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Custom
nodes.

Tools I needed and couldn't find — so I built them, tested them on real projects, and open-sourced them.

comfy node install comfyui-h3-planner
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MiniMax H3 Planner
v0.2.0 · Comfy Registry

H3 Planner

Plan, render and stitch long MiniMax H3 videos. A Story Planner writes a whole advert from one brief, a Beat Map cuts a music video on the bar lines, and each segment renders into a vault that stitches back to the exact planned durations.

Story PlannerBeat MapSegment PrompterVault
license GPL-3.0
comfy node install comfyui-h3-planner
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H3 Prompt Creator
GitHub · Prompting

H3 Prompt Creator

Easy prompt creation for MiniMax H3. Three nodes inside: text-to-video, reference-to-video, and ready-made use cases.

T2VR2VUse Cases
install git clone
git clone https://github.com/AIJigyasa/ComfyUI-H3-Prompt-Creator
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LTX 2.5 Prompt Creator
Coming soon

LTX 2.5 Prompt Creator

Turns a simple idea into a guide-accurate text-to-video, image-to-video or first-frame-last-frame prompt, with a local Ollama or hosted LLM backend.

T2VI2VFFLFOllama
status in testing
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Image Concat Labels
Coming soon

Image Concat Labels

Concatenate images side by side, stacked or in a grid, with uniformly sized text labels per image. Built for comparison sheets and reference boards.

RowColumnGridLabels
status in testing
FOLLOW ON GITHUB
PRINCIPLES

How these nodes are built

  1. Model output is untrustedEvery LLM response is validated and repaired in code — counts, format and tags — never taken on faith.
  2. Your number is a constraintAsk for 15 seconds, get 15 seconds. If it can't be honoured, the report says exactly why.
  3. Nothing dropped silentlyAnything that can't be placed is named in the report, with the control that changes it.

Found a bug?

Open an issue on GitHub, or send the log line — it's usually enough.

OPEN AN ISSUE