Agent skills
Skills you can use with AI coding agents, indexed from public GitHub repositories.
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Writing Tests
Principles for writing effective, maintainable tests. Covers naming conventions, assertion best practices, and comprehensive edge case checklists. Based on BugMagnet by Gojko Adzic.
majiayu000/claude-skill-registry 163
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mutation-test-runner
Mutation Test Runner - Auto-activating skill for Test Automation.
Triggers on: mutation test runner, mutation test runner
Part of the Test Automation skill category.
majiayu000/claude-skill-registry 163
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mock-infrastructure-engineer
Creates and optimizes MSW (Mock Service Worker) handlers for Playwright E2E tests, implementing handler caching, fixture management, and AI Gateway mocking patterns. Use when mock setup is slow or test data needs centralization.
majiayu000/claude-skill-registry 163
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fastmcp-builder
Build production-ready MCP servers using FastMCP framework with proven patterns for tools, resources, prompts, OAuth authentication, and comprehensive testing. Use this when creating FastMCP-based MCP servers with features like Google OAuth, multiple resource types, testing with FastMCP Client, or complex tool implementations.
majiayu000/claude-skill-registry 163
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modernize
Brownfield Upgrade - Upgrade all dependencies and modernize the application while maintaining spec-driven control. Runs after Gear 6 for brownfield projects with modernize flag enabled. Updates deps, fixes breaking changes, improves test coverage, updates specs to match changes.
majiayu000/claude-skill-registry 163
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skill-documentarian
Documentation expert for Claude Skills showcase website. Maintains skill-to-website sync, manages tag taxonomy and badges, creates blog-style artifacts, and preserves multi-skill collaborations for posterity. Activate on 'document', 'sync skills', 'create artifact', 'validate skills', 'add tags', 'tag management', 'badge', 'metadata'. NOT for code implementation (use domain skills), design creation (use web-design-expert), testing (use test-automator), or project planning (use orchestrator).
majiayu000/claude-skill-registry 163
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moai-alfred-rules
Mandatory rules for Skill invocation, AskUserQuestion usage, TRUST principles, TAG validation, and TDD workflow. Use when validating workflow compliance, checking quality gates, enforcing MoAI-ADK standards, or verifying rule adherence.
majiayu000/claude-skill-registry 163
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workflows-work
This skill should be used when executing work plans, specifications, or todo files systematically while maintaining quality and shipping complete features.
majiayu000/claude-skill-registry 163
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backend-testing
バックエンド（Rust/Tauri）のテスト実装とデバッグを行います。Rustのテスト作成、cargo testの実行、テストエラーの修正、Repository/Service/Facadeレイヤーのテストなどのバックエンドテスト関連タスクに使用します。
majiayu000/claude-skill-registry 163
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writing-go-tests
Applies current Go testing best practices. Use when writing or modifying Go test files or advising on Go testing strategies.
majiayu000/claude-skill-registry 163
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tool-testing
Write pytest tests for Tool Master tools. Use this skill FIRST when the user asks to write tests, add tests, create tests, or improve test coverage for any tool. Handles mocking, fixtures, and async test patterns.
majiayu000/claude-skill-registry 163
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test-pyramid-design
Design optimal test pyramids with unit/integration/E2E ratios. Identify anti-patterns and recommend architecture-specific testing strategies.
majiayu000/claude-skill-registry 163
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identity-resolution
Use to match accounts, contacts, and opportunities across enrichment sources with governed rules.
majiayu000/claude-skill-registry 163
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unityaiforge
AI-powered Unity development toolkit with Model Context Protocol integration
majiayu000/claude-skill-registry 163
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smc-harness
SMC trading agent skill for Alpha Harness backtesting. Provides ICT/SMC methodology,
decision frameworks, and behavioral guidelines for autonomous trading in simulated
environments. USE WHEN agent wakes in harness, needs to analyze markets, decide on
setups, or place orders.
majiayu000/claude-skill-registry 163
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superbpe
Train and use SuperBPE tokenizers for 20-33% token reduction across any project. Covers training, optimization, validation, and integration with any LLM framework. Use when you need efficient tokenization, want to reduce API costs, or maximize context windows.
majiayu000/claude-skill-registry 163
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infra-tdd
JpaEntity, Adapter, Repository 클래스를 구현할 때 반드시 사용. 인프라 계층 구현 시 TDD(Red-Green-Refactor) 방식으로 진행. "JpaEntity 구현", "Adapter 구현", "Repository 구현", "영속성 계층" 작업 시 자동 발동.
majiayu000/claude-skill-registry 163
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testing-guide
Testing pyramid and test writing standards for UT/IT/ST/E2E.
Use when: writing tests, discussing test coverage, test strategy, or test naming.
Keywords: test, unit, integration, e2e, coverage, mock, 測試, 單元, 整合, 端對端.
majiayu000/claude-skill-registry 163
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implementation-verifier
Verify implementation completeness against spec and tasks. Use after implementation to ensure all tasks are complete, tests pass, and code meets quality standards before marking feature done.
majiayu000/claude-skill-registry 163
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tracking-industry-trends
Identifies, monitors, and analyzes industry trends including technology adoption, market shifts, regulatory changes, and emerging patterns using weak signal detection and trend forecasting. Use when the user requests trend analysis, industry forecasting, emerging technology tracking, or wants to identify market opportunities and threats.
majiayu000/claude-skill-registry 163
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testing-benchmarking-infrastructure
Testing suite with benchmarking for version-to-version performance comparison
majiayu000/claude-skill-registry 163
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Frontend Accessibility
Implement accessible UI components using semantic HTML elements, keyboard navigation support, sufficient color contrast ratios, alternative text for images, ARIA attributes when needed, logical heading structure, and proper focus management. Use this skill when creating UI components, forms, interactive elements, navigation menus, modals or dialogs, implementing keyboard shortcuts, adding screen reader support, ensuring WCAG compliance, or testing with assistive technologies. This skill applies when working on any frontend component files, HTML templates, Vue components, React components, or any user interface code that needs to be accessible to all users including those with disabilities.
majiayu000/claude-skill-registry 163
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integration-e2e-testing
Integration and E2E test design principles, ROI calculation, test skeleton specification, and review criteria. Use when designing integration tests, E2E tests, or reviewing test quality.
majiayu000/claude-skill-registry 163
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plugin-tester
Validate and test plugins before deployment
majiayu000/claude-skill-registry 163