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mcp/harbor
Gemini CLI

Firebase MCP for Gemini CLI

com.renzojohnson/firebase-mcp

Firebase MCP server: query and edit Firestore documents, look up and manage Auth users.

client:Gemini CLI transport:stdio runtime:npm

Install Firebase MCP in Gemini CLI

~/.gemini/settings.json · windows: %USERPROFILE%\.gemini\settings.json

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "firebase-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@renzo.johnson/firebase-mcp"
      ],
      "env": {
        "GOOGLE_APPLICATION_CREDENTIALS": "<GOOGLE_APPLICATION_CREDENTIALS>",
        "GOOGLE_OAUTH_CLIENT_ID": "<GOOGLE_OAUTH_CLIENT_ID>",
        "GOOGLE_OAUTH_CLIENT_SECRET": "<GOOGLE_OAUTH_CLIENT_SECRET>",
        "GOOGLE_OAUTH_REFRESH_TOKEN": "<GOOGLE_OAUTH_REFRESH_TOKEN>",
        "FIREBASE_MCP_PROJECT_ID": "<FIREBASE_MCP_PROJECT_ID>"
      }
    }
  }
}

Gemini expands $VAR and ${VAR} inside env values, so a secret can live in your shell rather than this file. Gemini CLI docs

Firebase MCP in other clients

Firebase MCP MCP server