Local stdio MCP for OpenAI-compatible and Gemini image generation, editing, and model fallback.
To add gen-image MCP to Claude, run the install command below or copy the ready-made config for Claude Code, Claude Desktop, Cursor and VS Code further down. Restart your client after adding it and its tools show up in your next conversation. It needs 6 environment variables, listed below.
Install
npx -y gen-image-mcp@0.2.3Environment variables
GEN_IMAGE_BASE_URLSet in your MCP configGEN_IMAGE_API_KEYSet in your MCP configGEN_IMAGE_MODELSet in your MCP configGEN_IMAGE_GEMINI_MODELSet in your MCP configGEN_IMAGE_AUTO_FALLBACKSet in your MCP configGEN_IMAGE_TIMEOUT_MSSet in your MCP configInstall with your client
claude mcp add gen-image --env GEN_IMAGE_BASE_URL=<YOUR_GEN_IMAGE_BASE_URL> --env GEN_IMAGE_API_KEY=<YOUR_GEN_IMAGE_API_KEY> --env GEN_IMAGE_MODEL=<YOUR_GEN_IMAGE_MODEL> --env GEN_IMAGE_GEMINI_MODEL=<YOUR_GEN_IMAGE_GEMINI_MODEL> --env GEN_IMAGE_AUTO_FALLBACK=<YOUR_GEN_IMAGE_AUTO_FALLBACK> --env GEN_IMAGE_TIMEOUT_MS=<YOUR_GEN_IMAGE_TIMEOUT_MS> -- npx -y gen-image-mcp@0.2.3
Run this in a terminal to add the server to Claude Code.
What this does
gen-image MCP exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.
Requirements
This server needs the following environment variables to be set before it can run:
GEN_IMAGE_BASE_URL GEN_IMAGE_API_KEY GEN_IMAGE_MODEL GEN_IMAGE_GEMINI_MODEL GEN_IMAGE_AUTO_FALLBACK GEN_IMAGE_TIMEOUT_MS
Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).
Frequently asked questions
How do I install gen-image MCP?
Run the Claude Code command in the install section to add gen-image MCP to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.
Which clients work with gen-image MCP?
This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to gen-image MCP as well.
Does gen-image MCP need an API key?
Yes. Before it can run, set these environment variables: GEN_IMAGE_BASE_URL, GEN_IMAGE_API_KEY, GEN_IMAGE_MODEL, GEN_IMAGE_GEMINI_MODEL, GEN_IMAGE_AUTO_FALLBACK, GEN_IMAGE_TIMEOUT_MS. They go in the env block of your MCP config.
Imported from the Official MCP Registry. The details above come from the registry entry; the maker can claim this listing to correct them, add docs, and see its traffic.
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