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880 Claude Code skills in the Languages sub-category of Engineering.

880 skills · updated 2026-06-12 · showing 1–60 of 880 by quality score

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Generate DOCX documents from pipeline results or structured data. Uses python-docx library for Word document generation.
Распаковка и сборка бинарных файлов 1С (CF/CFE/EPF) через Python-утилиту v8unpack. Используй когда нужно распаковать конфигурацию, расширение или обработку в исходники, или…
Build reproducible scientific documents, presentations, and websites with Quarto supporting R, Python, Julia, and Observable JS.
Cloudflare Zero Trust Access authentication for Workers. Use for JWT validation, service tokens, CORS, or encountering preflight blocking, cache race conditions, missing JWT…
Compare CPython source code between two Python versions to identify changes in headers and structs. Use this when adding support for a new Python version to understand what…
Essential guidelines for writing modern, type-safe, and idiomatic Python 3 code.
Expert-level C# development with .NET 8+, ASP.NET Core, LINQ, async/await, and enterprise patterns
Use when lINQ query and method syntax, deferred execution, and performance optimization. Use when querying collections in C#.
Use when C# nullable reference types and value types for null safety, nullable annotations, and patterns for handling null values.
ESLint, Prettier, and StyleLint configuration standards for JavaScript code quality and formatting, including flat config setup, rule management, and build integration
JavaScript project structure, package.json configuration, dependency management, and Maven integration standards for consistent project setup and builds
Find all CPython internal headers and structs used in the codebase, particularly for profiling functionality.
Analyzes Java stack traces, diagnoses exceptions, identifies root causes, and troubleshoots performance problems.
Refactors legacy Java code to modern patterns and best practices. Use when modernizing old Java code, converting to Java 8+ features, refactoring legacy applications, applying…
Use when Java concurrency with ExecutorService, CompletableFuture, and virtual threads. Use when building concurrent applications.
Expert-level Java development with Java 21+ features, Spring Boot, Maven/Gradle, and enterprise best practices
Use when Java generics including type parameters, wildcards, and type bounds. Use when writing type-safe reusable code.
Use when Java Streams API for functional-style data processing. Use when processing collections with streams.
Expert-level JavaScript development with modern ES2024+ features, Node.js, npm ecosystem, and best practices
Rédige un message de commit Git pour un projet PHP/Symfony, en suivant la convention Emoji-Log. À utiliser dès que l'utilisateur demande un commit ou un message de commit.
Pre-landing review workflow for Codex. Analyze the diff against the default branch for structural bugs, trust-boundary issues, race conditions, missing tests, and other problems…
The intelligence layer for Claude skills — without Python. Maintains a trust-rated catalog (curated entries + live GitHub topic search via curl), identifies what fits your project…
Редактирование PPTX-презентаций через python-pptx. Использовать при добавлении/изменении слайдов, синтаксической подсветке, управлении шрифтами и форматированием через XML.
ESP32 El Trabajante Firmware-Entwicklung für AutomationOne IoT-Framework. Verwenden bei: C++, PlatformIO, Sensor hinzufügen, Actuator erstellen, Driver implementieren, Service…
Extract clean markdown from any URL, including JavaScript-rendered SPAs. Use this skill whenever the user provides a URL and wants its content, says "scrape", "grab", "fetch",…
Creates, lists, and manages Architecture Decision Records for Java projects. Use when user asks to "create an ADR", "document this decision", "write an architecture decision",…
Reviews Java REST API design including HTTP methods, status codes, naming, and versioning. Use when user asks to "review my API", "check REST design", "is this good REST", "review…
Generates a Conventional Commits message for staged Java changes. Use when user asks to "write a commit message", "help me commit", "what should my commit say", "summarize my…
Reviews Java code for thread safety, race conditions, deadlocks, and Java 21 virtual thread compatibility.
Generates a complete Spring Boot CRUD feature (entity, repository, service, controller, DTOs, tests) in an existing project.
Detects GoF patterns in Java code or recommends the right pattern for a problem. Use when user asks to "what pattern is this", "detect design patterns", "suggest a pattern",…
Generates Javadoc comments for Java classes and methods. Use when user asks to "add javadoc", "document this class", "write documentation", "add comments", "generate docs", or…
Explains Java code in plain language including design patterns. Use when user asks to "explain this code", "what does this do", "help me understand", "walk me through this", or…
Diagnoses and fixes Java compile errors, runtime exceptions, and stack traces. Use when user asks to "fix this error", "this won't compile", "I'm getting an exception", "debug…
Runs a holistic code health check scoring Security, Tests, Performance and Quality with A-F grades. Use when user asks to "check health", "score this project", "health check",…
Reviews Spring Data JPA for N+1 queries, fetch strategies, projections, and Specifications. Use when user asks to "review JPA", "check for N+1", "JPA performance", "review my…
Reviews Java logging for SLF4J best practices, MDC context, structured logging, and PII safety. Use when user asks to "review logging", "check my logs", "logging review", "is my…
Interactive Java version upgrade guide (8 to 11, 11 to 17, 17 to 21). Use when user asks to "migrate to Java 17", "upgrade to Java 21", "Java migration guide", "move from Java 11…
Quick Java performance scan flagging N+1 queries, memory issues, threading problems, and algorithmic hotspots.
Suggests and applies version-gated Java refactorings. Use when user asks to "refactor this", "clean up this code", "modernize this Java", "simplify this", "extract method",…
Reviews Java code for bugs, naming issues, code smells, and version-appropriate idioms. Use when user asks to "review this code", "check my Java", "look at this class", "find…
Scaffolds a brand-new Spring Boot project from scratch — build file, package structure, and a starter feature.
Checks Java code for SOLID principles violations with Java-specific patterns. Use when user asks to "check SOLID principles", "is this good OOP", "single responsibility", "SOLID…
Generates JUnit 5 and Mockito unit tests or Testcontainers integration tests, auto-detecting project setup.
Проверка Python-кода на соответствие принципам программирования проекта — SSOT, DRY, именование, структура. Используй при code review, после написания нового кода или рефакторинга.
Use when the user runs /ruby-upgrade-toolkit:rules or asks to add, list, validate, show, remove, disable, enable, or explain project-specific upgrade rules — gem pins, gem swaps,…
Создание нового Python-скрипта автоматизации с docstring, argparse и регистрацией в README. Используй при добавлении скрипта валидации, синхронизации или другой автоматизации…
Обновление логики, рефакторинг или удаление Python-скрипта автоматизации. Используй при изменении поведения скрипта, добавлении новых проверок, исправлении ошибок или удалении…
Проверка Python-скрипта на соответствие стандарту — docstring, argparse, кодировка, регистрация в README.
Advanced TypeScript type system patterns for production codebases. [What: branded types for nominal typing, discriminated unions, template literal types, conditional types, the…
Python quality checks: ruff, pytest, mypy, bandit in deterministic order.
Symbolic computation using SymPy for Python-based mathematical analysis
TypeScript type checking via tsc --noEmit with actionable error output.
Rust 의존성 안전 업데이트. 「Rust 의존성 업데이트해줘」「Cargo.toml 업데이트」「crate 최신화」등으로 기동.
Use when you need to review, improve, or troubleshoot a Maven pom.xml file — including dependency management with BOMs, plugin configuration, version centralization, mult — from…
Use when you need to add or evaluate Maven dependencies that improve code quality — including nullness annotations (JSpecify), static analysis (Error Prone + NullAway), f — from…
Use when you need to add or configure Maven plugins in your pom.xml — including quality tools (enforcer, surefire, failsafe, jacoco, pitest, spotbugs, pmd), security scan — from…
Use when you need to create a DEVELOPER.md file for a Maven project — combining a fixed base template with dynamic sections derived from the project pom.xml, including a — from…
Covers Maven Central search (Search API, maven-metadata.xml, artifact URLs) and project-local update reports via versions-maven-plugin (display-property-updates, display- — from…
Use when you need to review, improve, or refactor Java code for object-oriented design quality — including applying SOLID, DRY, and YAGNI principles, improving class and — from…
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