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smithery/CaptainCrouton89

Generating Item Images

Generate AI-powered item images for Mystica game using Gemini with R2-hosted reference images. Use when creating item assets, generating game art, or when user mentions "item image", "generate image", "Mystica items", or "game assets".

Installation

$ npx skills add smithery/CaptainCrouton89 --skill generating-item-images
View on skills.sh ↗ Website ↗

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Also in this package

Other skills from smithery/CaptainCrouton89 · top by installs.

npx skills add smithery/CaptainCrouton89
Subagent System 0 Writing Slash Commands 0 Writing Like User 0 Writing Effective Prompts 0 Writing Documentation for LLMs 0 Wrangler R2 Guide 0 Vercel CLI Management 0 TypeScript SDK Reference 0 Subagents Guide 0 Skills Guide 0

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More details

Agent compatibility

Declared targets from SKILL.md / docs. Unmarked agents are not listed — the skill may still install via the CLI.

Claude Code Not declared
Cursor Not declared
Codex Not declared
GitHub Copilot Not declared
Windsurf Not declared
Gemini CLI Not declared
Cline Not declared
OpenCode Not declared

Package contents

Files included with this skill beyond the listing page.

  • skill md SKILL.md 4,208 B
  • docs SUMMARY.md 265 B

History

  1. First recorded snapshot · 0 installs

SKILL.md

Generating Item Images

Generate consistent AI-powered item images for Mystica using Gemini with style reference images.

Quick Start

npx tsx scripts/generate-image.ts \
  --type "ITEM_TYPE" \
  --materials "material1,material2" \
  --provider gemini \
  -r "https://pub-1f07f440a8204e199f8ad01009c67cf5.r2.dev/image-refs/IMG_0821.png,https://pub-1f07f440a8204e199f8ad01009c67cf5.r2.dev/image-refs/IMG_2791.png,https://pub-1f07f440a8204e199f8ad01009c67cf5.r2.dev/image-refs/IMG_4317.png,https://pub-1f07f440a8204e199f8ad01009c67cf5.r2.dev/image-refs/IMG_5508.png,https://pub-1f07f440a8204e199f8ad01009c67cf5.r2.dev/image-refs/IMG_9455.png"

Required Parameters

Parameter Source Example
--type docs/seed-data-items.json "Gatling Gun", "Umbrella"
--materials docs/seed-data-materials.json "cocaine,lava,plasma" (1-3 materials)
--provider Always gemini gemini
-r Always all 5 URLs below See Quick Start

Optional Parameters

Parameter Default Purpose
--aspect-ratio Auto "2:3" for portrait items
--format png jpg for smaller files
-o scripts/output/gemini-{timestamp}.png Custom output path

Examples

Epic-tier weapon:

npx tsx scripts/generate-image.ts \
  --type "Gatling Gun" \
  --materials "cocaine,lava,plasma" \
  --provider gemini \
  -r "https://pub-1f07f440a8204e199f8ad01009c67cf5.r2.dev/image-refs/IMG_0821.png,https://pub-1f07f440a8204e199f8ad01009c67cf5.r2.dev/image-refs/IMG_2791.png,https://pub-1f07f440a8204e199f8ad01009c67cf5.r2.dev/image-refs/IMG_4317.png,https://pub-1f07f440a8204e199f8ad01009c67cf5.r2.dev/image-refs/IMG_5508.png,https://pub-1f07f440a8204e199f8ad01009c67cf5.r2.dev/image-refs/IMG_9455.png"

Output: scripts/output/gemini-{timestamp}.png → "Molten Vaporizer"

Uncommon utility item:

npx tsx scripts/generate-image.ts \
  --type "Umbrella" \
  --materials "bubble,slime" \
  --provider gemini \
  -r "https://pub-1f07f440a8204e199f8ad01009c67cf5.r2.dev/image-refs/IMG_0821.png,https://pub-1f07f440a8204e199f8ad01009c67cf5.r2.dev/image-refs/IMG_2791.png,https://pub-1f07f440a8204e199f8ad01009c67cf5.r2.dev/image-refs/IMG_4317.png,https://pub-1f07f440a8204e199f8ad01009c67cf5.r2.dev/image-refs/IMG_5508.png,https://pub-1f07f440a8204e199f8ad01009c67cf5.r2.dev/image-refs/IMG_9455.png"

Output: scripts/output/gemini-{timestamp}.png → "Slimebub Umbrella"

Material Reference

Common: coffee, gum, feather, button, candle, pizza Uncommon: matchapowder, bubble, slime, propeller, magnet Rare: rainbow, lava, ghost, shadow, goo, cocaine, lube, void Epic: diamond, lightning, laserbeam, stardust, plasma

Complete list with stat modifiers: docs/seed-data-materials.json

Prerequisites

# Required in .env
REPLICATE_API_TOKEN=your_token
OPENAI_API_KEY=your_key

R2 bucket mystica-assets already configured at https://pub-1f07f440a8204e199f8ad01009c67cf5.r2.dev/

R2 Management

Quick Upload:

cd docs/image-refs

# Upload all images to R2 (remote)
for file in IMG_*.png; do
  wrangler r2 object put "mystica-assets/image-refs/$file" --file="$file" --remote
done

# Verify uploads
curl -I "https://pub-1f07f440a8204e199f8ad01009c67cf5.r2.dev/image-refs/IMG_0821.png"

Complete R2 Guide: See the Wrangler R2 Guide skill - Comprehensive Wrangler CLI reference with all bucket operations, CORS config, troubleshooting, and cost info.

Advanced Reference

  • R2 CLI Guide: Wrangler R2 Guide skill (complete Wrangler reference)
  • R2 Setup Details: docs/external/r2-image-hosting.md (integration guide)
  • Workflow Details: docs/ai-image-generation-workflow.md
  • Script Source: scripts/generate-image.ts
  • Description Generator: scripts/generate-item-description.ts