// Generate and edit images using Google's Nano Banana 2 (Gemini 3.1 Flash Image Preview) API. This skill should be used when the user asks to create or modify images, especially when they need fast iteration, explicit aspect-ratio control, or resolution control from 512px to 4K.
Use this skill whenever the user wants to operate Google Workspace from the command line with gog/gogcli, including Gmail, Calendar, Drive, Docs, Sheets, Slides, Forms, Apps Script, Chat, Classroom, Contacts, Tasks, People, Groups, Admin, Keep, auth, configuration, scripting, or agent-safe Google automation. Prefer this skill for Google account/file/mail/calendar work when the user mentions gog, gogcli, Google CLI, Gmail search/send, Calendar events, Drive files, Docs/Sheets/Slides editing, Forms, Apps Script, Workspace admin, or command-line Google automation.
Use this skill when the user wants to read or search their Monologue notes through the Monologue Notes REST API. It covers authentication with the MONOLOGUE_API_KEY environment variable, safe token handling, listing notes, fetching a single note, pagination, filters, and error handling. The API is read-only and should be accessed with direct HTTP requests such as curl or any equivalent REST client.
This skill helps with GitHub Copilot SDK work across Node.js/TypeScript, Python, Go, .NET, and Java. It covers setup, authentication, permissions, streaming events, custom tools, custom agents, MCP servers, hooks, skills, and session persistence.
Generate and edit images using Google's Nano Banana 2 (Gemini 3.1 Flash Image Preview) API. This skill should be used when the user asks to create or modify images, especially when they need fast iteration, explicit aspect-ratio control, or resolution control from 512px to 4K.
Initialise a git repository with optional agent commit instructions and .gitignore. Use when users say "here be git", "init git", "initialise git", or otherwise indicate they want to set up version control in the current directory.
This skill provides instructions for interacting with Todoist using the td CLI tool. It covers CRUD operations for tasks/projects/sections/labels/comments, and requires confirmation before destructive actions. Use this skill when the user wants to read, create, update, or delete Todoist data.
| name | nano-banana-2 |
| description | Generate and edit images using Google's Nano Banana 2 (Gemini 3.1 Flash Image Preview) API. This skill should be used when the user asks to create or modify images, especially when they need fast iteration, explicit aspect-ratio control, or resolution control from 512px to 4K. |
Generate new images or edit existing images with Nano Banana 2 (gemini-3.1-flash-image-preview).
Run the script using absolute or workspace-relative path (do NOT cd into the skill directory first):
Generate new image:
uv run ./.agents/skills/nano-banana-2/scripts/generate_image.py --prompt "your image description" --filename "output-name.png" [--resolution 512px|1K|2K|4K] [--aspect-ratio RATIO] [--api-key KEY]
Edit image(s) with references:
uv run ./.agents/skills/nano-banana-2/scripts/generate_image.py --prompt "editing instructions" --filename "output-name.png" --input-image "path/to/input1.png" [--input-image "path/to/input2.png" ...] [--resolution 512px|1K|2K|4K] [--aspect-ratio RATIO] [--api-key KEY]
Always run from the user's current working directory so outputs are saved in the active project context.
Use model code:
gemini-3.1-flash-image-preview (Nano Banana 2)Do not use gemini-3-pro-image-preview in this skill.
Nano Banana 2 supports:
512px (fastest, low-latency iteration)1K (default)2K4KMap common user language:
512px1K2K4KUse uppercase K for 1K, 2K, 4K.
Supported aspect ratios:
1:1, 1:4, 1:8, 2:3, 3:2, 3:4, 4:1, 4:3, 4:5, 5:4, 8:1, 9:16, 16:9, 21:9Map common requests:
1:19:1616:921:92:3 or 3:44:1 or 8:1If unspecified, let the model default behavior apply.
Provide up to 14 reference images when needed by repeating --input-image:
Use one image for simple edits; use multiple images for composition or consistency-sensitive tasks.
Resolve API key in this order:
--api-key argumentGEMINI_API_KEY environment variableIf no key is available, stop and report a clear error.
Generate filenames as: yyyy-mm-dd-hh-mm-ss-name.png
Examples:
2026-02-26-17-31-04-japanese-garden.png2026-02-26-17-31-59-social-banner.pngFor generation, pass the user's request as-is unless critically underspecified. For editing, include explicit transformation instructions in the prompt and preserve the original intent.
--filename)Create a 4K widescreen image:
uv run ./.agents/skills/nano-banana-2/scripts/generate_image.py --prompt "Futuristic city skyline at blue hour with neon reflections" --filename "2026-02-26-17-45-00-futuristic-skyline.png" --resolution 4K --aspect-ratio 16:9
Edit with multiple references:
uv run ./.agents/skills/nano-banana-2/scripts/generate_image.py --prompt "Create a polished campaign image that keeps the exact logo details and character identity" --filename "2026-02-26-17-50-10-campaign-image.png" --input-image "logo.png" --input-image "character.png" --resolution 2K --aspect-ratio 4:5