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firebase-crashlytics — Claude Code skill: mobile crash reporting

A skill for Firebase Crashlytics in Claude Code, Cursor, and other AI coding platforms. Collects crash reports from Android and iOS apps, lets you read data through the Firebase CLI MCP server.

Install into Claude Code · Skills CLI (Vercel) All methods and platforms ↓ 
npx skills add firebase/agent-skills --skill firebase-crashlytics -a claude-code
Open on GitHub

What firebase-crashlytics does

Crashlytics captures crash data directly from your mobile app. The skill gives your agent the ability to set up the SDK on Android or iOS, add custom keys and logs to reports, set user identifiers, and report non-fatal exceptions. You'll need a Firebase project and either an Android or iOS app. Crash data is accessed via the MCP server in Firebase CLI, installed separately.

The skill includes setup instructions for both platforms and examples for customizing crash reports. Firebase CLI can be installed via npx -y firebase-tools@latest; it's optional for SDK setup but required to read collected data.

What it helps with

  • set up Crashlytics on Android or iOS
  • add custom keys and logs to crash reports
  • set user identifiers for reports
  • report non-fatal exceptions
  • read crash data through Firebase CLI

Example prompts for the agent

  • Help me set up Firebase Crashlytics for my Android app
  • How do I add custom logs to crash reports?
  • Show me how to install the firebase-crashlytics skill in Claude Code

How to install firebase-crashlytics

1Skills CLI (Vercel)

npx skills add firebase/agent-skills --skill firebase-crashlytics -a claude-code

2Manually: put the files in place

~/.claude/skills/firebase-crashlytics/SKILL.md

Copy the whole skill folder; for one project use .claude/skills/firebase-crashlytics/

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Questions about firebase-crashlytics

How do I install firebase-crashlytics in Claude Code?

Run two commands in order: npx skills add firebase/agent-skills --skill firebase-crashlytics -a claude-code, then open ~/.claude/skills/firebase-crashlytics/SKILL.md.

What does the firebase-crashlytics skill do?

It helps your agent set up crash reporting in Android and iOS apps, add debugging information to reports, and read crash data through Firebase.

Do I need Firebase CLI for this skill to work?

Firebase CLI is optional for setting up Crashlytics in your app, but you'll need it to read crash data. Install it with npx -y firebase-tools@latest.

Source text

SKILL.md · Apache-2.0 
---
name: firebase-crashlytics
description: Comprehensive guide for Firebase Crashlytics, including provisioning and SDK usage. Use this skill when the user needs help setting up Crashlytics, adding crash reporting, or using the Crashlytics SDK in their application.
compatibility: This skill is best used with the Firebase CLI, but does not require it. Firebase CLI can be accessed through `npx -y firebase-tools@latest`.
metadata:
  author: Google LLC
  category: CloudObservabilityAndMonitoring
---

# Crashlytics

This skill provides a complete guide for getting started with Crashlytics on
Android or iOS. Crash data collected from client applications can be read using
the MCP server in the Firebase CLI.

## Prerequisites

Provisioning Crashlytics requires both a Firebase project and a Firebase app,
either Android or iOS. To read the data collected by Crashlytics, install the
MCP server in the Firebase CLI. See the `firebase-basics` skill for references.

## SDK Setup

To learn how to setup Crashlytics in your application code, choose your
platform:

- **Android**: [android_setup.md](references/android_setup.md)
- **iOS**: [ios_setup.md](references/ios_setup.md)

## SDK Usage

The SDK provides a number of features to make crash reports more actionable.

- Add custom keys
- Add custom logs
- Set user identifiers
- Report non-fatal exceptions

To learn how to customize crash reports and add additional debugging data,
consult the documentation for your platform.

- **Android**:
  [Customize Crash Reports for Android](https://firebase.google.com/docs/crashlytics/android/customize-crash-reports.md)
- **iOS**:
  [Customize Crash Reports for Apple Platforms](https://firebase.google.com/docs/crashlytics/ios/customize-crash-reports.md)

© Google LLC · Apache-2.0 · firebase/agent-skills

See also

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