nanobanana-mcp-server

An MCP server that provides AI image generation using Google Gemini models with intelligent model selection, aspect ratio control, and support for high-quality outputs up to 4K.

→ zzgael/nanobanana-mcp-server · listed on glama

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// key findings

✅

4 tools verified — handlers match their declared behaviour

3 read-only tools verified — handlers contain no write/delete/exec

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

✅

Open source with a license and README

Anyone can audit the code, the license is declared, and the publisher documents what it does.

🔐

You'll be asked for 2 credentials: GEMINI_API_KEY, GOOGLE_API_KEY

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configNANOBANANA_AUTH_METHOD— Nano Banana supports two authentication methods via :

🔐 secretGEMINI_API_KEY— 1. API Key (api_key): Uses . Best for local development and simple deployments.

🔐 secretGOOGLE_API_KEY

configGCP_PROJECT_ID— your-project-id

configGOOGLE_CLOUD_PROJECT

configGCP_REGION— us-central1 (default)

configGOOGLE_CLOUD_LOCATION

configIMAGE_OUTPUT_DIR— /path/to/image/directory # Default: ~/nanobanana-images

configFASTMCP_TRANSPORT

configFASTMCP_HOST

configFASTMCP_PORT

configFASTMCP_MASK_ERRORS

configNANOBANANA_MODEL— auto # Options: flash, pro, auto (default: auto)

configLOG_LEVEL— INFO # DEBUG, INFO, WARNING, ERROR

configLOG_FORMAT— standard # standard, json, detailed

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 4 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/zzgael-nanobanana-mcp-server-1nfvc6)](https://m8ven.ai/mcp/zzgael-nanobanana-mcp-server-1nfvc6)

commit: 2e7f6c0a7a96817f305c2037a6bd654feca5eae6

code hash: 2c2ff0634ba3aeff1858d8563bc4d5200c8eb81fb603d1636cb6bd40c6985ed1

verified: 6/22/2026, 1:02:51 PM

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