Local stdio MCP server for generating and editing images via OpenAI gpt-image-2 or Google Gemini (Nano Banana / Pro image-preview). Saves PNGs to ~/Pictures/image-gen/ and returns inline JPEG thumbnails. Bring your own OpenAI and/or Gemini API key.
Server Config
{
"mcpServers": {
"image-gen": {
"command": "node",
"args": [
"<HOME>/.image-gen-mcp/server/index.js"
],
"env": {
"OPENAI_API_KEY": "<YOUR_OPENAI_API_KEY>",
"GEMINI_API_KEY": "<YOUR_GEMINI_API_KEY>"
}
}
}
}