# Nano Banana OpenRouter Skill

> Generate images using Google's Nano Banana (Gemini 2.5 Flash Image) models via OpenRouter API.

- Skill: `modbender/nano-banana-openrouter-skill` (Agent Skill, multi-file: 8 files)
- Install (CLI): `npx skillmds@latest add modbender/nano-banana-openrouter-skill`
- Raw SKILL.md: https://api.skillmd.com/api/skills/modbender/nano-banana-openrouter-skill/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Integrations & APIs
- Author: modbender (https://skillmd.com/u/modbender)
- Updated: 2026-09-09
- Page: https://skillmd.com/skills/modbender/nano-banana-openrouter-skill

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# Nano Banana OpenRouter Skill

Generate images using Google's **Nano Banana** (Gemini 2.5 Flash Image) models via **OpenRouter API**.

## Configuration

Add the following to your `openclaw.json` (or set the env var `OPENROUTER_API_KEY`):

```json
{
  "skills": {
    "entries": {
      "nano-banana-openrouter": {
        "enabled": true,
        "config": {
          "apiKey": "sk-or-v1-..."  
        },
        "env": {
          "OPENROUTER_API_KEY": "sk-or-v1-..."
        }
      }
    }
  }
}
```

## Usage

**Tool Name:** `nano_banana_generate`

**Examples:**
- "Generate a cyberpunk dragon using Nano Banana."
- "Draw a landscape in 16:9 aspect ratio."
- "Use the preview model to generate a logo for a coffee shop."

## Models

- **Default:** `google/gemini-2.0-flash-exp:free` (Free tier, robust text/code, experimental image support)
- **High Quality:** `google/gemini-2.5-flash-image-preview` (The specific "Nano Banana" image model, paid/credits required)

## Notes
- OpenRouter requires the `HTTP-Referer` and `X-Title` headers (included in this skill).
- `modalities: ["image"]` is sent automatically.