Java

Quarkus 3.x LTS architecture patterns with Camel for messaging, RESTful API design, CDI services, data access with Panache, and async processing.

affaan-m/ECC

Scaffold, write, debug, and enhance enterprise-grade Playwright E2E tests in Java using Page Object Model, JUnit 5, Allure reporting, and parallel execution.

davila7/claude-code-templates

This skill should be used when the user asks for patterns, best practices, creation, or fixing of Sankhya dashboards using HTML, JSP, Java, and SQL.

sickn33/agentic-awesome-skills

Code review automation for TypeScript, JavaScript, Python, Go, Swift, Kotlin, C, .NET, Java, C, C++, Rust, Ruby, PHP, and Dart/Flutter.

alirezarezvani/claude-skills

A skill your agent uses when needing to fetch Android source code — AOSP platform internals (@hide APIs, framework classes, system services) or AndroidX/Jetpack library source and samples.

rcosteira79/android-skills

Comprehensive guide for setting up and configuring CodeQL code scanning via GitHub Actions workflows and the CodeQL CLI.

github/awesome-copilot

Reformat source code in this project using its own code-style settings — through the IntelliJ IDE when it's running, otherwise via the project's own formatter (Spotless / google-java-format /…

Amplicode/spring-skills

新增或修改 DevUtils DevEngine 第三方框架解耦实现：读取 DevAssist Engine 接口、DevEngine core 实现、 extensions 调用入口、默认初始化和 README，实现 JSON、Log、Image、Permission、Toast 等 Engine； 在用户要求创建某个功能 Engine、新增 Engine 实现、替换第三方库或扩展…

afkT/DevUtils

Checklist-driven review of Java code covering null safety, exception handling, collections and streams, and concurrency, with findings reported by severity.

decebals/claude-code-java

A skill your agent uses when the user asks about using Gemini in an enterprise environment or explicitly mentions Vertex AI, Google Cloud, or Agent Platform.

google/skills

Provides AWS Secrets Manager patterns for AWS SDK for Java 2.x, including secret retrieval, caching, rotation-aware access, and Spring Boot integration.

giuseppe-trisciuoglio/developer-kit

Find places where documented API contracts and the implementation diverge

ben-manes/caffeine

Java Memory Model audit of all VarHandle/volatile field access modes

ben-manes/caffeine

Code style, logging, and testing conventions for SkillHub backend (Java) and frontend (TypeScript).

iflytek/skillhub

The complete development workflow for SkillHub contributors including local dev, staging validation, testing, and PR creation.

iflytek/skillhub

Testing conventions, CI pipeline rules, and smoke test coverage for SkillHub.

iflytek/skillhub

A skill your agent uses when learning Rust concepts. An agent skill from fjrevoredo/mini-diarium.

fjrevoredo/mini-diarium

The language-neutral foundation for Airflow language SDKs — implement task logic in a non-Python language while the DAG stays in Python.

astronomer/agents

Generate a full-schema DDL script (CREATE TABLE + ALTER TABLE ADD COLUMN) into the project's tmp/ folder by temporarily enabling EclipseLink DDL generation, rebuilding, and redeploying the local app.

hmislk/hmis

Design, implement, and refactor Ports & Adapters systems with clear domain boundaries, dependency inversion, and testable use-case orchestration across TypeScript, Java, Kotlin, and Go services.

yamcodes/arkenv

Set up a modded Minecraft server from a CurseForge/Modrinth server pack zip.

RedWoodOG/Hermes-Desktop

Migrate Java code from javax. An agent skill from github/awesome-copilot.

github/awesome-copilot

This skill provides comprehensive guidance for SAP Business Application Studio (BAS), the cloud-based IDE on SAP BTP built on Code-OSS.

secondsky/sap-skills

File a LeetCode Java solution into this repo the way the existing ones are filed — put it in the package its pattern owns, write the file-level javadoc header (<number.

yennanliu/CS_basics

Software Composition Analysis (SCA) and container vulnerability scanning using Aqua Trivy for identifying CVE vulnerabilities in dependencies, container images, IaC misconfigurations, and license…

AgentSecOps/SecOpsAgentKit

Neo4j Java Driver v6 — driver lifecycle, Maven/Gradle setup, executableQuery, executeRead/Write managed transactions, explicit transactions, async/reactive patterns, error handling, data type…

neo4j-contrib/neo4j-skills

Provides file paths to language-specific reference files for the test ANALYSIS skills (assertion-quality, test-anti-patterns, test-gap-analysis, test-smell-detection, test-tagging).

microsoft/testfx

Guide for upgrading Java projects between major versions (8→11→17→21→25).

decebals/claude-code-java

Analyze cryptographic code to detect operations that leak secret data through execution timing variations.

sickn33/agentic-awesome-skills

Launches the Pure LSP bridge scoped to legend-engine with defaults baked in - the go-to entrypoint for 'just start the LSP for legend-engine'.

finos/legend-engine

Run the full local build that mirrors CI for FireCrasher — unit tests, Android lint, and the ABI baseline comparison.

osama-raddad/FireCrasher

AI-powered codebase security scanner that reasons about code like a security researcher — tracing data flows, understanding component interactions, and catching vulnerabilities that pattern-matching…

github/awesome-copilot

Optimize code performance through iterative improvements (max 2 rounds).

huangruiteng/CS-Notes

Java 编码最佳实践与设计模式

Leavesfly/Jimi

Generates Cucumber BDD tests with Gherkin feature files and step definitions in Java, JavaScript, or Ruby.

sickn33/agentic-awesome-skills

Generates production-grade JUnit 5 unit and integration tests in Java.

sickn33/agentic-awesome-skills

Generates TestNG tests in Java with groups, data providers, parallel execution, XML suite configuration, and listeners.

sickn33/agentic-awesome-skills

Deal with Jira tickets autonomously

oracle/graalpython

A skill your agent uses when converting Java source files to idiomatic Kotlin, when user mentions "java to kotlin", "j2k", "convert java", "migrate java to kotlin", or when working with .java files…

JetBrains/skills

Groups similar web pages together and produces an interactive HTML report with clusters of related pages, plus Excel spreadsheets for analysis.

platonai/Browser4

Expert guidance for developing with the tinystruct Java framework.

affaan-m/ECC

MyBatis and MyBatis-Spring patterns for mapper design, XML and annotation SQL, result mapping, dynamic SQL safety, transactions, batching, pagination, and query performance.

affaan-m/ECC

理解 LeoAI Java/PHP WebShell 与 Java 内存马生成链路，根据用户本次选择的通信、伪装、兼容性和混淆参数生成独立制品。用户要求生成、变体生成、调整兼容性或排查 Shell 无法连接时使用；始终通过 ShellGeneratorTools 完成确定性生成与结果交付。

cha0upup/LeoAI

Automatically transform requirement documents or natural language descriptions into complete full-stack projects (Java backend + Vue frontend) with MANDATORY interactive tech stack selection.

LeoYeAI/openclaw-master-skills

The authoritative skill lifecycle state model including container states, version states, review workflow states, visibility overlay, and governance actions.

iflytek/skillhub

Java coding standards for Spring Boot services: naming, immutability, Optional usage, streams, exceptions, generics, and project layout.

vibeeval/vibecosystem

Perform housekeeping tasks to manage the complexity of the code base.

axelixlabs/axelix

MUST use when writing Java scripts.

windmill-labs/windmill