Ultimate Gemini 3.1 Flash Image MCP server with 4K generation, Google Search grounding, reference images (up to 14), and thinking mode. Professional image generation made simple.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add ultimate-gemini --env GEMINI_API_KEY='<GEMINI_API_KEY>' -- uvx ultimate-gemini-mcp~/.codex/config.toml
[mcp_servers.ultimate-gemini]
command = "uvx"
args = ["ultimate-gemini-mcp"]
env = { GEMINI_API_KEY = "<GEMINI_API_KEY>" }
# codex mcp add ultimate-gemini --env GEMINI_API_KEY='<GEMINI_API_KEY>' -- uvx ultimate-gemini-mcp~/.cursor/mcp.json
{
"mcpServers": {
"ultimate-gemini": {
"command": "uvx",
"args": [
"ultimate-gemini-mcp"
],
"env": {
"GEMINI_API_KEY": "<GEMINI_API_KEY>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"ultimate-gemini": {
"type": "stdio",
"command": "uvx",
"args": [
"ultimate-gemini-mcp"
],
"env": {
"GEMINI_API_KEY": "<GEMINI_API_KEY>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"ultimate-gemini": {
"command": "uvx",
"args": [
"ultimate-gemini-mcp"
],
"env": {
"GEMINI_API_KEY": "<GEMINI_API_KEY>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"ultimate-gemini": {
"command": "uvx",
"args": [
"ultimate-gemini-mcp"
],
"env": {
"GEMINI_API_KEY": "<GEMINI_API_KEY>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"ultimate-gemini": {
"command": "uvx",
"args": [
"ultimate-gemini-mcp"
],
"env": {
"GEMINI_API_KEY": "<GEMINI_API_KEY>"
}
}
}
}Environment variables
GEMINI_API_KEY
Replace the placeholders with your own credentials and keep them out of version control.