ComfyUI-Polymath-Vibenodes

<img width="1280" height="720" alt="Custom Vibe" src="https://github.com/user-attachments/assets/9aedba75-b2ee-4688-8e66-35977b49908a" />

Polymath JSON Prompt

A custom ComfyUI node that lets you make auto json prompts with a simple placeholder templating syntax, while automatically creating dynamic input ports for any referenced placeholders.

Why

Чтобы автоматизировать json промпты, работая с n8n и создавая dataset for lora with qwen-edit in one click

<img width="420" height="420" alt="polymath json node" src="https://github.com/user-attachments/assets/0f1cfd41-a19b-406d-a517-fa36daa0335d" /> <img width="690" height="420" alt="panda example" src="https://github.com/user-attachments/assets/84f59aba-e121-4ed1-935d-eb130baec933" /> <img width="690" height="420" alt="panda salto" src="https://github.com/user-attachments/assets/f0b88386-9de0-4e23-a7ac-b5b71a26c389" />

Node

• Name: Polymath JSON Prompt
• Category: Polymath
• Output: STRING (pretty-printed valid JSON)

Placeholder syntax

Use placeholders without quotes:

{
  "scene": {{ $json['scene'].prompt }},
  "identity": {{ $json['identity'].prompt }}
}

Rules:

• Placeholders are matched by the pattern:

  {{ $json['KEY'].prompt }}

• KEY becomes a dynamic input port on the node.

• The incoming value is treated as a string, JSON-escaped, and inserted into the template.

• The final rendered result is validated with json.loads(). If it is not valid JSON, the node throws an error.

Example template

{
  "scene": {{ $json['scene'].prompt }},
  "character": [
    {
      "identity": {{ $json['identity'].prompt }},
      "pose": {{ $json['pose'].prompt }},
      "dress": {{ $json['dress'].prompt }},
      "emotion": {{ $json['emotion'].prompt }},
      "action": {{ $json['action'].prompt }}
    }
  ],
  "style": "...",
  "lighting": "...",
  "mood": "...",
  "camera": {
    "angle": "high angle",
    "distance": "medium shot",
    "focus": "Sharp focus on ... in frame",
    "lens-mm": 85,
    "f-number": "f/5.6",
    "ISO": 200
  }
}

Install

1. Manual git clone into ComfyUI/custom_nodes:

   git clone https://github.com/polymath-wtf/ComfyUI-Polymath-Vibenodes.git
   

2. Restart UI.

Development notes

• First VibeNode&VibeCode, Enjoy
• Backend is implemented using the ComfyUI V3 API (comfy_api.latest.IO). v3? wtf? idk