# LLM Prompting Guide

> Prompt format rules for generative video and music models. Use when writing or reviewing a prompt for MiniMax H3 (text/image/reference-to-video with native audio) or MiniMax Music 3 (song generation from caption plus lyrics), in ComfyUI or elsewhere. Do NOT use for chat-assistant prompts, or for generative models not named here.

- Skill: `sammcj/llm-prompting-guide` (Agent Skill, multi-file: 7 files)
- Install (CLI): `npx skillmds add sammcj/llm-prompting-guide`
- Raw SKILL.md: https://api.skillmd.com/api/skills/sammcj/llm-prompting-guide/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: AI & ML
- Author: sammcj (https://skillmd.com/u/sammcj)
- Updated: 2026-09-09
- Page: https://skillmd.com/skills/sammcj/llm-prompting-guide

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# LLM Prompting Guide

The models below were trained on prompts written in a specific labelled structure, and guessing at that structure degrades output. Read the full guide for the model in play before writing any prompt text; the bullet here is a router, not enough to draft from.

- MiniMax H3 (video + native stereo audio; T2VA, I2VA, FL2VA, L2VA, R2V) -> [references/minimax-h3.md](references/minimax-h3.md)
- MiniMax Music 3 (full songs from a structured caption + tagged lyrics) -> [references/minimax-music-3.md](references/minimax-music-3.md)
  - Music 3 only responds to styles its training corpus contains. Check every genre term and production phrase before writing: [references/minimax-music-3-corpus.md](references/minimax-music-3-corpus.md)

Adding a model: one bullet above, plus the skills `references/<model>.md` opening with a table of contents and a mode-selection table.

By default, unless instructed otherwise save your generated outputs to a file in the current working directory named something related to the request.