Imagen3-MCP Details
Imagen3-MCP is an image generation service based on Google's Imagen 3.0 that exposes its functionality through MCP (Model Control Protocol). The project provides a server to run a local MCP service that accesses Google Gemini-powered image generation, enabling developers to integrate advanced image synthesis into their applications. The documentation covers prerequisites (Gemini API key), installation steps for Cherry Studio, and a Cursor-based JSON configuration example for embedding the MCP server in broader tooling. This MCP is designed to be deployment-friendly, with configurable environment variables and optional proxy settings to adapt to various network environments.
Use Case
Imagen3-MCP acts as a server that provides access to Google's Imagen 3.0 image generation via MCP. It is intended for developers who want to run a local or containerized image generator and expose it to their applications through MCP. The documentation shows how to configure the MCP server with a command, environment variables (notably GEMINI_API_KEY), and optional settings for proxying and server addresses. Example usage includes a Cursor-style JSON configuration that demonstrates how to structure the mcpServers block and environment variables for Gemini authentication and optional server customization.
Examples & Tutorials
{
"mcpServers": {
"imagen3": {
"command": "C:\\bin\\imagen3-mcp.exe",
"env": {
"GEMINI_API_KEY": "<GEMINI_API_KEY>"
// Optional environment variables:
// "BASE_URL": "<PROXY_URL>",
// "SERVER_LISTEN_ADDR": "0.0.0.0", // Example: Listen on all interfaces
// "SERVER_PORT": "9981",
// "IMAGE_RESOURCE_SERVER_ADDR": "your.domain.com" // Example: Use a domain name for image URLs
}
}
}
}This demonstrates how to configure the MCP server in a Cursor-style JSON snippet as documented.
Installation Guide
安装步骤——Cherry Studio:
C:\bin\imagen3-mcp.exeC:\bin\imagen3-mcp.exeGEMINI_API_KEY 中填写你的 Gemini API 密钥BASE_URL 中填写代理地址，例如 https://lingxi-proxy.hamflx.dev/api/provider/google（这个地址可以解决 GFW 的问题，但是解决不了 Google 对 IP 的限制问题，因此还是得挂梯子）。SERVER_LISTEN_ADDR：设置服务器监听的 IP 地址（默认为 127.0.0.1）。SERVER_PORT：设置服务器监听的端口和图片 URL 使用的端口（默认为 9981）。IMAGE_RESOURCE_SERVER_ADDR：设置图片 URL 中使用的服务器地址（默认为 127.0.0.1）。这在服务器运行在容器或远程机器上时很有用。Integration Guides
Frequently Asked Questions
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Requires a valid Google Gemini API key. Optional: BASE_URL for proxy to bypass GFW, but it does not solve Google IP restrictions. The BASE_URL example shows how to proxy API requests. In addition, there are optional env vars for SERVER_LISTEN_ADDR, SERVER_PORT, and IMAGE_RESOURCE_SERVER_ADDR to customize hosting and image URL generation.
Valid Google Gemini API key (GEMINI_API_KEY). Optional: BASE_URL for proxy, SERVER_LISTEN_ADDR, SERVER_PORT, and IMAGE_RESOURCE_SERVER_ADDR as environment variables.
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