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eas-observe

Analyze Expo app performance metrics with EAS Observe.

2.4k|125|Updated Nov 30, 2025
Search Tags:#navigation analysis#metrics analysis#startup optimization#app performance#EAS Observe
One-click install
npx skills add https://github.com/expo/skills --skill eas-observe
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: eas-observe
Source: https://github.com/expo/skills/tree/main/plugins/expo/skills/eas-observe
Command: npx skills add https://github.com/expo/skills --skill eas-observe

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires expo, eas-cli, and includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill assists in tracking and optimizing app performance using EAS Observe's metrics and queries, providing insights into app startup, navigation, and custom events.

Core Features & Use Cases

  • Startup Performance Analysis: Measure and interpret cold and warm launch times, bundle load times, and time to first render.
  • Navigation Performance: Evaluate navigation performance with metrics like cold/warm TTR and TTI.
  • Custom Events Tracking: Record and analyze custom events for user interactions and app functionality.
  • Use Case: Use the skill to identify and fix performance bottlenecks in your Expo app, such as slow startups or long navigation times.

Quick Start

Install the skill and use it to monitor the performance of your app by running the command: eas observe:metrics-summary --days 7 --stat median --stat p90.

Frequently Asked Questions about eas-observe

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I track app startup performance metrics for my Expo application?▼

Yes, you can measure navigation performance by analyzing cold and warm time to first render (TTR) and time to interact (TTI) metrics. This skill evaluates navigation durations to pinpoint slow screen transitions within your Expo application.

How do I diagnose slow app performance using EAS Observe?▼

Diagnose slow app performance by running metrics summaries with the EAS CLI, such as requesting median and p90 statistics over a 7-day period. This skill interprets the query results to help locate startup, navigation, or custom event delays.

What are the requirements to use EAS Observe for app performance analysis?▼

Yes, you can record and analyze custom events to track specific user interactions and app functionality. This skill helps evaluate custom event metrics alongside startup and navigation data to provide a comprehensive view of app performance.

Can I analyze custom events for user interactions with EAS Observe?▼

Yes, you can record and analyze custom events to track specific user interactions and app functionality. This skill evaluates these custom metrics alongside startup and navigation data to provide a comprehensive view of your Expo app's performance.

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