Firebase Realtime Database

Firebase Realtime Database MCP

Overview

The inspiration for this project was taken from firebase-mcp. Unlike firebase-mcp, which uses Firestore functionalities, firebase-realtimeDB-mcp uses Firebase Realtime Database functionalities. Firebase Realtime Database MCP enables AI assistants to work directly with Firebase services.

🚀 Quick Start

Prerequisites

Firebase project with service account credentials
Node.js environment

1. Firebase Configuration

Go to Firebase Console → Project Settings → Service Accounts
Click "Generate new private key"
Save the JSON file securely

2. Environment Variables

Required

SERVICE_ACCOUNT_KEY_PATH: Path to your Firebase service account key JSON
FIREBASE_DATABASE_URL: Firebase realtime database URL

1. Install Firebase Realtime Database MCP project locally

A. Run git clone https://github.com/ytzlax/firebase-realtimeDB-mcp.git in the terminal.
B. cd to the cloned path, and run npm i.
C. Run npm run build.

2. Install MCP Server

Add the server configuration to your MCP settings file:

Claude Desktop: ~/Library/Application Support/Claude/claude_desktop_config.json
Augment: ~/Library/Application Support/Code/User/settings.json
Cursor: [project root]/.cursor/mcp.json

How to use with Claude Desktop?

Follow the guide https://modelcontextprotocol.io/quickstart/user and add the following configuration:

{
  "firebase-realtimeDB-mcp": {
      "command": "node",
      "args": ["/absolute/path/to/dist/index.js"],
      "env": {
        "SERVICE_ACCOUNT_KEY_PATH": "/absolute/path/to/serviceAccountKey.json",
        "FIREBASE_DATABASE_URL": "your-project-id.firebasestorage.app"
      }
   }

}

Firebase Tools

Tool	Description	Required Parameters
`get_documents_by_filter`	Get documents by filter	`collectionName`, `field`,`value`
`list_collections`	List root collections	None
`add_doc`	Add Document	json object

This server cannot be installed

security - not tested

license - permissive license

quality - not tested

local-only server

The server can only run on the client's local machine because it depends on local resources.

Firebase Realtime Database

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