The request names Firebase Cloud Messaging, so the answer is FCM itself: a cross-platform messaging service for sending messages to client apps 1. Its send operation is fcm.projects.messages.send, which targets a registration token, topic or condition 111. Alternatives that send push messages include Pusher 515 and Clix, a push platform built on Firebase setup 4.
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Firebase Cloud Messaging APIgoogle.comverified and signed
Cross-platform messaging service for sending messages to client apps; use fcm.projects.messages.send to send a message to a registration token, topic or condition 111.
official:API · Firebase Cloud Messaging API
for agents: fcm.projects.messages.send · fcm.projects.registrations.topicSubscriptions.create · fcm.projects.registrations.topicSubscriptions.get
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Clixclix.sowebsite read, tools not yet checked
Developer-first push notification platform for iOS and Android with automated Firebase setup and a CLI 4.
+1 community tools built for it
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MagicBellmagicbell.comwebsite read, tools not yet checked
Notification service sending to email, mobile push, web push, Slack and SMS through a single API 6.
Sources
- 1Firebase Cloud Messagingfirebase.google.com · read 2026-10-29
- 4Clix – Real-Time Push Notifications for Mobile Appsclix.so · read 2026-10-30
- 5Pusher | Leader In Realtime Technologiespusher.com · read 2026-10-30
- 6Push Notification Service - API & SDKs | MagicBellmagicbell.com · read 2026-10-30
- 11Firebase Cloud Messaging API: declares "fcm.projects.messages.send" (the record we read and signed)unfragile.ai · read 2026-10-24
- 15pusher-js: declares "pubsub" (the record we read and signed)unfragile.ai · read 2026-10-24
For agents: the 10 actions behind this answer
fcm.projects.messages.send · Firebase Cloud Messaging API verified and signed
Send a message to specified target (a registration token, topic or condition).
fcmdata.projects.androidApps.deliveryData.list · Firebase Cloud Messaging Data API verified and signed
List aggregate delivery data for the given Android application.
firebaseml.projects.operations.get · Firebase ML API verified and signed
Gets the latest state of a long-running operation. Clients can use this method to poll the operation result at intervals as recommended by the API service.
firebasedynamiclinks.shortLinks.create · Firebase Dynamic Links API verified and signed
Creates a short Dynamic Link given either a valid long Dynamic Link or details such as Dynamic Link domain, Android and iOS app information. The created short Dynamic Link will not expire. Repeated ca
firebaseappcheck.jwks.get · Firebase App Check API verified and signed
Returns a public JWK set as specified by [RFC 7517](https://tools.ietf.org/html/rfc7517) that can be used to verify App Check tokens.
firebasecrashlytics.projects.apps.issues.get · Firebase Crashlytics API verified and signed
Retrieve an issue.
create_project · Firebase MCP Server found in code, not yet checked
Use this to create a new Firebase Project.
firebaseappdistribution.projects.apps.releases.distribute · Firebase App Distribution API verified and signed
Distributes a release to testers. This call does the following: 1. Creates testers for the specified emails, if none exist. 2. Adds the testers and groups to the release. 3. Sends new testers an invit
firebase.projects.addFirebase · Firebase Management API verified and signed
Adds Firebase resources to the specified existing [Google Cloud Platform (GCP) `Project`] (https://cloud.google.com/resource-manager/reference/rest/v1/projects). Since a FirebaseProject is actually al
firebasestorage.projects.buckets.addFirebase · Cloud Storage for Firebase API verified and signed
Links a Google Cloud Storage bucket to a Firebase project.
Labels are the instruments' verdict and are never changed by ranking. Agents and robots get this same answer as JSON at /api/v1/find?q=…&answer=1 and through the MCP server.