How do I install gemini-mcp?

Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.

Is gemini-mcp official?

No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.

How is the trust score calculated?

This listing scores 55 (Fair). The formula is published on the methodology page.

MCPpedia

gemini-mcp MCP Server | MCPpedia

gemini-mcp MCP Server

Name: gemini-mcp MCP Server
Author: chrischall

Generate and edit images with Google Gemini (Nano Banana / Nano Banana Pro) image models.

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Registrychrischall

55Fair

Install

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "chrischall-gemini-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@chrischall/gemini-mcp@2.4.1"
      ],
      "env": {
        "GEMINI_API_KEY": "YOUR_GEMINI_API_KEY",
        "GEMINI_IMAGE_MODEL": "",
        "GEMINI_OUTPUT_DIR": "",
        "GEMINI_INPUT_DIR": "",
        "GEMINI_UPLOAD_DIR": "",
        "GEMINI_REFERENCE_DIR": "",
        "GEMINI_TIMEOUT_MS": "",
        "GEMINI_HEARTBEAT_MS": "",
        "GEMINI_CHAIN_RETRY_MS": "",
        "GEMINI_DEBUG": "",
        "GEMINI_RATE_CARD": ""
      }
    }
  }
}

Install guide

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Environment

Name	Required	Notes
GEMINI_API_KEY	No	Your Google Gemini API key (aistudio.google.com/apikey) Secret.
GEMINI_IMAGE_MODEL	No	Override the default image model (default: gemini-nano-banana-2.1)
GEMINI_OUTPUT_DIR	No	Default directory for generated images (default: ~/Downloads/gemini-mcp). When set, a per-call output_dir must be inside it.
GEMINI_INPUT_DIR	No	Directory to resolve bare input-image filenames against
GEMINI_UPLOAD_DIR	No	Restrict local-file uploads to the Gemini Files API to these directories (path.delimiter-separated; unset = unrestricted)
GEMINI_REFERENCE_DIR	No	Restrict local reference images (images / image paths sent to Gemini) to these directories (path.delimiter-separated), plus GEMINI_OUTPUT_DIR. Unset: GEMINI_UPLOAD_DIR applies; if that is unset too, unrestricted locally, and $MCP_DATA_DIR/uploads when MCP_DATA_DIR is set (hosted)
GEMINI_TIMEOUT_MS	No	Upstream request timeout in ms (default: 60000, or 120000 for image_size: "4K"); each generation tool also takes a per-call timeout_ms
GEMINI_HEARTBEAT_MS	No	Progress-notification cadence in ms while a generation runs (default: 10000; 0 disables) — keeps MCP hosts that reset their timeout on progress from timing out long generations
GEMINI_CHAIN_RETRY_MS	No	How long to wait out interactions-store lag when a chained call 404s (default: 120000; 0 disables retrying)
GEMINI_DEBUG	No	When set, emit heartbeat diagnostics to stderr. Off by default.
GEMINI_RATE_CARD	No	Override/extend the shipped USD-per-1M-token rates used by gemini_token_usage's cost estimate, e.g. {"gemini-3-pro-image":{"input":2,"text_output":12,"image_output":120}}. Malformed JSON is ignored (a bad card must not fail generations).

gemini-mcp MCP Server

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