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Compare scores, permissions, risks, and fit in one decision-focused table.

DimensionFirebase MCP ServerMCP server that lets AI assistants work directly with Firebase servicesDBHubBytebase's official, minimalist two-tool database MCP server
FMRS54 / 100 · D74 / 100 · B
Reliability9 / 2013 / 20
Security and permissions6 / 2013 / 20
Maintenance11 / 2016 / 20
Documentation15 / 2015 / 20
Setup experience13 / 2017 / 20
Best for
  • Developers with data already in Firebase who want AI assistants to read and write it directly
  • Users of MCP clients such as Claude Desktop, Cursor, VS Code, or Augment Code
  • Workflows combining document database, file storage, and user lookup
  • Scenarios wanting the smallest possible tool count and lowest context-window overhead for database access
  • Cases needing to grant non-technical teammates safe, read-only database access
Not for
  • Users without a Firebase project or service account credentials
  • Firebase administration tasks such as project management or function deployment
  • Environments without an MCP client or the ability to configure environment variables
  • Scenarios needing database administration operations (creating indexes, altering schema) rather than just querying (DBHub is positioned as a query tool, not a DBA management tool)
Required permissions
  • Requires a Firebase service account private key JSON file (SERVICE_ACCOUNT_KEY_PATH)
  • The service account must have proper permissions for Firestore, Storage, and Authentication services
  • Requires a Firebase Storage bucket name, either configured or defaulted
  • Requires a database connection string (DSN), which may contain sensitive credentials
  • execute_sql can run arbitrary SQL (including writes) by default — must be constrained via read-only mode or the underlying database account's own permissions
Risks and side effects
  • Service account private keys carry broad privileges; misconfiguration or leakage can expose full data access
  • AI assistants can delete Firestore documents and upload/overwrite storage files, creating risk of unintended operations
  • The firestore_list_collections tool may trigger a Zod validation error in client logs (a known MCP SDK issue that does not affect functionality but may cause confusion)
  • Some Firestore queries require manually creating composite indexes in the Firebase Console
  • Under default settings, if the connected database account has write access, execute_sql could let the assistant perform an unintended write or delete — pair with a read-only database account in production
  • The DSN contains a plaintext password — pay attention to the access permissions on wherever the config is stored
Supported clientsClaude Desktop, Augment Code, VS Code, CursorClaude Desktop, Claude Code, VS Code, Cursor, Zed
Tools122