Loader Common Errors and Solutions:

Node 'Master Prompt Loader' not found

  • Explanation: This error occurs when the node is not properly installed or the class type is missing from the node mappings.
  • Solution: Ensure that the SimpleMasterPromptLoader node is correctly installed and that its class type is included in the NODE_CLASS_MAPPINGS. Check for any missing dependencies or installation issues.

No system presets available

  • Explanation: This error indicates that the system presets could not be loaded, possibly due to a missing or corrupted cache section.
  • Solution: Verify that the cache section for system prompts is correctly set up and accessible. If necessary, refresh or rebuild the cache to restore the presets.

Master Prompt Loader Related Nodes

Go back to the extension to check out more related nodes.
ComfyUI_Simple_Qwen3-VL-gguf
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RunComfy is the premier ComfyUI platform, offering ComfyUI online environment and services, along with ComfyUI workflows featuring stunning visuals. RunComfy also provides AI Models, enabling artists to harness the latest AI tools to create incredible art.

Master Prompt Loader