Is Image Generation free?

Yes, Image Generation is free to use.

How do I install Image Generation?

Image Generation is a local plugin. Install it using PyPI package: image-generation-mcp and add the generated configuration snippet to your AI app's MCP config file. Then restart your AI app.

What credentials does Image Generation need?

Image Generation requires the following credentials or environment variables: IMAGE_GENERATION_MCP_READ_ONLY, IMAGE_GENERATION_MCP_SCRATCH_DIR, IMAGE_GENERATION_MCP_DEFAULT_PROVIDER, IMAGE_GENERATION_MCP_OPENAI_API_KEY, IMAGE_GENERATION_MCP_SD_WEBUI_HOST, IMAGE_GENERATION_MCP_SD_WEBUI_MODEL, IMAGE_GENERATION_MCP_A1111_HOST, IMAGE_GENERATION_MCP_A1111_MODEL, FASTMCP_LOG_LEVEL, IMAGE_GENERATION_MCP_SERVER_NAME, IMAGE_GENERATION_MCP_INSTRUCTIONS, IMAGE_GENERATION_MCP_BEARER_TOKEN, IMAGE_GENERATION_MCP_AUTH_MODE, IMAGE_GENERATION_MCP_BASE_URL, IMAGE_GENERATION_MCP_OIDC_CONFIG_URL, IMAGE_GENERATION_MCP_OIDC_CLIENT_ID, IMAGE_GENERATION_MCP_OIDC_CLIENT_SECRET, IMAGE_GENERATION_MCP_OIDC_JWT_SIGNING_KEY, IMAGE_GENERATION_MCP_OIDC_AUDIENCE, IMAGE_GENERATION_MCP_OIDC_REQUIRED_SCOPES, IMAGE_GENERATION_MCP_OIDC_VERIFY_ACCESS_TOKEN, IMAGE_GENERATION_MCP_HTTP_PATH, PUID, PGID. You can find setup instructions on the server detail page.

What AI apps work with Image Generation?

Image Generation uses the Model Context Protocol (MCP) and works with any MCP-compatible AI app, including Claude, ChatGPT / Codex, Gemini, Copilot, Cursor, and more.

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Image Generation

by Pvliesdonk

Developer ToolsModerate5.5MCP RegistryLocal

Free

Server data from the Official MCP Registry

MCP server for AI image generation via OpenAI, Stable Diffusion (SD WebUI), or placeholders.

About

MCP server for AI image generation via OpenAI, Stable Diffusion (SD WebUI), or placeholders.

What You'll Need

Set these up before or after installing:

When true, write-tagged tools (generate_image) are hidden. Set to false to enable image generation.Optional

Environment variable: IMAGE_GENERATION_MCP_READ_ONLY

Directory for saved generated images. Created automatically on first use.Optional

Environment variable: IMAGE_GENERATION_MCP_SCRATCH_DIR

Default provider selection: auto (keyword-based), openai, sd_webui, or placeholder. Deprecated alias 'a1111' is also accepted.Optional

Environment variable: IMAGE_GENERATION_MCP_DEFAULT_PROVIDER

OpenAI API key. Enables the OpenAI provider (gpt-image-1, dall-e-3) when set.Required

Environment variable: IMAGE_GENERATION_MCP_OPENAI_API_KEY

SD WebUI base URL (e.g. http://localhost:7860). Enables the SD WebUI provider when set.Optional

Environment variable: IMAGE_GENERATION_MCP_SD_WEBUI_HOST

SD WebUI checkpoint name for model-aware preset detection (SD 1.5 vs SDXL vs Lightning vs Flux).Optional

Environment variable: IMAGE_GENERATION_MCP_SD_WEBUI_MODEL

Deprecated — use SD_WEBUI_HOST instead. Accepted as fallback.Optional

Environment variable: IMAGE_GENERATION_MCP_A1111_HOST

Deprecated — use SD_WEBUI_MODEL instead. Accepted as fallback.Optional

Environment variable: IMAGE_GENERATION_MCP_A1111_MODEL

Log level for FastMCP internals; app loggers default to INFO, -v overrides both to DEBUG.Optional

Environment variable: FASTMCP_LOG_LEVEL

Server name shown to MCP clients in the initialization response.Optional

Environment variable: IMAGE_GENERATION_MCP_SERVER_NAME

System-level instructions injected into LLM context.Optional

Environment variable: IMAGE_GENERATION_MCP_INSTRUCTIONS

Static bearer token for HTTP authentication.Required

Environment variable: IMAGE_GENERATION_MCP_BEARER_TOKEN

OIDC auth mode: 'remote' (JWKS validation) or 'oidc-proxy' (OAuth proxy). Auto-detected if not set.Optional

Environment variable: IMAGE_GENERATION_MCP_AUTH_MODE

Public base URL for OIDC redirects (e.g. https://mcp.example.com). Required for OIDC.Optional

Environment variable: IMAGE_GENERATION_MCP_BASE_URL

OIDC discovery endpoint URL. Required for OIDC.Optional

Environment variable: IMAGE_GENERATION_MCP_OIDC_CONFIG_URL

OIDC client ID. Required for OIDC.Optional

Environment variable: IMAGE_GENERATION_MCP_OIDC_CLIENT_ID

OIDC client secret. Required for OIDC.Required

Environment variable: IMAGE_GENERATION_MCP_OIDC_CLIENT_SECRET

Signing key for OIDC session JWTs (critical on Linux/Docker).Required

Environment variable: IMAGE_GENERATION_MCP_OIDC_JWT_SIGNING_KEY

Expected JWT audience claim. Leave unset if your provider does not set one.Optional

Environment variable: IMAGE_GENERATION_MCP_OIDC_AUDIENCE

Comma-separated required OIDC scopes (default: openid for oidc-proxy mode, none for remote mode).Optional

Environment variable: IMAGE_GENERATION_MCP_OIDC_REQUIRED_SCOPES

Verify access token JWT instead of id_token.Optional

Environment variable: IMAGE_GENERATION_MCP_OIDC_VERIFY_ACCESS_TOKEN

HTTP endpoint mount path for streamable-HTTP transport.Optional

Environment variable: IMAGE_GENERATION_MCP_HTTP_PATH

Run as this UID (Docker entrypoint).Optional

Environment variable: PUID

Run as this GID (Docker entrypoint).Optional

Environment variable: PGID

How to Install

Add this to your MCP configuration file:

{
  "mcpServers": {
    "io-github-pvliesdonk-image-generation-mcp": {
      "env": {
        "PGID": "your-pgid-here",
        "PUID": "your-puid-here",
        "FASTMCP_LOG_LEVEL": "your-fastmcp-log-level-here",
        "IMAGE_GENERATION_MCP_BASE_URL": "your-image-generation-mcp-base-url-here",
        "IMAGE_GENERATION_MCP_AUTH_MODE": "your-image-generation-mcp-auth-mode-here",
        "IMAGE_GENERATION_MCP_HTTP_PATH": "your-image-generation-mcp-http-path-here",
        "IMAGE_GENERATION_MCP_READ_ONLY": "your-image-generation-mcp-read-only-here",
        "IMAGE_GENERATION_MCP_A1111_HOST": "your-image-generation-mcp-a1111-host-here",
        "IMAGE_GENERATION_MCP_A1111_MODEL": "your-image-generation-mcp-a1111-model-here",
        "IMAGE_GENERATION_MCP_SCRATCH_DIR": "your-image-generation-mcp-scratch-dir-here",
        "IMAGE_GENERATION_MCP_SERVER_NAME": "your-image-generation-mcp-server-name-here",
        "IMAGE_GENERATION_MCP_BEARER_TOKEN": "your-image-generation-mcp-bearer-token-here",
        "IMAGE_GENERATION_MCP_INSTRUCTIONS": "your-image-generation-mcp-instructions-here",
        "IMAGE_GENERATION_MCP_OIDC_AUDIENCE": "your-image-generation-mcp-oidc-audience-here",
        "IMAGE_GENERATION_MCP_SD_WEBUI_HOST": "your-image-generation-mcp-sd-webui-host-here",
        "IMAGE_GENERATION_MCP_OIDC_CLIENT_ID": "your-image-generation-mcp-oidc-client-id-here",
        "IMAGE_GENERATION_MCP_OPENAI_API_KEY": "your-image-generation-mcp-openai-api-key-here",
        "IMAGE_GENERATION_MCP_SD_WEBUI_MODEL": "your-image-generation-mcp-sd-webui-model-here",
        "IMAGE_GENERATION_MCP_OIDC_CONFIG_URL": "your-image-generation-mcp-oidc-config-url-here",
        "IMAGE_GENERATION_MCP_DEFAULT_PROVIDER": "your-image-generation-mcp-default-provider-here",
        "IMAGE_GENERATION_MCP_OIDC_CLIENT_SECRET": "your-image-generation-mcp-oidc-client-secret-here",
        "IMAGE_GENERATION_MCP_OIDC_JWT_SIGNING_KEY": "your-image-generation-mcp-oidc-jwt-signing-key-here",
        "IMAGE_GENERATION_MCP_OIDC_REQUIRED_SCOPES": "your-image-generation-mcp-oidc-required-scopes-here",
        "IMAGE_GENERATION_MCP_OIDC_VERIFY_ACCESS_TOKEN": "your-image-generation-mcp-oidc-verify-access-token-here"
      },
      "args": [
        "image-generation-mcp"
      ],
      "command": "uvx"
    }
  }
}

Security Report

5.5

Moderate5.5Moderate Risk

Well-structured MCP server for image generation with multiple providers, comprehensive testing, proper authentication support, and appropriate permissions for a developer tool. Only minor code quality issues identified, with permissions and functionality well-suited to its stated purpose. Supply chain analysis found 2 known vulnerabilities in dependencies (1 critical, 1 high severity). Package verification found 1 issue.

Scanned 3 files · 7 findings

Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.

Permissions Required

This plugin requests these system permissions. Most are normal for its category.

HTTP Network Access

Connects to external APIs or services over the internet.

env_vars

Check that this permission is expected for this type of plugin.

File System Read

Reads files on your machine. Normal for tools that analyze or process local data.

File System Write

Writes or modifies files on your machine. Check that this is expected for the tool.

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