Firebase - AI Tool Review & Alternatives | Flaex AI

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Firebase

Safety: 45/100

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Firebase MCP enables AI assistants to interact with Firebase services like Firestore, Storage, and Authentication, offering read/write capabilities with service account credentials.

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Overview

Firebase MCP enables AI assistants to interact with Firebase services like Firestore, Storage, and Authentication, offering read/write capabilities with service account credentials.

Firebase MCP offers powerful tools for interacting with Firebase services, but its safety depends heavily on the secure management of the service account key. It is safe when used in controlled environments with well-defined access policies, but risky if the service account key is exposed or used without proper authorization controls.

Performance depends on the size of the data being transferred and the complexity of the Firestore queries. Consider optimizing queries and using pagination for large datasets.

Firebase usage is billed based on storage, data transfer, and the number of operations performed. Monitor your Firebase usage to avoid unexpected costs.

HybridTypeScript238 starsMITReleased 5/10/2025CI/CD

Connections & Capabilities

Connects To

GitHub

Capabilities

ReadWriteExecAdmin

Client Compatibility

Claude Desktop

full

Cursor

full

Windsurf

untested

VS Code (Copilot)

full

Quickstart

Install

npm install -g firebase-tools

Claude Desktop Config

{
  "firebase-mcp": {
    "command": "npx",
    "args": [
      "-y",
      "@gannonh/firebase-mcp"
    ],
    "env": {
      "SERVICE_ACCOUNT_KEY_PATH": "/absolute/path/to/serviceAccountKey.json",
      "FIREBASE_STORAGE_BUCKET": "your-project-id.firebasestorage.app"
    }
  }
}

Environment Variables

MCP_TRANSPORTMCP_HTTP_PORT

Tools (12)

moderate

firestore_add_document

Adds a new document to a specified Firestore collection.

Adds data to Firestore, potentially altering the database state.

safe

firestore_list_documents

Lists documents within a Firestore collection, with potential filtering.

Read-only operation; retrieves data without modification.

safe

firestore_get_document

Retrieves a specific document from a Firestore collection by its ID.

Read-only operation; retrieves data without modification.

high

firestore_update_document

Updates an existing document in a Firestore collection.

Modifies existing data in Firestore, potentially causing data inconsistencies.

critical

firestore_delete_document

Deletes a document from a Firestore collection.

Irreversibly removes data from Firestore.

safe

firestore_list_collections

Lists all root collections in the Firestore database.

Read-only operation; retrieves a list of collection names.

safe

firestore_query_collection_group

Queries across all subcollections with the same ID.

Read-only operation; retrieves data without modification.

safe

storage_list_files

Lists files within a specified directory in Firebase Storage.

Read-only operation; retrieves a list of files.

safe

storage_get_file_info

Retrieves metadata and a download URL for a specific file in Firebase Storage.

Read-only operation; retrieves file information.

moderate

storage_upload

Uploads a file to Firebase Storage from provided content.

Adds a new file to storage, potentially consuming resources.

moderate

storage_upload_from_url

Uploads a file to Firebase Storage from a given URL.

Adds a new file to storage, potentially consuming resources and network bandwidth.

safe

auth_get_user

Retrieves user information from Firebase Authentication by ID or email.

Read-only operation; retrieves user data without modification.

Security

Auth Method

Environment Variable

Data Locality

hybrid

Known Risks

!Compromised service account key could lead to unauthorized data access or modification.
!Lack of input validation could lead to injection attacks against Firestore.
!Overly permissive service account permissions could grant excessive access to Firebase services.
!Erroneous Zod validation error with `firestore_list_collections` may cause confusion, though functionality is unaffected.
!Potential for unintended data deletion if `firestore_delete_document` is used carelessly.

Safety Score

moderate risk

Positive

+Requires service account credentials, limiting unauthorized access.
+Provides tools for managing user authentication.
+Offers file management capabilities with storage.
+Includes file logging for debugging purposes.

Risks

-Service account key path must be securely managed to prevent unauthorized access.
-Potential for data modification or deletion via Firestore tools.
-Direct access to Firebase services without sandboxing.
-Exposure of Firebase project data if service account is compromised.
-Lack of built-in RBAC within the MCP server itself.

Use Cases

Content Management

-Uploading and managing images for a website.
-Storing and retrieving documents for a knowledge base.
-Managing user-generated content in a social media app.

Data Analysis

-Querying user data for analytics purposes.
-Aggregating data from multiple Firestore collections.
-Generating reports based on stored data.

User Authentication

-Verifying user credentials.
-Retrieving user profiles.
-Managing user accounts.

Backend Automation

-Automatically backing up Firestore data to Storage.
-Triggering functions based on Firestore document changes.
-Orchestrating complex workflows involving multiple Firebase services.

Who Is This For?

Best For

Developers building AI-powered applications that interact with Firebase.
Teams that need to automate tasks involving Firebase services.
Projects that require a flexible and scalable backend.
Scenarios where AI assistants need to read and write data to Firebase.

Not Ideal For

Applications that require strict security and isolation.
Environments where service account credentials cannot be securely managed.
Use cases that demand real-time data synchronization with minimal latency.

Autonomy & Execution

Default ModeConfigurable

Destructive Tools

Autonomy is highly dependent on the configuration of the service account and the permissions granted to it. Exercise caution when granting broad permissions.

StatelessYes

Retry LogicNot documented

ConcurrencyNot documented

Production Tip

Monitor the Firebase console for usage and performance metrics to optimize costs and ensure service availability.

FAQ

What Firebase services can I access with Firebase MCP?

You can access Firestore, Storage, and Authentication.

How do I secure my service account key?

Store the key in a secure location, restrict access to it, and rotate it regularly.

What permissions does the service account need?

Grant the service account only the minimum necessary permissions to perform its tasks.

How do I enable logging?

Set the `DEBUG_LOG_FILE` environment variable to `true` or a custom file path.

What is the Zod validation error with `firestore_list_collections`?

It's an erroneous log-level error in the MCP SDK that doesn't affect functionality; the query still works correctly.

Can I use Firebase MCP with multiple clients simultaneously?

Yes, the HTTP transport supports session management for multiple clients.

How do I handle 'Composite Index Required' errors?

Follow the URL provided in the error message to create the necessary index in the Firebase Console.

Metrics

Discovered2/14/2026

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Firebase

Overview

Connections & Capabilities

Connects To

Capabilities

Client Compatibility

Quickstart

Install

Claude Desktop Config

Environment Variables

Tools (12)

Security

Safety Score

Positive

Risks

Use Cases

Content Management

Data Analysis

User Authentication

Backend Automation

Who Is This For?

Best For

Not Ideal For

Autonomy & Execution

FAQ

What Firebase services can I access with Firebase MCP?

How do I secure my service account key?

What permissions does the service account need?

How do I enable logging?

What is the Zod validation error with `firestore_list_collections`?

Can I use Firebase MCP with multiple clients simultaneously?

How do I handle 'Composite Index Required' errors?

Metrics

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