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Image GenSAFE

mcp/ichigo3766/image-gen-1
MCP server by ichigo3766 · Audited 2026-10-08
⚑ Report / re-scanSource ↗

A MCP server that provides text-to-image generation capabilities using Stable Diffusion WebUI API (ForgeUI/AUTOMATIC-1111)

Verdict
SAFE
Grade
B
Trust score
89 /100
Exposed tools
5 4r · 1w · 0d
Transport
stdio
License
MIT
Stars
44
01

Overview

From the repository's own README, as read at the audited commit. Badges and raw HTML are left out.

A MCP server that provides text-to-image generation capabilities using Stable Diffusion WebUI API (ForgeUI/AUTOMATIC-1111).

Installation

Prerequisites

  • Node.js
  • Access to a Stable Diffusion WebUI instance with API enabled
  • The WebUI must have --api flag enabled when starting

Setup

  1. Clone the repository:
git clone https://github.com/Ichigo3766/image-gen-mcp.git
cd image-gen-mcp
  1. Install dependencies:
npm install
  1. Build the server:
npm run build
  1. Add the server configuration to your environment:
{
"mcpServers": {
"image-gen": {
"command": "node",
"args": [
"/path/to/image-gen-mcp/build/index.js"
],
"env": {
"SD_WEBUI_URL": "http://your-sd-webui-url:7860",
"SD_AUTH_USER": "your-username",  // Optional: if authentication is enabled
"SD_AUTH_PASS": "your-password",  // Optional: if authentication is enabled
"SD_OUTPUT_DIR": "/path/to/output/directory",
"SD_RESIZE_MODE": "0",           // Optional: upscaling mode (0=multiplier, 1=dimensions)
"SD_UPSCALE_MULTIPLIER": "4",    // Optional: default upscale multiplier
"SD_UPSCALE_WIDTH": "512",       // Optional: default upscale width
"SD_UPSCALE_HEIGHT": "512",      // Optional: default upscale height
"SD_UPSCALER_1": "R-ESRGAN 4x+", // Optional: default primary upscaler
"SD_UPSCALER_2": "None"          // Optional: default secondary upscaler
}
}
}
}

Replace the environment variables with your values:

  • SD_WEBUI_URL: URL of your Stable Diffusion WebUI instance
  • SD_AUTH_USER: Username for basic auth (if enabled)
  • SD_AUTH_PASS: Password for basic auth (if enabled)
  • `SDOUTPUTD
Read from source at commit 50001cb5a178OBSERVED · 2026-10-08
02

Connect

Built from this server's own package name, version and transport as found in its source — not copied from anyone's documentation, so it cannot drift against a page we do not control. Replace the environment placeholders with a token scoped to the least it needs.

claude-code
claude mcp add image-gen --env SD_AUTH_PASS=${SD_AUTH_PASS} --env SD_AUTH_USER=${SD_AUTH_USER} -- npx -y [email protected]
claude-desktop
{
  "mcpServers": {
    "image-gen": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "SD_AUTH_PASS": "${SD_AUTH_PASS}",
        "SD_AUTH_USER": "${SD_AUTH_USER}"
      }
    }
  }
}
03

Exposed tools (5)

4 read · 1 write · 0 destructive.

ToolRiskDescription
generate_imagereadGenerate an image using Stable Diffusion
get_sd_modelsreadGet list of available Stable Diffusion models
get_sd_upscalersreadGet list of available upscaler models
set_sd_modelwriteSet the active Stable Diffusion model
upscale_imagesreadUpscale one or more images using Stable Diffusion
04

Trust audit

SAFEgrade B · trust 89/100 Nothing in the source contradicts what it says it does. Grade A is reserved for packages that have also passed the behavioural sandbox.

LayerWhat it checksResult
L0Provenance & inventoryPASS
L1Static analysis of the codeWARN
L2Instruction surface (what it tells the agent)PASS
L3Class-specific surfacePASS
L4Behavioural (sandbox)SKIPPED

What the source does

Filesystem
none-observed
Network
declared (3 observation(s))
Shell
none-observed
Dependencies
not all pinned
Secrets in source
none-found

Findings (2)

MEDIUMNetwork egress · net.raw_ip · CWE-200, CWE-319
src/index.ts:17
const SD_WEBUI_URL = process.env.SD_WEBUI_URL || 'http://127.0.0.1:7860';
LOWSupply chain · supply.unpinned · CWE-829, CWE-1357
package.json
@modelcontextprotocol/sdk, @types/node, @types/sharp, axios, form-data, sharp, typescript
Why it matters. 7 dependency range(s) float
Fix. pin exact versions or ship a lockfile

Gates applied: no_behavioural_pass.

Audited 2026-10-08 · audit v0.4.1 · source sha 50001cb5a178full audit observations/trust-audit/mcp-server/ichigo3766__image-gen-1.json · Report an issue / request a re-scan
05

Audit history

Every audit this server has had. A grade with a past is a grade somebody is still checking.

DateSourceVerdictGradeScoreChange
2026-10-0850001cb5a178SAFEB89first audit
06

Questions

What is the Image Gen MCP server?

A MCP server that provides text-to-image generation capabilities using Stable Diffusion WebUI API (ForgeUI/AUTOMATIC-1111)

What tools does Image Gen expose?

5 in total: 4 read-only, 1 that write, and 0 that can delete or overwrite. Every one is listed on this page with its risk.

Is Image Gen safe to connect to an agent?

The audit found nothing in the source that contradicts what it says it does, and graded it B (89/100). Grade A is held back for packages that have also passed a sandboxed behavioural run, which is why a clean server reads B.

What credentials does Image Gen need?

It reads SD_AUTH_PASS and SD_AUTH_USER from the environment. Give it a token scoped to the least it needs — an agent that can be talked into calling a tool can be talked into calling it with your credentials.

How does Image Gen run?

It speaks stdio, so it runs as a local process your client starts. It is published on npm as image-gen at 0.1.0.

How current is this page?

The grade is for one exact copy of the source (50001cb5a178), read on 2026-10-08. The repository is watched and re-audited when it changes.

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