minimax-h3

calesthio/OpenMontage · Agent Skill

Generates 4-15 second 2K MiniMax H3 (Hailuo 3.0) videos using various APIs and local models.

Overview

Publisher	calesthioCommunity
Repository	calesthio/OpenMontage ↗
Skill folder	`minimax-h3`
Stars	56,383
Bundled files	1
License	AGPL-3.0
Last updated	August 12, 2026
Links	Skill source ↗ · Repository ↗

Mozgi check

What we found in the skill files. Details come with a subscription.

Security

low risk · no obvious risks found — the full report shows the details

Compatibility

instructions only — works with most agents

Similar skills

72 similar skills found

Also with subscription

Installation

A skill is a folder with a SKILL.md file. Pick your agent and run the commands in a terminal (macOS, Linux or Git Bash on Windows) from your project root.

Copy the prompt into Claude, Codex or another assistant: it will review the skill and install it for you.

Install the “minimax-h3” skill from mozgi.io (https://mozgi.io/skills/minimax-h3/) for me.

1. Download the archive: https://mozgi.io/skills/minimax-h3/download
   If it fails, take the skill folder from the source: https://github.com/calesthio/OpenMontage/tree/main/.agents/skills/minimax-h3
2. Read SKILL.md and the other files. Check the skill is safe: no hidden commands, no sending data elsewhere, no scripts doing something other than described. If anything looks suspicious, stop and tell me.
3. Put the “minimax-h3” folder into your agent's skills folder: .claude/skills/ for Claude Code, .agents/skills/ for Codex, .cursor/skills/ for Cursor, .gemini/skills/ for Gemini CLI. Inside the project if we are in one, otherwise in the home folder (~/.claude/skills/ etc.).
4. Make sure <skills folder>/minimax-h3/SKILL.md exists.
5. Briefly tell me what this skill does and offer to try it on my task.

If you cannot do a step yourself, tell me what to click or type.

git clone --depth 1 --branch main https://github.com/calesthio/OpenMontage.git /tmp/OpenMontage
mkdir -p .claude/skills
cp -r /tmp/OpenMontage/.agents/skills/minimax-h3 .claude/skills/minimax-h3

Restart Claude Code — the skill appears in the list; call it manually with /minimax-h3. For all projects use ~/.claude/skills.

git clone --depth 1 --branch main https://github.com/calesthio/OpenMontage.git /tmp/OpenMontage
mkdir -p .agents/skills
cp -r /tmp/OpenMontage/.agents/skills/minimax-h3 .agents/skills/minimax-h3

Codex looks for skills in .agents/skills from the current folder up to the repo root; call one with /skills or $minimax-h3. For all projects use ~/.agents/skills.

git clone --depth 1 --branch main https://github.com/calesthio/OpenMontage.git /tmp/OpenMontage
mkdir -p .cursor/skills
cp -r /tmp/OpenMontage/.agents/skills/minimax-h3 .cursor/skills/minimax-h3

Cursor picks the skill up on start; call it with “/” in Agent chat. Cursor also reads .claude/skills and .agents/skills. For all projects use ~/.cursor/skills.

git clone --depth 1 --branch main https://github.com/calesthio/OpenMontage.git /tmp/OpenMontage
mkdir -p .gemini/skills
cp -r /tmp/OpenMontage/.agents/skills/minimax-h3 .gemini/skills/minimax-h3

Gemini CLI offers to activate the skill when a task matches — you approve it. For all projects use ~/.gemini/skills.

Review the source files

1 file Download Zip

Read SKILL.md and any companion files before deciding whether to install. Click a file to preview it.

SKILL.md contents

Original author text · read-only

MiniMax H3

MiniMax H3 is the Hailuo 3.0 family. The first-party API identifier is

MiniMax-H3; fal.ai exposes the family as hailuo-03, and Runway uses

hailuo3. Do not substitute one provider's identifier into another API.

Choose a route

| Route | Tool call | Execution |

|-------|-----------|-----------|

| MiniMax direct | minimax_video, model: "MiniMax-H3" | Hosted first-party v2 API; global or mainland-China region |

| fal.ai | minimax_fal_video | Hosted gateway; T2V, I2V, reference-to-video |

| Runway | runway_video, model: "hailuo3" | Hosted; 768P or 2K, 5–15 seconds |

| ComfyUI Partner Node | comfyui_video, model_family: "minimax_h3_api" | Hosted and billed in Comfy credits |

| ComfyUI open weights | comfyui_video, model_family: "minimax_h3_local" | Local GPU with official workflow and model stack |

For local ComfyUI, export the official workflow in API format and pass

workflow_json or workflow_path plus output_node. OpenMontage reports the

required diffusion model, Qwen3-VL text encoder, video VAE, and audio VAE; it

does not silently download large weights.

Operations and prompting

Text-to-video: concrete ratio; do not use adaptive without visual input.
Image-to-video: provide a first frame.
First/last-frame: provide both images and describe the motion between them.
Reference-to-video: images, videos, and audio can be combined. Audio needs at

least one visual reference.

Write prompts as subject + action + camera path + environment + lighting +

audio intent. MiniMax responds well to explicit camera direction. Keep the

requested motion achievable within 4–15 seconds and inspect native audio as

carefully as the image track.

Provider differences

The direct MiniMax v2 route currently outputs 2K and supports 4–15 seconds.

Runway's Hailuo 3.0 route supports 768P/2K and documents 5–15 seconds. Partner

Nodes require network access and credits. Only the open-weight ComfyUI route is

local/offline after all models are installed.

Frequently asked questions

What does the minimax-h3 skill do?

Generates 4-15 second 2K MiniMax H3 (Hailuo 3.0) videos using various APIs and local models.

How do I install minimax-h3?

Open the “Installation” block on this page and pick your agent — Claude Code, Codex, Cursor or Gemini CLI — for ready-made commands that copy the skill folder to the right place. Or copy the prompt from the “Via assistant” tab and let the assistant review and install the skill.

Which AI models work with minimax-h3?

Skills are plain Markdown instructions (the Agent Skills format), so minimax-h3 works with any agent that reads SKILL.md: Claude Code, Codex, Cursor, Gemini CLI, GitHub Copilot, OpenCode and more. The model loads the instructions only when a task matches the skill's description.

Is minimax-h3 free?

The skill is published openly by calesthio under the AGPL-3.0 license. The skill itself costs nothing — you only pay your AI provider for the tokens you use.

Is it safe to install skills?

A skill is a set of instructions your agent will follow, so read SKILL.md and its companion files before installing. Scripts in the skill folder only run if your agent runs them — keep an eye on what it does and do not grant unnecessary permissions.

How is a skill different from an MCP server or a plugin?

An MCP server or plugin gives the model new tools — code that runs and returns a result. A skill gives it knowledge and process: how to approach a task, which steps to follow and what good output looks like. It needs no server or API key.

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