nanobanana

Automate StudioJinsei visual generation via Google Gemini API CLI.

Updated Dec 18, 2025
One-click install
npx skills add https://github.com/StudioJinsei-Official/line-pj --skill nanobanana-studiojinsei-official
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: nanobanana
Source: https://github.com/StudioJinsei-Official/line-pj/tree/main/.claude/nanobanana-base
Command: npx skills add https://github.com/StudioJinsei-Official/line-pj --skill nanobanana-studiojinsei-official

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires google-genai.

What problem does it solve?

Automates StudioJinsei visual generation using Google Gemini API to produce logos, Kotone-chan illustrations, and site visuals, removing manual, repetitive design tasks.

Core Features & Use Cases

  • Generate logos, character illustrations, and site visuals with deterministic results via a CLI workflow.
  • Integrate with a StudioJinsei brand foundation to ensure consistent visuals across projects.
  • Use case: Create a logo concept, a Kotone-chan illustration, and a hero image for a new campaign in a single run.

Quick Start

Run the Nanobanana setup to generate your first StudioJinsei visual using a sample prompt.

Frequently Asked Questions about nanobanana

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I automate image generation for brand visuals using the Gemini API?

Automating brand visual generation with the Gemini API is done by running CLI workflow commands that produce deterministic logos and site visuals. This process eliminates manual design tasks by integrating directly with your brand foundation.

Do I need a specific Python environment to use the Gemini API for logo design?

Yes, generating logos via the Gemini API requires a Python 3.x environment. You must also install the google-genai library and set your GOOGLE_API_KEY to authenticate API requests for your visual generation workflow.

Can I produce consistent character illustrations with prompt engineering and the Gemini API?

Yes, you can achieve deterministic character illustrations like Kotone-chan by applying prompt engineering techniques. The CLI workflow leverages the Gemini API to ensure visual consistency across different generation runs for your brand.

How to generate a logo concept and a hero image in a single run?

To generate multiple brand visuals in a single run, execute the Nanobanana CLI setup with a comprehensive sample prompt. This workflow instructs the Gemini API to sequentially output your logo, character illustration, and site visuals.

What are the limitations of using a CLI workflow for site visual generation?

Using a CLI workflow for site visual generation limits you to deterministic prompt-based outputs and requires bash tooling for read and write operations. Visual complexity is bounded by the Gemini API's image generation capabilities and prompt constraints.

Does this Gemini API workflow support bash read and write tooling for image generation?

Yes, the visual generation workflow supports bash read, write, and glob tooling. This allows the CLI to automate file handling operations when saving generated logos and character illustrations locally via the Google Gemini API.