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Found 874 Skills
Guide for writing idiomatic, effective, and standard Go code. Use this skill when writing, refactoring, or reviewing Go code to ensure adherence to established conventions and best practices.
Achra Platform guidelines, business rules, architecture, and engineering patterns. Use when writing or refactoring Achra code, adding modules or components, creating or updating skeleton loaders, loading placeholders, Suspense fallbacks, or Next.js loading.tsx, answering questions about Achra architecture or business domains, deciding when to use feature flags, applying Achra naming and placement conventions, or answering which technologies and libraries the project uses.
Create or modify vanilla HTML/CSS/JavaScript (without a framework) using modular ES modules (ESM), vanilla technologies, clean and readable code, ready for production (no transpiling). Useful for lightweight, high-performance pages, dependency-free UI widgets, standard JavaScript refactoring, and rapid prototyping without using frameworks like React, Angular or Vue.
Ruby on Rails testing best practices for writing effective, maintainable test suites with RSpec. This skill should be used when writing, reviewing, or refactoring Rails tests to ensure proper test design, data management, and coverage patterns. Triggers on tasks involving RSpec specs, model tests, request specs, system tests, factory definitions, Capybara interactions, Sidekiq job tests, or test suite optimization. Complementary to rails-dev, ruby-optimise, and ruby-refactor skills.
Guide for implementing James Shore's Nullables pattern and A-Frame architecture for testing without mocks. Use when implementing or refactoring code to follow patterns of: (1) Separating logic, infrastructure, and application layers, (2) Creating testable infrastructure with create/createNull factory methods, (3) Writing narrow, sociable, state-based tests without mocks, (4) Implementing value objects, (5) Building infrastructure wrappers that use embedded stubs, or (6) Designing dependency injection through static factory methods.
Design command-line interface parameters and UX: arguments, flags, subcommands, help text, output formats, error messages, exit codes, prompts, config/env precedence, and safe/dry-run behavior. Use when you’re designing a CLI spec (before implementation) or refactoring an existing CLI’s surface area for consistency, composability, and discoverability.
Write idiomatic Ruby code with metaprogramming, Rails patterns, and performance optimization. Specializes in Ruby on Rails, gem development, and testing frameworks. Use PROACTIVELY for Ruby refactoring, optimization, or complex Ruby features.
Bubble.io plugin development rules, API reference, and coding standards. Use when working on any task in this repo: writing, reviewing, refactoring, or creating initialize.js, update.js, preview.js, header.html, element actions, client-side actions, server-side actions (SSA), Plugin API v4 async/await code, JSDoc, setup files, README, CHANGELOG, marketplace descriptions, or field tooltips. Also use for security audits, code review, debugging, and publishing plugins. Covers instance/properties/context objects, BubbleThing/BubbleList interfaces, data loading suspension, DOM/canvas rules, element vs shared headers, exposed states, event handling, ESLint standards, and Bubble hard limits.
React and Next.js performance optimization guidelines from Vercel Engineering. This skill should be used when writing, reviewing, or refactoring React/Next.js code to ensure optimal performance pat...
TypeScript code style guide and formatting conventions. Use when writing TypeScript code, reviewing TypeScript files, refactoring .ts code, formatting TypeScript, or when working with TypeScript interfaces, classes, functions, or any .ts files. Apply these rules during code generation, code review, and when user mentions TypeScript style, formatting, conventions, semicolons, or code quality.
React composition patterns that scale. Use when refactoring components with boolean prop proliferation, building flexible component libraries, or designing reusable APIs. Triggers on tasks involving compound components, render props, context providers, or component architecture. Includes React 19 API changes.
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.