SkillsAdd

smithery/cnemri

nano-banana-use

Generate, edit, and compose images using Gemini Nano Banana models via portable Python scripts.

Installation

$ npx skills add smithery/cnemri --skill nano-banana-use
View on skills.sh ↗ Website ↗

Summary

  • Generate, edit, and compose images using Gemini Nano Banana models via portable Python scripts.
  • Handles authentication via API Key or Vertex AI environment variables.
  • Available parameters: prompt, model, aspect-ratio, safety-filter-level.
  • Always confirm parameters with the user or explicitly state defaults before running.

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Also in this package

Other skills from smithery/cnemri.

npx skills add smithery/cnemri
veo-use 0 veo-build 0 speech-use 0 speech-build 0 nano-banana-build 0 google-genai-sdk-python 0

Browse all from smithery/cnemri

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 2,348 B
  • docs SUMMARY.md 346 B

History

  1. First recorded snapshot · 0 installs

SKILL.md

Nano Banana Use

Use this skill to generate, edit, and compose images using Gemini's Nano Banana models (gemini-2.5-flash-image and gemini-3-pro-image-preview).

This skill uses portable Python scripts managed by uv.

Prerequisites

Ensure you have one of the following authentication methods configured in your environment:

  1. API Key:

- GOOGLEAPIKEY or GEMINIAPIKEY

  1. Vertex AI:

- GOOGLECLOUDPROJECT - GOOGLECLOUDLOCATION - GOOGLEGENAIUSE_VERTEXAI=1

Usage

Generate an Image

Step 1: Confirm Parameters Before running the script, confirm the following parameters with the user or state the defaults you will use:

  • Prompt: The image description.
  • Model: Default is gemini-3-pro-image-preview.
  • Aspect Ratio: Default is 1:1.
  • Safety Filter: Default is BLOCKMEDIUMAND_ABOVE.

Step 2: Run the Script Run the python script using uv:

uv run skills/nano-banana-use/scripts/generate_image.py "A futuristic banana city" --output city.png

Edit an Image

Modify an existing image based on a text prompt.

uv run skills/nano-banana-use/scripts/edit_image.py original.png "Make the sky purple" --output edited.png

Compose Images

Generate a new image based on multiple input images and a prompt.

uv run skills/nano-banana-use/scripts/compose_image.py --image style.png --image subject.jpg "A painting of the subject in the style of the first image" --output composition.png

Options

  • prompt: The text description of the image.
  • --model: The model to use. Defaults to gemini-3-pro-image-preview.
  • --output: The filename for the saved image. Defaults to generated_image.png.
  • --aspect-ratio: The aspect ratio of the generated image. Defaults to 1:1. Supported: 1:1, 16:9, 4:3, 3:4, 9:16.
  • --safety-filter-level: Safety filter threshold. Defaults to BLOCKMEDIUMAND_ABOVE.