mcp-firestore-server

markhilton/mcp-firestore-server

3.1

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The MCP Firestore Server is a Model Context Protocol server designed to facilitate Firestore database operations.

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MCP Firestore Server

A Model Context Protocol (MCP) server that provides Firestore database operations.

Installation

npx @nerd305/mcp-firestore-server

Configuration

The server requires the following environment variables:

  • GOOGLE_CLOUD_PROJECT or FIREBASE_PROJECT_ID: Your Firebase project ID (required)
  • FIRESTORE_EMULATOR_HOST: Firestore emulator host (optional, e.g., "127.0.0.1:8080")

Usage with Claude Desktop

Add to your .mcp.json configuration:

{
  "mcpServers": {
    "firestore": {
      "command": "npx",
      "args": ["-y", "@nerd305/mcp-firestore-server"],
      "env": {
        "GOOGLE_CLOUD_PROJECT": "your-project-id",
        "FIRESTORE_EMULATOR_HOST": "127.0.0.1:8080"
      }
    }
  }
}

For production Firestore (requires authentication):

{
  "mcpServers": {
    "firestore": {
      "command": "npx",
      "args": ["-y", "@nerd305/mcp-firestore-server"],
      "env": {
        "GOOGLE_CLOUD_PROJECT": "your-project-id",
        "GOOGLE_APPLICATION_CREDENTIALS": "/path/to/service-account.json"
      }
    }
  }
}

Available Tools

query_collection

Query documents from a Firestore collection.

{
  collection: string;
  limit?: number;
  orderBy?: string;
  orderDirection?: "asc" | "desc";
}

get_document

Get a specific document by ID.

{
  collection: string;
  docId: string;
}

query_with_where

Query documents with where conditions.

{
  collection: string;
  field: string;
  operator: "==" | "!=" | "<" | "<=" | ">" | ">=" | "array-contains" | "in" | "array-contains-any";
  value: string;
  limit?: number;
}

list_collections

List all top-level collections.

{
}

create_document

Create a new document.

{
  collection: string;
  docId?: string; // Optional, auto-generated if not provided
  data: object;
}

update_document

Update an existing document.

{
  collection: string;
  docId: string;
  data: object;
  merge?: boolean; // Default: true
}

delete_document

Delete a document.

{
  collection: string;
  docId: string;
}

Local Development

  1. Clone the repository
  2. Install dependencies: npm install
  3. Run locally: npm start

Testing with npm link

cd mcp-firestore-server
npm link
# In your project
npm link @nerd305/mcp-firestore-server

License

MIT