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How To Send Push Notifications On Flutter Web Fcm

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rodydavis·vlatest·frontend

Helps with Flutter, web development as part of building frontend UIs and user experiences workflows.

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Install on your platform

Showing Claude Code. One command installs this skill into any of the agents below.

  1. 1

    Run this in your project

    terminal
    $ npx skills add rodydavis/skills --skill how-to-send-push-notifications-on-flutter-web-fcm -a claude-code

  2. Uses the open-source skills CLI and needs Node.js. Add -g to install it for your user instead of this project.

What we know about this skill

Publisher

rodydavis

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Install target

Live repository

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No human has reviewed this code. The checks below are a static scan of the files at one commit — nobody has run this skill or judged whether it works. A skill runs with whatever access you give your agent, so read the source before you install it.

Automated safety checks

scanned

This skill passed all 6 checks. We read its files at one commit and looked for the things that make a skill dangerous to run — not for whether it works.

  • Declares what it does: passed

    SKILL.md parses and declares a name and a description.

    SKILL.md exists, its frontmatter parses, and it declares a name and a description.

  • No undeclared network calls: passed

    Makes no network calls.

    Every host the skill dials — from its scripts, its config endpoints or the commands it tells the agent to run — is either well-known package and API infrastructure or declared in its own frontmatter. Links in documentation are not counted.

  • No obfuscated payloads: passed

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  • Pinned to a commit: passed

    Scanned rodydavis/skills at 804913dcbe.

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Commit
804913dcbe
Manifest
skills/push-notifications-flutter-web/SKILL.md
Scanned
1 file, 142 lines
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About this skill

What it does

This skill provides guidance on implementing Firebase Cloud Messaging (FCM) push notifications in Flutter web applications. It details how to modify existing service worker scripts and create a new firebase-messaging-sw.js file, along with providing example code for a Dart helper class (firebase_messaging.dart) to manage FCM functionality within your Flutter application. The skill focuses specifically on the differences between mobile and web implementations of FCM.

When to use it

  • You're building a Flutter web application and need to implement push notifications.
  • You are already using Firebase in your project but struggling with the specific setup required for Flutter Web.
  • You encounter 404 errors when attempting to register service workers related to FCM on your Flutter web app.
  • You want to handle incoming FCM messages within your Flutter application logic.

Key capabilities

  • Provides instructions for modifying existing index.html scripts to support FCM.
  • Offers a sample firebase-messaging-sw.js file with necessary Firebase initialization and background message handling.
  • Includes example code for a Dart helper class (firebase_messaging.dart) to manage FCM token retrieval and stream event data.
  • Details how to handle notification clicks within the service worker.

Example prompts

  • "How do I set up Firebase Cloud Messaging on my Flutter web project?"
  • "I'm getting a 404 error when registering my service worker for FCM in Flutter Web, what should I check?"
  • "Can you show me an example of how to handle incoming push notifications in my Flutter web app using Firebase?"

Tips & gotchas

  • You must replace the placeholder configuration keys (API_KEY, AUTH_DOMAIN, etc.) within firebase-messaging-sw.js with your actual Firebase project credentials.
  • This skill assumes you are already familiar with basic Firebase setup and Flutter development concepts.
  • The provided code uses Firebase version 7.5.0; ensure compatibility with your project's dependencies.