Agent skills
Skills you can use with AI coding agents, indexed from public GitHub repositories.
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ac-expander
Turn vague Acceptance Criteria into measurable checks and test assertions
majiayu000/claude-skill-registry 163
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agent-market-researcher
Expert market researcher specializing in market analysis, consumer insights, and competitive intelligence. Masters market sizing, segmentation, and trend analysis with focus on identifying opportunities and informing strategic business decisions.
majiayu000/claude-skill-registry 163
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qc-backtest-runner
Automate QuantConnect cloud backtesting workflow with GitHub integration. Push strategies to QuantConnect cloud, execute backtests, wait for completion, and retrieve performance metrics. This skill should be used when running backtests on QuantConnect cloud or testing trading strategies.
majiayu000/claude-skill-registry 163
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typo-injector
Introduces spelling errors into text at a specified rate. Use when you need to corrupt text with typos for testing or analysis.
majiayu000/claude-skill-registry 163
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pal-testgen
Comprehensive test suite generation with edge case coverage using PAL MCP. Use for creating tests, improving coverage, or identifying untested paths. Triggers on test generation requests, coverage improvement, or testing strategy.
majiayu000/claude-skill-registry 163
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test-plan-generator
Generate intelligent, non-redundant test plans based on implementation changes. This skill should be used after implementing features to create comprehensive yet efficient test plans with proper coverage across unit, integration, API, and E2E tests without duplication.
majiayu000/claude-skill-registry 163
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symmetry-validation-suite
Use when you need to empirically test whether hypothesized symmetries actually hold in your data or model. Invoke when user mentions testing invariance, validating equivariance, checking if symmetry assumptions are correct, debugging symmetry-related model failures, or needs data-driven validation before committing to equivariant architecture. Provides test protocols and metrics.
majiayu000/claude-skill-registry 163
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bio-vcf
This skill should be used when the user asks to analyze, filter, or inspect VCF/BCF variant files from WGS/WES sequencing. Triggers include requests to calculate variant statistics, filter variants by quality/depth/frequency, extract variants from specific chromosomes or regions, or export variant data as JSON for downstream analysis.
majiayu000/claude-skill-registry 163
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symmetry-validation-suite
Use when you need to empirically test whether hypothesized symmetries actually hold in your data or model. Invoke when user mentions testing invariance, validating equivariance, checking if symmetry assumptions are correct, debugging symmetry-related model failures, or needs data-driven validation before committing to equivariant architecture. Provides test protocols and metrics.
majiayu000/claude-skill-registry 163
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claude-mobile-validation-gate
Use when executing validation gates 3A, 4A, or 6A-E, verifying phase completion with expo-mcp visual testing, or encountering test failures - automates gate execution with expo-mcp autonomous verification and HARD STOP enforcement
majiayu000/claude-skill-registry 163
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backend-dev-guidelines
Comprehensive backend development guide for Node.js/Express/TypeScript microservices. Use when creating routes, controllers, services, repositories, middleware, or working with Express APIs, Prisma database access, Sentry error tracking, Zod validation, unifiedConfig, dependency injection, or async patterns. Covers layered architecture (routes → controllers → services → repositories), BaseController pattern, error handling, performance monitoring, testing strategies, and migration from legacy patterns.
majiayu000/claude-skill-registry 163
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vigil-testing-e2e
End-to-end testing with Vitest for Vigil Guard v2.0.0 detection engine. Use when writing tests, debugging test failures, managing fixtures, validating 3-branch detection, working with 8 test files, analyzing bypass scenarios, or testing arbiter decisions.
majiayu000/claude-skill-registry 163
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nextjs-middleware
majiayu000/claude-skill-registry 163
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e2e-testing
Enforces project E2E testing conventions using Playwright with custom fixtures, Page Object Model, and authentication contexts.
majiayu000/claude-skill-registry 163
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ab-testing-analyzer
全面的AB测试分析工具，支持实验设计、统计检验、用户分群分析和可视化报告生成。用于分析产品改版、营销活动、功能优化等AB测试结果，提供统计显著性检验和深度洞察。
majiayu000/claude-skill-registry 163
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unit-test-specialist
Expert guidance on unit testing for the Pomodoro Time Tracker. Activates when working with tests, test coverage, or testable code patterns.
majiayu000/claude-skill-registry 163
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moai-baas-railway-ext
Enterprise Railway Full-Stack Platform with AI-powered container orchestration, Context7 integration, and intelligent deployment automation for scalable modern applications
majiayu000/claude-skill-registry 163
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use-fllib
Use fl_lib stores, widgets, utils, and extensions in Flutter apps. Use when requests mention fl_lib APIs or integration.
majiayu000/claude-skill-registry 163
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junit-fundamentals
Use when jUnit fundamentals including annotations, assertions, and test lifecycle for Java testing.
majiayu000/claude-skill-registry 163
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creating-swot-analysis
Creates structured SWOT (Strengths, Weaknesses, Opportunities, Threats) analysis with strategic implications and action planning. Use when the user requests SWOT analysis, strategic assessment, competitive positioning evaluation, or wants to identify internal capabilities and external factors.
majiayu000/claude-skill-registry 163
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test-selection
Remote App 선택형 UI 테스트용 스킬. Use when (1) 선택형 응답 UI 테스트,
(2) Remote App 연동 검증, (3) awaiting_type=selection 시뮬레이션.
majiayu000/claude-skill-registry 163
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generate-ad-copy
Generate two distinct, creative, and copyright-compliant ad copy variations based on campaign parameters and research insights. Use when creating advertising text content including headlines, body copy, and calls-to-action. Triggers on requests to write ad copy, create ad text, generate headlines, or develop platform-specific ad messaging for A/B testing.
majiayu000/claude-skill-registry 163
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macos-game-testing
Test the Nathaniel macOS game. Use when asked to test the macOS version, verify changes work on Mac, run sanity tests on desktop, or when the user says "test macOS", "run on mac", "verify mac build".
majiayu000/claude-skill-registry 163
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pytest-best-practices
Expert guidance for writing high-quality pytest tests. Use when writing tests, setting up fixtures, parametrizing, mocking, or reviewing test code.
majiayu000/claude-skill-registry 163