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Ultimate Gemini MCP

Image generation with Google Gemini 3.1 Flash: 512px-4K, reference images, search grounding

nikshipsnikships/ultimate-image-gen-mcp★ 14Updated Sep 23, 2026

server.json

{
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "name": "io.github.nikships/ultimate-image-gen-mcp",
  "description": "Image generation with Google Gemini 3.1 Flash: 512px-4K, reference images, search grounding",
  "title": "Ultimate Gemini MCP",
  "repository": {
    "url": "https://github.com/nikships/ultimate-image-gen-mcp",
    "source": "github",
    "id": "1083341252"
  },
  "version": "6.0.21",
  "websiteUrl": "https://github.com/nikships/ultimate-image-gen-mcp",
  "packages": [
    {
      "registryType": "pypi",
      "identifier": "ultimate-gemini-mcp",
      "version": "6.0.21",
      "runtimeHint": "uvx",
      "transport": {
        "type": "stdio"
      },
      "environmentVariables": [
        {
          "description": "Google Gemini API key (free tier at https://aistudio.google.com/apikey). Also accepts GOOGLE_API_KEY.",
          "isRequired": true,
          "format": "string",
          "isSecret": true,
          "name": "GEMINI_API_KEY"
        },
        {
          "description": "Directory where generated images are saved",
          "format": "filepath",
          "default": "~/gemini_images",
          "name": "OUTPUT_DIR"
        },
        {
          "description": "Default resolution for generated images",
          "format": "string",
          "default": "2K",
          "choices": [
            "512px",
            "1K",
            "2K",
            "4K"
          ],
          "name": "DEFAULT_IMAGE_SIZE"
        },
        {
          "description": "Default Gemini image model",
          "format": "string",
          "default": "gemini-3.1-flash-image-preview",
          "name": "DEFAULT_MODEL"
        },
        {
          "description": "Automatically enhance prompts with Gemini Flash before generation",
          "format": "boolean",
          "default": "false",
          "name": "ENABLE_PROMPT_ENHANCEMENT"
        },
        {
          "description": "Enable Google Search grounding by default (real-time data like weather, events)",
          "format": "boolean",
          "default": "false",
          "name": "ENABLE_GOOGLE_SEARCH"
        },
        {
          "description": "API request timeout in seconds",
          "format": "number",
          "default": "60",
          "name": "REQUEST_TIMEOUT"
        },
        {
          "description": "Max parallel requests in batch mode",
          "format": "number",
          "default": "8",
          "name": "MAX_BATCH_SIZE"
        },
        {
          "description": "Logging level",
          "format": "string",
          "default": "INFO",
          "choices": [
            "DEBUG",
            "INFO",
            "WARNING",
            "ERROR"
          ],
          "name": "LOG_LEVEL"
        }
      ]
    }
  ]
}

Permissions

DeclaredDetected
Runs code—python
Installs—pypi:ultimate-gemini-mcp@6.0.21
Runs install scripts—None
NetworkNoneNone
Needs credentialsGEMINI_API_KEYGEMINI_API_KEY
Outside the workspace—None
Agent tools—None

Checks

Low risk · Nothing worth a warning was found.

Not reviewed by a person · Checked by rules; the model review is not switched on yet.

Versions

  1. #16.0.21latestOct 7, 2026