# io.github.getjoystick/nanobanana-mcp (npm · @nanobanana/mcp)

Lean MCP server for Google's Nano Banana (Gemini) image models. Returns file paths, not base64.

- Trust score: 67/100 (medium)
- Change this week: +21
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-08-03

## Components

- npm · `@nanobanana/mcp`: 67/100 (this document), [markdown](https://verifymcp.io/servers/getjoystick-nanobanana-mcp/nanobanana-mcp.md), [page](https://verifymcp.io/servers/getjoystick-nanobanana-mcp/nanobanana-mcp)

## Channel facts

- Registry: `npm`
- Package: `@nanobanana/mcp`
- Version: `0.1.2`
- Transport: `stdio`

## Trust breakdown

How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, and we only credit what we can confirm. Scores are 0–100 per category. Scoring method: https://verifymcp.io/docs/scoring (what has changed: https://verifymcp.io/docs/scoring/changelog)

Scored 2026-08-03.

- **Supply Chain Security**: 87/100
  - No malware found by supply-chain analysis.
  - Only part of the dependency tree could be resolved (135 of 139), so this covers what we could see, not the whole tree.
  - No install/post-install scripts declared.
  - Only part of the dependency tree could be resolved (135 of 139), so this covers what we could see, not the whole tree.
- **Provenance & Transparency**: 45/100
  - Source repository is publicly reachable at the declared URL.
  - Provenance check failed: no build-provenance attestation is published.
  - Clear OSI-approved license (MIT).
  - Actively maintained (last published 31 days ago).
  - Disclosure check failed: no security disclosure policy was found in the source repository.
- **Schema Quality & AI Usability**: 66/100
  - AI-judged instruction clarity (good).
  - Tool/resource definitions use about 336 tokens (~112/item across 3 items; 3 tools + 0 resources), lean.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 27/100
  - Stability observed for 8 of 30 days with no destabilising changes; credit accrues until the full window elapses.
- **Tool Coverage**: 100/100
  - 100% of tools have a non-trivial description (not blank, and not just the tool's name).
  - 100% of tool parameters carry a description.
- **Capabilities**: 100/100
  - Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.

## Install

### Claude

```bash
claude mcp add getjoystick-nanobanana-mcp -- npx -y @nanobanana/mcp
```

### Codex

```bash
codex mcp add getjoystick-nanobanana-mcp -- npx -y @nanobanana/mcp
```

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "getjoystick-nanobanana-mcp": {
      "type": "local",
      "command": [
        "npx",
        "-y",
        "@nanobanana/mcp"
      ],
      "enabled": true
    }
  }
}
```

### OpenClaw

```bash
openclaw mcp add getjoystick-nanobanana-mcp --command npx --arg -y --arg @nanobanana/mcp
```

### Hermes

```yaml
mcp_servers:
  getjoystick-nanobanana-mcp:
    command: "npx"
    args: ["-y", "@nanobanana/mcp"]
```

### Other

```json
{
  "mcpServers": {
    "getjoystick-nanobanana-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@nanobanana/mcp"
      ]
    }
  }
}
```

## Changelog

Every change recorded for this component, newest first. Days that predate change tracking, or that we cannot explain, say so: "we were watching and nothing happened" and "we were not watching" are different claims.

### 2026-08-03 (score 67, +4)

- [functional improvement] Stability: unverified → 0.27

### 2026-08-02 (score 63, +19)

- [security regression] Known CVEs: partial → unverified
- [security improvement] Malware scan: unverified → pass
- [security] Stability: Stability not yet verified: we do not have a sandbox capture of the MCP schema this version of the package serves yet.
- [functional regression] Capabilities: pass → unverified
- [functional regression] Tool coverage: 100 → unverified
- [functional improvement] Schema quality: unverified → good

### 2026-08-01 (score 44, +39)

- [security regression] Provenance: unverified → fail
- [security improvement] Install scripts: unverified → pass
- [security improvement] Known CVEs: unverified → partial
- [security] Stability: Stability not yet verified: not enough scan history yet (needs a 30-day window).
- [functional improvement] MCP protocol: unverified → pass
- [functional improvement] Tool coverage: unverified → 100
- [functional improvement] License: unverified → pass
- [functional improvement] Dependency health: unverified → partial
- [functional improvement] Maintenance: unverified → pass
- [functional] Licence: MIT

### 2026-07-31 (score 5, −19)

- [functional] We updated how we score, so this day's move reflects our rubric, not a change to the server

### 2026-07-30 (score 24, −22)

- [functional regression] Tool coverage: 100 → unverified
- [functional] First check of Schema quality: unverified

### 2026-07-27 (score 46)

First indexed and scored.

## MCP tools (3)

### `generate_image` (~143 tokens)

Generate an image from a text prompt. Saves to disk and returns the file path.

Input parameters:

- `aspectRatio` (string): e.g. 1:1, 16:9, 9:16, 4:3, 21:9
- `filename` (string): Base filename without extension
- `grounding` (boolean): Ground with Google Search for factual accuracy
- `model` (string): Gemini image model id (default: gemini-3.1-flash-image)
- `outputDir` (string): Save directory (default: ./nano-banana)
- `prompt` (string, required): Image description
- `size` (string): Output resolution

### `edit_image` (~173 tokens)

Edit or combine images per a text prompt. First image is the base; any others are references (style, characters, objects). Saves to disk and returns the file path.

Input parameters:

- `aspectRatio` (string): e.g. 1:1, 16:9, 9:16, 4:3, 21:9
- `filename` (string): Base filename without extension
- `grounding` (boolean): Ground with Google Search for factual accuracy
- `images` (array, required): Input image file path(s)
- `model` (string): Gemini image model id (default: gemini-3.1-flash-image)
- `outputDir` (string): Save directory (default: ./nano-banana)
- `prompt` (string, required): Edit instruction
- `size` (string): Output resolution

### `list_models` (~20 tokens)

List Gemini image model ids usable with generate_image/edit_image.

## Diagnostics

Captured diagnostic sections: Provenance, Dependencies. The full working is on the page: https://verifymcp.io/servers/getjoystick-nanobanana-mcp/nanobanana-mcp#diagnostics

## Score history

- 2026-08-03: 67
- 2026-08-02: 63
- 2026-08-01: 44
- 2026-07-31: 5
- 2026-07-30: 24
- 2026-07-28: 46
- 2026-07-27: 46

## Links

- npm package: https://www.npmjs.com/package/@nanobanana/mcp
- Socket report: https://socket.dev/npm/package/@nanobanana/mcp
- Repository: https://github.com/getjoystick/nanobanana-mcp
- Changelog RSS feed: https://verifymcp.io/servers/getjoystick-nanobanana-mcp/nanobanana-mcp/changelog.xml
- Changelog JSON feed: https://verifymcp.io/servers/getjoystick-nanobanana-mcp/nanobanana-mcp/changelog.json
- HTML version of this page: https://verifymcp.io/servers/getjoystick-nanobanana-mcp/nanobanana-mcp