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Found 5,420 Skills
Flutter Tooling - Tools and Commands. Use when working with tooling.
Security - React Native Best Practices. Use when reviewing security, implementing auth, or hardening code.
Use when preparing ANY app for submission, handling App Store rejections, managing code signing, or setting up CI/CD. Covers App Store submission, rejection troubleshooting, metadata requirements, privacy manifests, age ratings, export compliance.
Page Object Model patterns for Playwright — when to use POM, how to structure page objects, and when fixtures or helpers are a better fit.
Expert guidance for building Material 3 Expressive (M3E) Flutter apps. Use when implementing expressive motion, dynamic shapes, and premium components like FAB menus and toolbars.
Use when building email features, emails going to spam, high bounce rates, setting up SPF/DKIM/DMARC authentication, implementing email capture, ensuring compliance (CAN-SPAM, GDPR, CASL), handling webhooks, retry logic, or deciding transactional vs marketing.
Index at Creation Time
Graceful Degradation with Helpful Messages
Creating interactive data visualisations using d3.js. This skill should be used when creating custom charts, graphs, network diagrams, geographic visualisations, or any complex SVG-based data visua...
Build 3D browser games with Three.js using event-driven modular architecture. Use when creating a new 3D game, adding 3D game features, setting up Three.js scenes, or working on any Three.js game project.
Expert GDScript best practices including static typing (var x: int, func returns void), signal architecture (signal up call down), unique node access (%NodeName, @onready), script structure (extends, class_name, signals, exports, methods), and performance patterns (dict.get with defaults, avoid get_node in loops). Use for code review, refactoring, or establishing project standards. Trigger keywords: static_typing, signal_architecture, unique_nodes, @onready, class_name, signal_up_call_down, gdscript_style_guide.
Design test cases based on requirements. Use when users need test case design, testing strategy, or QA planning. Triggers on keywords like "test cases", "test design", "unit test", "integration test", "e2e test".