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Stability Ai

Generate high-quality images via Stability AI API (SDXL, SD3, Stable Image Core)

Rating: 4.2 (360 reviews)
Downloads: 763 downloads
Version: 1.0.0

Overview

Generate high-quality images via Stability AI API (SDXL, SD3, Stable Image Core)

Complete Documentation

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Stability AI Skill

Setup

Copy .env.example to .env.
Set STABILITY_API_KEY in .env.
Optional: Set API_HOST if using a custom endpoint.

Usage

Role: Digital Artist.
Trigger: "Draw a cat", "Generate cyberpunk city", "Create an image".
Output: Local file path to the generated image and JSON metadata.

Commands

(The script automatically handles dependencies on first run)

bash

# Basic generation
scripts/generate "A futuristic city with neon lights"

# Aspect ratio (1:1, 16:9, 9:16, 21:9, 4:3, 3:4)
scripts/generate "Landscape painting" --ratio 16:9

# Style preset
scripts/generate "Portrait of a warrior" --style photographic

# Seed for reproducibility
scripts/generate "Abstract art" --seed 42

# Negative prompt
scripts/generate "Beautiful sunset" --negative "blurry, low quality"

# Output format (png, jpg, webp)
scripts/generate "Nature scene" --format webp

# Advanced: Custom model, steps, CFG scale
scripts/generate "Fantasy landscape" \
  --model stable-diffusion-3-medium \
  --steps 50 \
  --cfg 7.0 \
  --ratio 21:9

# V2 API (experimental)
scripts/generate "Modern architecture" --v2

# Combined options
scripts/generate "Cyberpunk street at night" \
  --ratio 16:9 \
  --style neon-punk \
  --seed 123 \
  --format jpg \
  --steps 45 \
  --cfg 6.5

Features

Style Presets

Available styles: enhance, anime, photographic, digital-art, comic-book, fantasy-art, line-art, analog-film, neon-punk, isometric, low-poly, origami, modeling-compound, cinematic, 3d-model, pixel-art, tile-texture

Aspect Ratios

Supported: 1:1 (default), 16:9, 9:16, 21:9, 4:3, 3:4

Output Formats

PNG (default, lossless)
JPEG/JPG (lossy, smaller size)
WebP (modern, efficient)

Metadata

Each generated image includes a JSON metadata file with:

Prompt and negative prompt
Model, parameters, and settings
Generation timestamp
API version used

Models

Default: SDXL 1.0 (stable-diffusion-xl-1024-v1-0)
See references/models.md for complete model list, API versions, and credit costs.

Auto-Cleanup

Automatically keeps the last 20 generated images. Older files and their metadata are removed to save disk space.

Installation

Terminal bash


openclaw install stability-ai

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💻Code Examples

example.sh

# Basic generation
scripts/generate "A futuristic city with neon lights"

# Aspect ratio (1:1, 16:9, 9:16, 21:9, 4:3, 3:4)
scripts/generate "Landscape painting" --ratio 16:9

# Style preset
scripts/generate "Portrait of a warrior" --style photographic

# Seed for reproducibility
scripts/generate "Abstract art" --seed 42

# Negative prompt
scripts/generate "Beautiful sunset" --negative "blurry, low quality"

# Output format (png, jpg, webp)
scripts/generate "Nature scene" --format webp

# Advanced: Custom model, steps, CFG scale
scripts/generate "Fantasy landscape" \
  --model stable-diffusion-3-medium \
  --steps 50 \
  --cfg 7.0 \
  --ratio 21:9

# V2 API (experimental)
scripts/generate "Modern architecture" --v2

# Combined options
scripts/generate "Cyberpunk street at night" \
  --ratio 16:9 \
  --style neon-punk \
  --seed 123 \
  --format jpg \
  --steps 45 \
  --cfg 6.5