happyhorse

What the source does

• FilesystemNone observedNo reads or writes in the source
• NetworkNone observedNo outbound calls in the source
• ShellNone observedNo commands run in the source
• DependenciesPinnedNothing floats
• SecretsNone foundNo keys in source

Five audit layers

Gates applied: no behavioural pass, no license.

Audit 0.4.1 · source sha 4599ef28a2a7 · 28 Oct 2026Report an issue or request a re-scan

• Publishermagentosh GitHub organizationOwner of the repository this skill is read from
• Source foldermagentosh/skills/tools/video/happyhorseThe exact folder we audited
• LicenceNot declaredAs the repository states it
• Commit pinned for this verdict4599ef28a2a7A new audit runs when the source changes
• Repository statusNot archivedLast push 12 days ago
• Sandboxed runNot runSkills are read, not executed; layer L4 is skipped

Its description: Generate and edit videos with Alibaba HappyHorse 1.0 models via inference.sh CLI. Models: HappyHorse T2V, I2V, R2V, Video Edit. Capabilities: text-to-video, image-to-video, reference-to-video, video editing with natural…

---
name: happyhorse
description: "Generate and edit videos with Alibaba HappyHorse 1.0 models via inference.sh CLI. Models: HappyHorse T2V, I2V, R2V, Video Edit. Capabilities: text-to-video, image-to-video, reference-to-video, video editing with natural language, character preservation, 720P/1080P, up to 15 seconds. Use for: physically realistic video, video editing, character-consistent content, product demos, social media. Triggers: happyhorse, happy horse, alibaba video, happyhorse 1.0, dashscope video, alibaba happyhorse, video editing ai, ai video editor"
allowed-tools: Bash(belt *)
---

> **Install the belt CLI skill:** `npx skills add belt-sh/cli`

# HappyHorse 1.0 Video Generation

Generate and edit physically realistic videos with Alibaba's HappyHorse 1.0 models via [inference.sh](https://inference.sh) CLI.

## Quick Start

> Requires inference.sh CLI (`belt`). [Install instructions](https://raw.githubusercontent.com/inference-sh/skills/refs/heads/main/cli-install.md)

```bash
belt login

belt app run alibaba/happyhorse-1-0-t2v --input '{"prompt": "a horse galloping across a sunlit meadow"}'
```


## HappyHorse Models

| Model | App ID | Best For |
|-------|--------|----------|
| T2V | `alibaba/happyhorse-1-0-t2v` | Text-to-video, physically realistic motion |
| I2V | `alibaba/happyhorse-1-0-i2v` | Animate a single image |
| R2V | `alibaba/happyhorse-1-0-r2v` | Preserve characters from up to 9 reference images |
| Video Edit | `alibaba/happyhorse-1-0-video-edit` | Edit existing videos with natural language |

All models support 720P/1080P resolution, up to 15 seconds duration.

## Examples

### Text-to-Video

```bash
belt app run alibaba/happyhorse-1-0-t2v --input '{
  "prompt": "a golden retriever running through autumn leaves in a park, slow motion",
  "duration": 10,
  "resolution": "1080P",
  "ratio": "16:9"
}'
```

### Image-to-Video

Animate a still image:

```bash
belt app run alibaba/happyhorse-1-0-i2v --input '{
  "first_frame": "https://your-image.jpg",
  "prompt": "gentle camera zoom, clouds moving in the sky",
  "duration": 8,
  "resolution": "720P"
}'
```

### Reference-to-Video (Character Preservation)

Generate videos that preserve characters from reference images (up to 9):

```bash
belt app run alibaba/happyhorse-1-0-r2v --input '{
  "prompt": "a woman walking through a busy market street",
  "reference_images": ["https://portrait.jpg"],
  "duration": 10,
  "resolution": "720P"
}'
```

### Multi-Character Reference

```bash
belt app run alibaba/happyhorse-1-0-r2v --input '{
  "prompt": "two friends sitting at a cafe having coffee",
  "reference_images": ["https://person1.jpg", "https://person2.jpg"],
  "ratio": "16:9"
}'
```

### Video Editing

Edit existing videos using natural language instructions:

```bash
belt app run alibaba/happyhorse-1-0-video-edit --input '{
  "video": "https://your-video.mp4",
  "prompt": "change the background to a snowy mountain landscape"
}'
```

### Video Editing with Reference Images

```bash
belt app run alibaba/happyhorse-1-0-video-edit --input '{
  "video": "https://your-video.mp4",
  "prompt": "replace the person with the character from the reference image",
  "reference_images": ["https://character.jpg"]
}'
```

### Video Editing with Audio Control

```bash
belt app run alibaba/happyhorse-1-0-video-edit --input '{
  "video": "https://your-video.mp4",
  "prompt": "make the scene look like a rainy day",
  "audio_setting": "generate"
}'
```

## Pricing

| Resolution | Price |
|------------|-------|
| 720P | $0.14 per second |
| 1080P | $0.24 per second |

Video Edit is billed on input + output duration.

## Parameters (T2V)

| Parameter | Type | Default | Description |
|-----------|------|---------|-------------|
| `prompt` | string | required | Text description of the video |
| `duration` | integer | 5 | Duration in seconds (3–15) |
| `resolution` | enum | 720P | 720P or 1080P |
| `ratio` | enum | 16:9 | 16:9, 9:16, 1:1, 4:3, 3:4, 21:9 |
| `seed` | integer | random | Reproducible generation |
| `watermark` | boolean | false | Add HappyHorse watermark |

## Parameters (I2V)

| Parameter | Type | Default | Description |
|-----------|------|---------|-------------|
| `first_frame` | file | required | First frame image (JPEG, PNG, WebP) |
| `prompt` | string | - | Optional text description |
| `duration` | integer | 5 | Duration in seconds (3–15) |
| `resolution` | enum | 720P | 720P or 1080P |
| `seed` | integer | random | Reproducible generation |

## Parameters (R2V)

| Parameter | Type | Default | Description |
|-----------|------|---------|-------------|
| `prompt` | string | required | Text description of the scene |
| `reference_images` | array | required | Up to 9 character reference images |
| `duration` | integer | 5 | Duration in seconds (3–15) |
| `resolution` | enum | 720P | 720P or 1080P |
| `ratio` | enum | 16:9 | 16:9, 9:16, 1:1, 4:3, 3:4, 21:9 |
| `seed` | integer | random | Reproducible generation |

## Parameters (Video Edit)

| Parameter | Type | Default | Description |
|-----------|------|---------|-------------|
| `video` | file | required | Video to edit (MP4/MOV, H.264) |
| `prompt` | string | required | Editing instruction |
| `reference_images` | array | - | Up to 5 reference images |
| `audio_setting` | enum | auto | auto, generate, or keep_original |
| `resolution` | enum | 720P | 720P or 1080P |
| `seed` | integer | random | Reproducible generation |

## Search HappyHorse Apps

```bash
belt app search "happyhorse"
```

## Related Skills

```bash
# Full platform skill (all apps)
npx skills add inference-sh/skills@infsh-cli

# All video generation models
npx skills add inference-sh/skills@ai-video-generation

# Seedance 2.0
npx skills add inference-sh/skills@seedance

# Google Veo
npx skills add inference-sh/skills@google-veo

# Image generation (for image-to-video)
npx skills add inference-sh/skills@ai-image-generation
```

Browse all video apps: `belt app list --category video`

## Documentation

- [Ru

Excerpt, first 6,000 characters of SKILL.md, verbatim from the audited commit. It is text from someone else’s repository, quoted so you can judge it before your agent reads it.

npx skills add inference-sh/skills@infsh-cli
npx skills add inference-sh/skills@ai-video-generation
npx skills add inference-sh/skills@seedance
npx skills add inference-sh/skills@google-veo
npx skills add inference-sh/skills@ai-image-generation

git clone https://github.com/magentosh/skills
git -C skills checkout 4599ef28a2a7

Works in

1. 2026-10-28
   ✓SAFE B 89 / 100

   first audit · source 4599ef28a2a7

Questions about happyhorse

• github.com/magentosh/skills/tree/main/tools/video/happyhorse — the audited source at commit 4599ef28a2a7 and every finding aboveObserved · 28 Oct 2026

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