Testing
Unit tests, integration tests, test automation
testing
by howells
Comprehensive testing strategy. Creates test plans covering unit, integration, and E2E. Uses specialist agents for each test type. Supports vitest and Playwright with auth testing guidance for Clerk and WorkOS.
ralph-driven-development
by tomkrikorian
Guide and tooling for Ralph Driven Development (RDD), a spec runner that repeatedly invokes Codex (or other agents) over ordered specs until a magic phrase signals completion. Use when setting up or operating an RDD workflow with plan.md, specs/, done.md, agent-run.log, and a ralph.py runner, or when customizing the runner CLI and prompt contract.
visionos-immersive-media-developer
by tomkrikorian
Implement immersive and spatial video experiences on Apple Vision Pro (visionOS), including RealityKit VideoPlayerComponent setup, portal/progressive/full immersive viewing modes, transitions and events, comfort mitigation, and Apple Immersive Video authoring workflows.
discover-mcp
by rand
Automatically discover MCP (Model Context Protocol) skills when building MCP servers, designing tools, implementing resources/prompts, or testing MCP integrations. Activates for MCP server development tasks.
cold-email-sequence-generator
by manojbajaj95
Generate personalized cold email sequences (7-14 emails) with A/B test subject lines, follow-up timing recommendations, and integrated social proof. Creates multi-touch campaigns optimized for response rates. Use when users need outbound email campaigns, sales sequences, or lead generation emails.
gridfinity-baseplate-planner
by dgalarza
Use this skill when planning and designing gridfinity baseplates for 3D printing. This includes calculating optimal grid sizes from given measurements, determining how to slice large grids into printable chunks based on printer bed dimensions, and calculating padding requirements for non-exact fits. The skill handles both metric and imperial measurements and provides guidance for using gridfinity.perplexinglabs.com to generate the actual STL files.
creating-your-first-flutter-project
by rodydavis
Dive into the world of Flutter, Google's UI toolkit, and learn how to build cross-platform apps with ease using this introductory guide and accompanying "Flutter Take 5" video series.
tdd-workflow
by dgalarza
Use this skill whenever you are implementing a feature using TDD.
flutter-terminal-cheat-sheet
by rodydavis
This post provides a handy collection of Flutter commands and scripts for web development, package creation, troubleshooting, testing, and more, streamlining your Flutter workflow.
design-thinking
by melodic-software
Design Thinking methodology for human-centered innovation. Covers the 5-phase IDEO/Stanford d.school approach (Empathize, Define, Ideate, Prototype, Test) with workshop facilitation and exercise templates.
issue-tree-builder
by sruthir28
McKinsey-style issue tree framework for breaking down complex problems into MECE (Mutually Exclusive, Collectively Exhaustive) components. Use when users need to decompose strategic questions, structure analysis, create work plans, or prepare for case interviews. Apply hypothesis-driven approach to problem-solving.
typescript-pro
by alexander-danilenko
Use when building TypeScript applications requiring advanced type systems, generics, or full-stack type safety. Invoke for type guards, utility types, tRPC integration, monorepo setup.
Chrome DevTools
by pacphi
Debug web pages directly in Chrome using DevTools capabilities via MCP
backend-reviewer
by olehsvyrydov
Senior Backend Code Reviewer with 12+ years Java experience. Use when reviewing Java/Spring code, checking code quality and style, identifying code smells and anti-patterns, verifying security practices, ensuring test coverage, or configuring static analysis tools (Checkstyle, SpotBugs, SonarQube).
code-documenter
by alexander-danilenko
Use when adding docstrings, creating API documentation, or building documentation sites. Invoke for OpenAPI/Swagger specs, JSDoc, doc portals, tutorials, user guides.
testing-patterns
by ChrisWiles
Jest testing patterns, factory functions, mocking strategies, and TDD workflow. Use when writing unit tests, creating test factories, or following TDD red-green-refactor cycle.
systematic-debugging
by ChrisWiles
Four-phase debugging methodology with root cause analysis. Use when investigating bugs, fixing test failures, or troubleshooting unexpected behavior. Emphasizes NO FIXES WITHOUT ROOT CAUSE FIRST.
Broken Authentication Testing
by hainamchung
This skill should be used when the user asks to "test for broken authentication vulnerabilities", "assess session management security", "perform credential stuffing tests", "evaluate password policies", "test for session fixation", or "identify authentication bypass flaws". It provides comprehensive techniques for identifying authentication and session management weaknesses in web applications.
angular-architect
by hainamchung
Use when building Angular 17+ applications with standalone components or signals. Invoke for enterprise apps, RxJS patterns, NgRx state management, performance optimization, advanced routing.
bun-development
by hainamchung
"Modern JavaScript/TypeScript development with Bun runtime. Covers package management, bundling, testing, and migration from Node.js. Use when working with Bun, optimizing JS/TS development speed, or migrating from Node.js to Bun."
Burp Suite Web Application Testing
by hainamchung
This skill should be used when the user asks to "intercept HTTP traffic", "modify web requests", "use Burp Suite for testing", "perform web vulnerability scanning", "test with Burp Repeater", "analyze HTTP history", or "configure proxy for web testing". It provides comprehensive guidance for using Burp Suite's core features for web application security testing.
geo-infer-org
by ActiveInferenceInstitute
Organizational modeling for geospatial entities. Use when modeling organizational structures, spatial resource allocation, inter-organizational network analysis, or institutional spatial analysis for governance.
geo-infer-test
by ActiveInferenceInstitute
Unified test runner and testing infrastructure for the GEO-INFER ecosystem. Use when running cross-module tests, configuring test categories, setting up test fixtures for spatial data, or analyzing test results.
geo-infer-ant
by ActiveInferenceInstitute
Ant Colony Optimization and swarm intelligence for geospatial problems. Use when solving spatial optimization with ACO, PSO, ABC algorithms, implementing stigmergic coordination, or optimizing geographic routing and resource allocation with bio-inspired methods.