Testing

by pchalasani

This skill should be used when the agent needs to give a spoken voice update to the user, or when reminded by a Stop hook to provide audio feedback. Use this skill to speak a short summary of what was accomplished.

by recyclarr

Testing patterns, infrastructure, fixtures, and debugging for unit, integration, and E2E tests

by leonvanzyl

Convert GSD codebase mapping to Autocoder app_spec.txt. This skill should be used whenthe user has run /gsd:map-codebase and wants to use Autocoder on an existing project.Triggers: "convert to autocoder", "gsd to spec", "create app_spec from codebase","use autocoder on existing project", after /gsd:map-codebase completion.

by filipstrand

Prepare a release in mflux (version bump, changelog, uv lock) without tagging/publishing.

by filipstrand

Run tests in mflux (fast/slow/full), preserve image outputs, and handle golden image diffs safely.

by maxritter

Build accessible user interfaces using semantic HTML, proper ARIA attributes, keyboard navigation, color contrast, and screen reader compatibility. Use this skill when creating or modifying frontend components, HTML templates, React/Vue/Svelte components, forms, interactive elements, navigation menus, modals, or any UI elements. Apply when working with HTML files, JSX/TSX components, template files, ensuring keyboard accessibility, implementing focus management, adding alt text to images, creating form labels, testing with screen readers, managing ARIA attributes, maintaining color contrast ratios, or building heading hierarchies. Use for any task involving UI accessibility compliance, WCAG standards, or inclusive design patterns.

by maxritter

Build responsive, mobile-first layouts using fluid containers, flexible units, media queries, and touch-friendly design that works across all screen sizes. Use this skill when creating or modifying UI layouts, responsive grids, breakpoint styles, mobile navigation, or any interface that needs to adapt to different screen sizes. Apply when working with responsive CSS, media queries, viewport settings, flexbox/grid layouts, mobile-first styling, breakpoint definitions (mobile, tablet, desktop), touch target sizing, relative units (rem, em, %), image optimization for different screens, or testing layouts across multiple devices. Use for any task involving multi-device support, responsive design patterns, or adaptive layouts.

by maxritter

Prevent common testing anti-patterns that undermine test effectiveness and code quality by ensuring tests verify real behavior rather than mock behavior, keeping production code free from test-only pollution, and enforcing thoughtful mocking strategies. Use this skill when writing or modifying any test files (.test.ts, .test.js, .spec.ts, _test.py, test_*.py, *_test.go, *_spec.rb), when adding mock objects, stubs, spies, or test doubles to test suites, when considering adding methods or properties to production classes that are only called from test code, when setting up complex test fixtures or test data, when tests are failing and you're tempted to adjust mocks to make them pass, when deciding how to isolate code under test from external dependencies, when implementing dependency injection or test seams, during code reviews when reviewing test implementation and mocking strategies, when refactoring tests that have become brittle or hard to maintain, when test setup code is becoming longer than the actual te

by maxritter

Run tests and fix issues end-to-end with Claude CodePro

by cexll

This skill should be used when generating comprehensive test cases from PRD documents or user requirements. Triggers when users request test case generation, QA planning, test scenario creation, or need structured test documentation. Produces detailed test cases covering functional, edge case, error handling, and state transition scenarios.

by leochlon

Iterative root-cause + fix agent workflow that gathers evidence (code/logs/tests/web), verifies the primary ROOT_CAUSE claim with Strawberry's detect_hallucination/audit_trace_budget, implements a fix, runs a test plan, checks for new failure modes, and loops until the fix actually works.

by revokslab

Remove AI code slop

by FarhanAliRaza

Apply systematic performance optimization techniques for Python and Rust code: estimation + profiling, API/bulk design, algorithmic wins, cache-friendly memory layout, fewer allocations, fast paths, caching, and compiler-friendly hot loops. Use for performance code reviews, refactors, and profiling-driven optimizations. Keywords: performance, latency, throughput, cache, allocation, memory layout, PyO3, msgspec, tokio, async, pprof, py-spy, perf.

by ballred

Commit and push vault changes to Git with smart commit messages. Auto-stages files, creates meaningful commits, and syncs with remote. Use after making vault changes or at end of day.

by disler

Process video files with audio extraction, format conversion (mp4, webm), and Whisper transcription. Use when user mentions video conversion, audio extraction, transcription, mp4, webm, ffmpeg, or whisper transcription.

by hashintel

HashQL testing strategies including compiletest (UI tests), unit tests, and snapshot tests. Use when writing tests for HashQL code, using //~ annotations, running --bless, debugging test failures, or choosing the right testing approach.

by huangserva

智能提示词生成器 v2.0 - 支持人像/跨domain/设计三种模式，语义理解、常识推理、一致性检查

by vitorpamplona

Advanced Kotlin coroutines patterns for AmethystMultiplatform. Use when working with: (1) Structured concurrency (supervisorScope, coroutineScope), (2) Advanced Flow operators (flatMapLatest, combine, merge, shareIn, stateIn), (3) Channels and callbackFlow, (4) Dispatcher management and context switching, (5) Exception handling (CoroutineExceptionHandler, SupervisorJob), (6) Testing async code (runTest, Turbine), (7) Nostr relay connection pools and subscriptions, (8) Backpressure handling in event streams. Delegates to kotlin-expert for basic StateFlow/SharedFlow patterns. Complements nostr-expert for relay communication.

by mrgoonie

Force unrelated concepts together to discover emergent properties - "What if we treated X like Y?

by mrgoonie

Test at extremes (1000x bigger/smaller, instant/year-long) to expose fundamental truths hidden at normal scales

by mrgoonie

Four-phase debugging framework that ensures root cause investigation before attempting fixes. Never jump to solutions.

by lackeyjb

Complete browser automation with Playwright. Auto-detects dev servers, writes clean test scripts to /tmp. Test pages, fill forms, take screenshots, check responsive design, validate UX, test login flows, check links, automate any browser task. Use when user wants to test websites, automate browser interactions, validate web functionality, or perform any browser-based testing.

by hugoduncan

Use this skill when users ask about benchmarking Clojure code, measuring performance, profiling execution time, or using the criterium library. Covers the 0.5.x API including bench macro, bench plans, viewers, domain analysis, and argument generation.

by DaveSkender

Implement BufferList incremental indicators with efficient state management. Use for IIncrementFromChain or IIncrementFromQuote implementations. Covers interface selection, constructor patterns, and BufferListTestBase testing requirements.

by DaveSkender

Implement Series-style batch indicators with mathematical precision. Use for new StaticSeries implementations or optimization. Series results are the canonical reference—all other styles must match exactly. Focus on cross-cutting requirements and performance optimization decisions.

by DaveSkender

Implement StreamHub real-time indicators with O(1) performance. Use for ChainHub or QuoteProvider implementations. Covers provider selection, RollbackState patterns, performance anti-patterns, and comprehensive testing with StreamHubTestBase.

by DaveSkender

Benchmark indicator performance with BenchmarkDotNet. Use for Series/Buffer/Stream benchmarks, regression detection, and optimization patterns. Target 1.5x Series for StreamHub, 1.2x for BufferList.

by DaveSkender

Testing conventions for Stock Indicators. Use for test naming (MethodName_StateUnderTest_ExpectedBehavior), FluentAssertions patterns, precision requirements, and test base class selection.

by udecode

Use when facing 3+ independent failures that can be investigated without shared state or dependencies - dispatches multiple Claude agents to investigate and fix independent problems concurrently

by udecode

Use when encountering any bug, test failure, or unexpected behavior, before proposing fixes - four-phase framework (root cause investigation, pattern analysis, hypothesis testing, implementation) that ensures understanding before attempting solutions

by CloudAI-X

Designs and implements testing strategies for any codebase. Use when adding tests, improving coverage, setting up testing infrastructure, debugging test failures, or when asked about unit tests, integration tests, or E2E testing.

by NeoLabHQ

Use when adding metadata to commits without changing history, tracking review status, test results, code quality annotations, or supplementing commit messages post-hoc - provides git notes commands and patterns for attaching non-invasive metadata to Git objects.

by NeoLabHQ

Use when executing implementation plans with independent tasks in the current session or facing 3+ independent issues that can be investigated without shared state or dependencies - dispatches fresh subagent for each task with code review between tasks, enabling fast iteration with quality gates

by NeoLabHQ

Use when working on multiple branches simultaneously, context switching without stashing, reviewing PRs while developing, testing in isolation, or comparing implementations across branches - provides git worktree commands and workflow patterns for parallel development with multiple working directories.

by skillcreatorai

Automate QA regression testing with reusable test skills. Create login flows, dashboard checks, user creation, and other common test scenarios that run consistently.

by modu-ai

Data format specialist covering TOON encoding, JSON/YAML optimization, serialization patterns, and data validation for modern applications. Use when optimizing data for LLM transmission, implementing high-performance serialization, validating data schemas, or converting between data formats.

by modu-ai

Electron 33+ desktop app development specialist covering Main/Renderer process architecture, IPC communication, auto-update, packaging with Electron Forge and electron-builder, and security best practices. Use when building cross-platform desktop applications, implementing native OS integrations, or packaging Electron apps for distribution. [KO: Electron 데스크톱 앱, 크로스플랫폼 개발, IPC 통신] [JA: Electronデスクトップアプリ、クロスプラットフォーム開発] [ZH: Electron桌面应用、跨平台开发]

by modu-ai

Modern C++ (C++23/C++20) development specialist covering RAII, smart pointers, concepts, ranges, modules, and CMake. Use when developing high-performance applications, games, system software, or embedded systems.

by modu-ai

C# 12 / .NET 8 development specialist covering ASP.NET Core, Entity Framework, Blazor, and modern C# patterns. Use when developing .NET APIs, web applications, or enterprise solutions.

by modu-ai

Elixir 1.17+ development specialist covering Phoenix 1.7, LiveView, Ecto, and OTP patterns. Use when developing real-time applications, distributed systems, or Phoenix projects.

by modu-ai

Flutter 3.24+ / Dart 3.5+ development specialist covering Riverpod, go_router, and cross-platform patterns. Use when building cross-platform mobile apps, desktop apps, or web applications with Flutter.

by modu-ai

Go 1.23+ development specialist covering Fiber, Gin, GORM, and concurrent programming patterns. Use when building high-performance microservices, CLI tools, or cloud-native applications.

by modu-ai

Java 21 LTS development specialist covering Spring Boot 3.3, virtual threads, pattern matching, and enterprise patterns. Use when building enterprise applications, microservices, or Spring projects.

by modu-ai

JavaScript ES2024+ development specialist covering Node.js 22 LTS, Bun 1.x (serve, SQLite, S3, shell, test), Deno 2.x, testing (Vitest, Jest), linting (ESLint 9, Biome), and backend frameworks (Express, Fastify, Hono). Use when developing JavaScript APIs, web applications, or Node.js projects.

by modu-ai

Kotlin 2.0+ development specialist covering Ktor, coroutines, Compose Multiplatform, and Kotlin-idiomatic patterns. Use when building Kotlin server apps, Android apps, or multiplatform projects.

by modu-ai

PHP 8.3+ development specialist covering Laravel 11, Symfony 7, Eloquent ORM, and modern PHP patterns. Use when developing PHP APIs, web applications, or Laravel/Symfony projects.

by modu-ai

R 4.4+ development specialist covering tidyverse, ggplot2, Shiny, and data science patterns. Use when developing data analysis pipelines, visualizations, or Shiny applications.

by modu-ai

Ruby 3.3+ development specialist covering Rails 7.2, ActiveRecord, Hotwire/Turbo, and modern Ruby patterns. Use when developing Ruby APIs, web applications, or Rails projects.

by modu-ai

Rust 1.92+ development specialist covering Axum, Tokio, SQLx, and memory-safe systems programming. Use when building high-performance, memory-safe applications or WebAssembly.

by modu-ai

Scala 3.4+ development specialist covering Akka, Cats Effect, ZIO, and Spark patterns. Use when building distributed systems, big data pipelines, or functional programming applications.

by modu-ai

Swift 6+ development specialist covering SwiftUI, Combine, Swift Concurrency, and iOS patterns. Use when building iOS apps, macOS apps, or Apple platform applications.

by modu-ai

TypeScript 5.9+ development specialist covering React 19, Next.js 16 App Router, type-safe APIs with tRPC, Zod validation, and modern TypeScript patterns. Use when developing TypeScript applications, React components, Next.js pages, or type-safe APIs.

by modu-ai

Auth0 security specialist covering attack protection, multi-factor authentication, token security, sender constraining, and compliance. Use when implementing Auth0 security features, configuring attack defenses, setting up MFA, or meeting regulatory requirements.

by modu-ai

Clerk modern authentication specialist covering WebAuthn, passkeys, passwordless, and beautiful UI components. Use when implementing modern auth with great UX.

by modu-ai

Convex real-time backend specialist covering TypeScript-first reactive patterns, optimistic updates, server functions, and file storage. Use when building real-time collaborative apps, implementing reactive queries, or integrating with Clerk/Auth0.

by modu-ai

Firebase Authentication specialist covering Google ecosystem, social auth, phone auth, and mobile-first patterns. Use when building Firebase-backed or Google ecosystem apps, implementing social login, or adding phone verification.

by modu-ai

Firebase Firestore specialist covering NoSQL patterns, real-time sync, offline caching, and Security Rules. Use when building mobile-first apps with offline support, implementing real-time listeners, or configuring Firestore security.

by modu-ai

Neon serverless PostgreSQL specialist covering auto-scaling, database branching, PITR, and connection pooling. Use when building serverless apps needing PostgreSQL, implementing preview environments, or optimizing database costs.

by modu-ai

Railway container deployment specialist covering Docker, multi-service architectures, persistent volumes, and auto-scaling. Use when deploying containerized full-stack applications, configuring multi-region deployments, or setting up persistent storage.

by modu-ai

Supabase specialist covering PostgreSQL 16, pgvector, RLS, real-time subscriptions, and Edge Functions. Use when building full-stack apps with Supabase backend.

by modu-ai

Vercel edge deployment specialist covering Edge Functions, Next.js optimization, preview deployments, ISR, and storage solutions. Use when deploying Next.js applications, implementing edge computing, or configuring Vercel platform features.

by conorluddy

21 production-ready scripts for iOS app testing, building, and automation. Provides semantic UI navigation, build automation, accessibility testing, and simulator lifecycle management. Optimized for AI agents with minimal token output.

by Gentleman-Programming

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by Gentleman-Programming

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by dropseed

Workflow for adding type annotations to Plain packages. Use this when adding or improving type coverage.

by dropseed

Makes HTTP requests to test URLs, check endpoints, fetch pages, or debug routes. Use when asked to look at a URL, hit an endpoint, test a route, or make GET/POST requests.

by dropseed

Runs pytest tests with Plain configured. Use for running tests, debugging failures, or verifying changes.

by cloudflare

Use when writing or running tests for this project. Covers unit vs E2E test decisions, test file locations, mock patterns, and project-specific testing conventions. (project)

by Starlitnightly

Trajectory & RNA velocity: PAGA, Palantir, VIA, dynamo, scVelo, latentvelo, graphvelo backends via ov.single.Velo. Pseudotime, stream plots.

by Starlitnightly

Spatial transcriptomics: Visium/HD, Stereo-seq, Slide-seq preprocessing (crop, rotate, cellpose), deconvolution (Tangram, cell2location, Starfysh), clustering (GraphST, STAGATE), integration, trajectory, communication.

by Starlitnightly

STRING protein-protein interaction network analysis with pyPPI: query STRING database, build PPI graphs, expand with add_nodes, and visualize styled networks for bulk gene lists.