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Generate arbitrary graphic assets using Google's Nano Banana (Gemini image generation). Use for logos, icons, illustrations, UI elements, or any one-off graphics.
Codex または Claude でインストール この Prompt をコピーして Codex、Claude、または他のアシスタントに貼り付けると、Skill ページを確認してインストールできます。
SOC 職業分類に基づく
Answer in a simple, concise voice, no filler or hedging. Persisted per project or per user, in prose-only, prose+code, or laconic-code (code-first) mode. A per-turn reminder refocuses the voice mid-session (cadence configurable). Invoke via /laconic (on|off|status|mode|cadence).
Restate the last message in plain human language, with no jargon.
Surface unaddressed threads from the conversation — bugs mentioned but not fixed, deferred decisions, dropped nits, cross-workstream dependencies, unverified claims, and promised-but-not-done items — as a tight, skimmable report. Reports; never edits code. Use when the user says "loose ends", "any loose ends", "what did we leave hanging", "what didn't we get to", "what got dropped", "open threads", "unaddressed items", "what did we punt on", or "/loose-ends".
Interactive file cleanup for Downloads, Desktop, and Documents, plus stale git worktree cleanup. Goes item-by-item proposing delete, move, or keep. Use when user says "clean up my computer", "organize my downloads", "help me declutter", "what's in my Downloads", "file cleanup", or "clean up old worktrees".
Scan recent conversation transcripts for safe commands that could be auto-allowed by your CLI agent (Claude Code, Codex, Cursor, …), preview the proposed allowlist changes, then write them to the right config. Use when the user says "reduce permission prompts", "auto-allow safe commands", "optimize permissions", or "/optimize-permissions".
One skill for committing work and opening PRs. Two modes — normal (default) commits your conversation changes, pushes, and opens a single PR against the trunk; stacked turns the same command into a stacked-PR workflow (checkpoint slices, submit, sync, bottom-up merge). Toggle with /pr setup. Any PR can be opened as a draft with --draft (-d), or make drafts the default with /pr setup. Also ships a diff-size nudge hook toward /pr when the uncommitted diff grows large. Agent-callable — an agent working through a task should invoke this to ship a finished slice — `checkpoint`/`commit` at each logical seam to land a stacked PR and continue on a fresh branch, or `update` to commit and open/refresh a single PR. Reach for it when a unit of work is complete or the user asks to commit, push, checkpoint, or open a PR. Do not autonomously run `merge` (it lands PRs into trunk) unless the user asks. Runs under both Claude Code and Gemini CLI (install with --agent gemini). Uses git stack when installed, falls back to gh + g
| name | nano-banana-generator |
| description | Generate arbitrary graphic assets using Google's Nano Banana (Gemini image generation). Use for logos, icons, illustrations, UI elements, or any one-off graphics. |
Generate arbitrary graphic assets using Google's Nano Banana (Gemini image generation API).
export GEMINI_API_KEY="your-api-key"
The script reads the key from the environment only — never hard-code it or pass it as an argument.
# Basic usage - provide a prompt
bun "${CLAUDE_SKILL_DIR}/scripts/generate.ts" "Art Deco logo for City Tycoon game"
# Specify output path
bun "${CLAUDE_SKILL_DIR}/scripts/generate.ts" "icon of a golden skyscraper" --output ./logo.png
# Specify dimensions
bun "${CLAUDE_SKILL_DIR}/scripts/generate.ts" "game title banner" --width 800 --height 200
# Use higher quality model
bun "${CLAUDE_SKILL_DIR}/scripts/generate.ts" "detailed illustration" --model nano-banana-pro
# Request transparent background
bun "${CLAUDE_SKILL_DIR}/scripts/generate.ts" "app icon" --transparent
# Image-to-image editing
bun "${CLAUDE_SKILL_DIR}/scripts/generate.ts" "add flowers to grass" --input ./grass.png --output ./grass_flowers.png
| Option | Short | Description |
|---|---|---|
--output <path> | -o | Output file path (default: ./output.png) |
--input <path> | -i | Input image for image-to-image editing |
--width <px> | -w | Image width (default: 512) |
--height <px> | -h | Image height (default: 512) |
--model <name> | -m | Model: nano-banana (default) or nano-banana-pro |
--transparent | -t | Request transparent PNG background |
--style <desc> | -s | Add style modifier to prompt |
--help | Show help |
| Model | ID | Best For |
|---|---|---|
| Nano Banana | gemini-2.5-flash-image | Fast iteration, testing |
| Nano Banana Pro | gemini-3-pro-image-preview | Final assets, higher quality |
bun "${CLAUDE_SKILL_DIR}/scripts/generate.ts" \
"Art Deco emblem with stylized city skyline, gold and navy colors, geometric sunburst" \
--output ./public/assets/logo.png \
--transparent
bun "${CLAUDE_SKILL_DIR}/scripts/generate.ts" \
"Art Deco title banner with text 'CITY TYCOON' in bold geometric typeface, gold on navy" \
--width 800 --height 200 \
--output ./public/assets/title.png
bun "${CLAUDE_SKILL_DIR}/scripts/generate.ts" \
"Minimalist isometric building icon, Art Deco style" \
--width 256 --height 256 \
--transparent \
--output ./public/icon.png
--transparentnano-banana-pro for final production assets