ComfyUI > Nodes > Qwen2.5-VL GGUF Nodes > 🤖 System Prompt Config

ComfyUI Node: 🤖 System Prompt Config

Class Name

SystemPromptConfig

Category
🤖 GGUF-VLM/🛠️ Tools
Author
walke2019 (Account age: 2560days)
Extension
Qwen2.5-VL GGUF Nodes
Latest Updated
2025-12-17
Github Stars
0.03K

How to Install Qwen2.5-VL GGUF Nodes

Install this extension via the ComfyUI Manager by searching for Qwen2.5-VL GGUF Nodes
  • 1. Click the Manager button in the main menu
  • 2. Select Custom Nodes Manager button
  • 3. Enter Qwen2.5-VL GGUF Nodes 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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🤖 System Prompt Config Description

Configures system prompts in ComfyUI, allowing preset or custom inputs for AI adaptability.

🤖 System Prompt Config:

The SystemPromptConfig node is designed to manage and configure system prompts within the ComfyUI framework. This node allows you to select from predefined system prompts or create custom prompts to tailor the behavior of AI models. By providing a flexible interface for prompt configuration, it enhances the adaptability of AI systems to various tasks and user requirements. The node's primary function is to ensure that the system prompt is appropriately set, either by using a preset or a custom input, and to validate the prompt for optimal performance. This capability is crucial for AI artists who wish to influence the AI's responses and interactions, making it a valuable tool for customizing AI behavior in creative projects.

🤖 System Prompt Config Input Parameters:

preset

The preset parameter allows you to choose between using a predefined system prompt or a custom one. It accepts a list of options, including "custom" and other preset names provided by the SystemPromptsManager. The default value is the first preset option available. This parameter is crucial as it determines the source of the system prompt, impacting how the AI will interpret and respond to inputs. Selecting a preset ensures consistency and reliability, while choosing "custom" allows for personalized prompt creation.

custom_prompt

The custom_prompt parameter is a string input used when the preset is set to "custom". It allows you to define a unique system prompt tailored to specific needs. This parameter supports multiline input and defaults to an empty string. The custom prompt directly influences the AI's behavior, enabling you to guide its responses in a specific direction. It's important to ensure the prompt is neither too short nor excessively long to maintain clarity and performance.

enable_system_prompt

The enable_system_prompt parameter is a boolean that determines whether the system prompt feature is active. It defaults to True, meaning the system prompt is enabled by default. This parameter is essential for toggling the use of system prompts, allowing you to quickly enable or disable the feature based on the task requirements. Disabling the system prompt can be useful when you want the AI to operate without predefined guidance.

🤖 System Prompt Config Output Parameters:

system_prompt

The system_prompt output is a string that represents the final system prompt used by the AI. This output is crucial as it defines the context and guidance provided to the AI, influencing its responses and interactions. The system prompt can be derived from either a preset or a custom input, depending on the configuration.

enabled

The enabled output is a boolean indicating whether the system prompt feature is active. This output is important for confirming the status of the system prompt configuration, ensuring that you are aware of whether the AI is operating with or without the guidance of a system prompt.

🤖 System Prompt Config Usage Tips:

  • To ensure optimal performance, choose a preset that closely aligns with your task requirements, as these are pre-validated for effectiveness.
  • When creating a custom prompt, aim for clarity and conciseness to avoid performance issues and ensure the AI understands the intended guidance.

🤖 System Prompt Config Common Errors and Solutions:

Custom prompt validation failed

  • Explanation: This error occurs when the custom prompt does not meet validation criteria, such as being too short or too long.
  • Solution: Review the custom prompt and ensure it is detailed enough to provide clear guidance but not excessively long to avoid performance degradation.

Preset 'preset_name' not found, using default

  • Explanation: This warning indicates that the specified preset name does not exist, and the system is defaulting to the standard preset.
  • Solution: Verify the preset name for typos or select from the available preset options provided by the SystemPromptsManager.

🤖 System Prompt Config Related Nodes

Go back to the extension to check out more related nodes.
Qwen2.5-VL GGUF Nodes
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🤖 System Prompt Config