Firebase's official MCP server, part of firebase-tools, lets AI dev tools work with Firebase projects and codebases. It covers Authentication users, Firestore and Realtime Database, security rules, Cloud Functions, Hosting and App Hosting, Crashlytics, Remote Config and Cloud Messaging with 120+ tools. It uses Firebase CLI credentials.
Also available as
Connect
- 1Add the server to Codex
codex mcp add firebase -- npx -y firebase-tools@latest mcp
Configs are generated from the publisher's documented endpoint. Check their docs for plan requirements and scopes. New to this? Read the step-by-step tutorial.
Things to ask
- “Query the orders collection in Firestore for pending orders”
- “Validate my Firestore security rules”
- “Show the top Crashlytics issues for my Android app”
- “Look up the Firebase Auth user with email jane@example.com”