Vgl

Maximum control over AI image generation — write structured VGL (Visual Generation Language) JSON that explicitly controls every visual attribute. Define exact object placement, lighting direction, camera angle, lens focal length, composition, color scheme, and artistic style as deterministic JSON instead of ambiguous natural language. Use this skill when you need reproducible image generation, precise control over scene composition, or want to convert a natural language image request into a structured JSON schema for Bria Fibo models. Triggers on requests for structured prompts, controllable

74 stars 7 forksImages, Video & Audio

Install

skills CLI (Claude Code, Cursor, Codex and more)

npx skills add Bria-AI/bria-skill --skill vgl

Manual install

git clone --depth 1 https://github.com/Bria-AI/bria-skill.git /tmp/bria-skill
mkdir -p ~/.claude/skills
cp -r /tmp/bria-skill/skills/vgl ~/.claude/skills/vgl

Personal skills live in ~/.claude/skills. Use .claude/skills in a project folder to share a skill with your team.

From the SKILL.md

# Bria VGL — Full Control Over Image Generation

Define every visual attribute as structured JSON instead of hoping natural language gets it right. VGL (Visual Generation Language) gives you explicit, deterministic control over objects, lighting, camera settings, composition, and style for Bria's Fibo models.

> **Related Skill**: Use **[bria-ai](../bria-ai/SKILL.md)** to execute these VGL prompts via the Bria API. VGL defines the structured control format; bria-ai handles generation, editing, and background removal.

## Core Concept

VGL replaces ambiguous natural language prompts with deterministic JSON that explicitly declares every visual attribute: objects, lighting, camera settings, composition, and style. This ensures reproducible, controllable image generation.

## Operation Modes

| Mode | Input | Output | Use Case |
|------|-------|--------|----------|
| **Generate** | Text prompt | VGL JSON | Create new image from description |
| **Edit** | Image + instruction | VGL JSON | Modify reference image |
| **Edit_with_Mask** | Masked image + instruction | VGL JSON | Fill grey masked regions |
| **Caption** | Image only | VGL JSON | Describe existing image |
| **Refine** | Existing JSON + edit | Updated VGL JSON | Modify existing prompt |

## JSON Schema

Output a single valid JSON object with these required keys:

### 1. `short_description` (String)
Concise summary of image content, max 200 words. Include key subjects, actions, setting, and mood.

Read the full skill on GitHub

Details

Skill name: vgl
Repository: Bria-AI/bria-skill
Path: skills/vgl/SKILL.md
Repo updated: 21 October 2026
Listed in: BehiSecc/awesome-claude-skills, heilcheng/awesome-agent-skills, karanb192/awesome-claude-skills

FAQ

What does the Vgl skill do?

How do I install the Vgl skill?

skills CLI (Claude Code, Cursor, Codex and more): npx skills add Bria-AI/bria-skill --skill vgl. Skills go in ~/.claude/skills (personal) or .claude/skills (project), and Claude loads them automatically when a task matches the description.

Is Vgl popular?

It lives in Bria-AI/bria-skill, which has 74 GitHub stars and 7 forks, and is included in 3 curated skill lists.

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