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Claude Engineering Skills (Page 20 of 333)

Code review, refactoring, testing, DevOps, CI/CD, databases, cloud platforms, and full-stack development skills for Claude Code.

19,974 skills · updated 2026-06-18 · showing 1141–1200 of 19,974 by quality score

Sub-topics:Testing (2,915)Devops (2,881)Architecture (2,187)Backend (1,695)Frontend (1,297)Languages (1,061)Code Quality (998)Cloud Platforms (929)

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Use when you need to apply Java secure coding best practices — including validating untrusted inputs, defending against injection attacks with parameterized queries, mini — from…
Use when you need to apply Java concurrency best practices — including thread safety fundamentals, ExecutorService thread pool management, concurrent design patterns like…
Use when you need to review, improve, or refactor Java code for generics quality — including avoiding raw types, applying the PECS (Producer Extends Consumer Super) principle for…
Use when you need to apply testing strategies for Java code — RIGHT-BICEP to guide test creation, A-TRIP for test quality characteristics, or CORRECT for verifying bounda — from…
Use when you need to review, improve, or write Java unit tests — including migrating from JUnit 4 to JUnit 5, adopting AssertJ for fluent assertions, structuring tests wi — from…
Use when you need to set up, review, or improve Java integration tests — including generating a BaseIntegrationTest.java with WireMock for HTTP stubs, detecting HTTP clie — from…
Use when you need to implement acceptance tests from a Gherkin .feature file for framework-agnostic Java (no Spring Boot, Quarkus, Micronaut) — finding @acceptance scenar — from…
Used by /flow-next:prime to scan for environment setup, .env templates, Docker, and devcontainer configuration. Do not invoke directly. — from tools-only/X-Skills
Use when you need to refactor Java code to adopt modern Java features (Java 8+) — including migrating anonymous classes to lambdas, replacing Iterator loops with Stream A — from…
Use when you need to apply functional programming principles in Java — including writing immutable objects and Records, pure functions, functional interfaces, lambda expr — from…
Use when you need to apply functional exception handling best practices in Java — including replacing exception overuse with Optional and VAVR Either types, designing err — from…
Use when you need to apply data-oriented programming best practices in Java — including separating code (behavior) from data structures using records, designing immutable — from…
Use when you need to set up JMeter performance testing for a Java project — including creating the run-jmeter.sh script from the exact template, configuring load tests wi — from…
Implements email service using AWS SES for .NET APIs. Designed for applications with HTML template support, placeholder replacement, and Result pattern error handling.
Use when you need to set up Java application profiling to detect and measure performance issues — including automated async-profiler v4.0 setup, problem-driven profiling — from…
Use when you need to analyze Java profiling data collected during the detection phase — including interpreting flamegraphs, memory allocation patterns, CPU hotspots, thre — from…
Use when you need to refactor Java code based on profiling analysis findings — including reviewing docs/profiling-problem-analysis and docs/profiling-solutions, identifyi — from…
Use when you need to verify Java performance optimizations by comparing profiling results before and after refactoring — including baseline validation, post-refactoring r — from…
Use when you need to generate or improve Java project documentation — including README.md files, package-info.java files, and Javadoc enhancements — through a modular, st — from…
Use when you need to implement or improve Java logging and observability — including selecting SLF4J with Logback/Log4j2, applying proper log levels (ERROR, WARN, INFO, D — from…
1C:Enterprise (1С:Предприятие) development tools via EDT MCP server — BSL code analysis, metadata inspection, module navigation, error checking, debugging, configuration…
1C platform API documentation tools via bsl-platform-help MCP server — search, info, members, constructors. Supports keyword, semantic (embeddings), and hybrid search.
Операции с платформой 1С в этом проекте — командами расширения 1C: Platform tools. Используй, когда пользователь просит загрузить/выгрузить конфигурацию, запустить Конфигуратор…
Загрузка и выгрузка расширений конфигурации 1С. Используй, когда пользователь просит загрузить расширение из исходников, выгрузить в cfe, собрать или разобрать cfe, загрузить из…
Сборка и разборка внешних обработок и отчётов (EPF/ERF). Используй, когда пользователь просит собрать EPF/ERF, разобрать обработку или отчёт в исходники, удалить кэш внешних…
Инструменты MCP для команд 1C: Platform tools. Используй, когда нужно выполнить загрузку/выгрузку конфигурации, расширений, сборку EPF/ERF, запуск Конфигуратора/Предприятия,…
Запуск Конфигуратора и Предприятия 1С. Используй, когда пользователь просит запустить Конфигуратор, Предприятие, открыть 1С, запустить конфигуратор 1С.
Установка версии конфигурации. Используй, когда пользователь просит установить версию конфигурации, выставить версию, обновить ConfigDumpInfo или версию в метаданных.
Поддержка конфигурации и поставка. Используй, когда пользователь просит выгрузить в dist, обновить поддержку из cf/cfu, создать комплект поставки, файлы cf/cfu, шаблон поставки.
Guide for adding new blockchain chains to OneKey. Use when implementing new chain support, adding blockchain protocols, or understanding chain architecture.
Adds new WebSocket event subscriptions to OneKey. Use when implementing new socket events, handling server push messages, or adding real-time data subscriptions.
Analytics event tracking for OneKey. Use when adding tracking events, logging to server, user behavior tracking, or business metrics.
Create test versions to verify app auto-update functionality. Use when testing update flows, version migration, or validating app upgrade mechanisms.
OneKey monorepo architecture and code organization. Use when understanding project structure, package relationships, import rules, or component organization.
Coding patterns and best practices for OneKey development. Use when writing React components, handling promises, error handling, or following code conventions.
Cross-platform development patterns for OneKey. Use when writing platform-specific code, handling platform differences, or working with native/web/desktop/extension platforms.
Development commands for OneKey monorepo. Use when running dev servers, building apps, linting, testing, or troubleshooting build issues.
Patches native modules (expo-image, react-native, etc.) to fix native crashes or bugs.
Documents minimum SDK/OS version requirements for all OneKey platforms. Use when checking platform compatibility, understanding deployment targets, verifying version requirements,…
Sentry error tracking and monitoring for OneKey. Use when configuring Sentry, filtering errors, analyzing crash reports, or debugging production issues.
OneKey TradingView app bridge guide. Use when changing or debugging TradingView/WebView/iframe communication, chart URL params, kline/history/realtime messages, marks, Hyperliquid…
Identify friction points, bottlenecks, bugs, and technical debt. Use for audits, debugging sessions, when something feels wrong, or before major work to surface hidden is — from…
Identify friction points, bottlenecks, bugs, and technical debt. Use for audits, debugging sessions, when something feels wrong, or before major work to surface hidden is — from…
OpenClaw-based SLG game. Multiplayer, real-time commands, planning. Battle with other lobsters, build alliances.
Generates unit tests for command and query handlers using xUnit and NSubstitute. Implements Arrange-Act-Assert pattern with comprehensive test coverage for success and failure…
Build websites and web apps using 21st.dev — the largest marketplace of shadcn/ui-based React Tailwind components with 1400+ components.
Configures integration tests with WebApplicationFactory and Testcontainers. Provides test database setup, authentication helpers, and utilities for testing API endpoints with real…
Stratégies de gestion d'erreurs, logging, debugging et troubleshooting dans la stack NestJS + Next.js de Lumira V2.
Implements ASP.NET Core rate limiting middleware for API protection. Covers fixed window, sliding window, token bucket, and concurrency limiters with custom policies.
PostgreSQL database design best practices, naming conventions, indexing strategies, and performance optimization for .NET applications using Npgsql and EF Core.
[30] ANALYZE. Understand how changes impact the system — what's the core, what's affected, what depends on what.
Use when you need to review, improve, or build Spring Boot 4.0.x applications — including proper usage of @SpringBootApplication, component annotations (@Controller, @Ser — from…
Use when you need to design, review, or improve REST APIs with Spring Boot — including HTTP methods, resource URIs, status codes, DTOs, versioning, deprecation and sunset — from…
Use when you need to design, review, or improve validation in Spring Boot applications — including Bean Validation on request DTOs, @Valid/@Validated at API boundaries, c — from…
[31] ANALYZE. Universal deep thinking methodology for any situation requiring quality reasoning. Use when solving problems, debugging, making decisions, analyzing code, planning,…
Use when you need to write or review programmatic JDBC with Spring — including JdbcClient (Spring Framework 7+) as the default API, JdbcTemplate only where batch/streamin — from…
Use when you need to use Spring Data JDBC with Java records — including entity design with records, repository pattern, immutable updates, aggregate relationships, custom — from…
Use when you need to add or review Flyway database migrations in a Spring Boot application — Maven dependencies, db/migration scripts, spring.flyway.* configuration, base — from…
Use when you need to write unit tests for Spring Boot applications — including pure unit tests with @ExtendWith(MockitoExtension.class) for @Service/@Component, slice tes — from…
Use when you need to write or improve integration tests — including Testcontainers with @ServiceConnection, @DataJdbcTest persistence slices, TestRestTemplate or MockMvcT — from…
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