ComfyUI Prompt Template

Easily replace variables like *obj or *style in your prompts using templates.

Features

• Supports *variable syntax in positive/negative prompts
• Two input modes:
  • JSON (with custom UI: dynamic key/value fields + "Load from Prompt" button)
  • Key=Value (simple multiline text)
• Auto-detects variables from prompt text
• Outputs both conditioning and raw prompts

Installation

1. Navigate to your ComfyUI/custom_nodes folder
2. Clone this repository:

git clone https://github.com/DaniilVdovin/ComfyUI-prompt-templating.git

3. Restart ComfyUI

Usage

🧩 Prompt Template (JSON)

Add the MIM Prompt Template Json node Write a prompt like: A *character in *outfit on *background Add fields to json string Connect to KSampler

Example Workflow:

🧩 Prompt Template (Key=Value)

Use MIM Prompt Template Key Value Enter variables as:

1. character=cyberpunk robot
2. outfit=neon armor
3. background=city at night

Example Workflow:

🧩 Prompt Template (Constructor)

Use MIM Prompt Template Constructor Write a prompt like: A *character in *outfit on *background Click "Load from Prompt" to auto-create fields for character, outfit, background

Issues: I can't display this node correctly in a smaller view; it only looks good in a larger view.

Example Workflow:

🧩 Features on using multiple nodes at once:

JSON nodes can be freely combined with each other to get different results, such as different values for the same key, different keys for the same value, and so on. Here is a small example of implementation

(this also works with the constructor, as it is the same node as JSON but with an additional JS interface):

Example Workflows:

1 set of keys, 2 different prompts.