Java skills

937 tagged Java, measured the same way as everything else here.

Browse within: github-copilot 169spring-boot 156claude-code-skills 149cursor-ai 125skills 122agents 118microservices 84kotlin 83LLM 80angular 63jvm 63test-automation 58test-automation-framework 57automation-engine 49

binarywang/WxJava

Skill Codex

A decision guide for choosing the correct WxJava Maven module, dependency management file, and example for a WeChat use case. WxJava is a Java software development kit for services such as official accounts, mini programs, and payments.

not rated 33k +5 5d ago A SkillSpector: pass 86 tokens original Apache-2.0

zhihu-search

02

itwanger/toBeBetterJavaer

Skill Claude CodeCodex

A search skill for finding content on Zhihu, a Chinese question-and-answer and article platform, through its search API.

not rated 18k +25 yesterday A SkillSpector: pass 103 tokens

agentscope-java

03

agentscope-ai/agentscope-java

Skill Claude CodeCodex

Expert Java developer skill for AgentScope Java framework - a reactive, message-driven multi-agent system built on Project Reactor. Use when working with reactive programming, LLM integration, agent orchestration, multi-agent systems, or when the user mentions AgentScope, ReActAgent, Mono/Flux, Project Reactor, or…

not rated 6.1k +77 yesterday A 91 tokens original Apache-2.0

load-test-ops

04

camunda/camunda

Skill Claude CodeCodex

Trigger, monitor, update, profile, and stop Camunda load tests using gh CLI and kubectl directly — no MCP server required.

not rated 4.3k +13 changed 7d ago A SkillSpector: pass 31 tokens

oss-fuzz

05

apache/tika

Skill Claude CodeCodex needs its repo ✓ vendor

Run Tika's OSS-Fuzz Jazzer targets locally against a working-tree checkout — build the image, build fuzzers from local source, fuzz a target, run a corpus as a regression pass, reproduce a crash, and add seeds. Use for "fuzz the OneNote parser", "run OneNoteParserFuzzer against these files", "reproduce an OSS-Fuzz…

not rated 4.1k +5 today A SkillSpector: warn 90 tokens original Apache-2.0

llm-judge

06

Atmosphere/atmosphere

Skill Claude CodeCodex

AI quality judge that scores agent responses 0-10 across helpfulness, accuracy, completeness, and clarity. Use when evaluating multi-agent output or implementing LLM-as-judge quality gates.

not rated 3.8k +1 today A SkillSpector: pass 43 tokens original Apache-2.0

cu-sdk-sample-run

07

Azure/azure-sdk-for-java

Skill Claude CodeCodex needs its repo ✓ vendor

Run a specific sample for the Azure AI Content Understanding Java SDK. Use when users want to run a particular sample like Sample02AnalyzeUrl or Sample03AnalyzeInvoice.

not rated 2.6k today A SkillSpector: warn 41 tokens original MIT

github-worktree

08

TencentBlueKing/bk-ci

Skill Claude Code

A GitHub Issue worktree workflow for creating an isolated copy of a repository for a task. A worktree lets separate branches be checked out in separate folders, while an issue records the work to be done.

not rated 2.5k +1 yesterday A SkillSpector: pass 115 tokens

release-plugin

09

flutter/flutter-intellij

Skill Claude CodeCodex

Prepare and execute a new release for the flutter-intellij plugin, including updating dependencies, compatibility bounds, changelogs, and verification.

not rated 2.0k +1 yesterday A SkillSpector: pass 30 tokens original BSD-3-Clause

design-patterns

10

decebals/claude-code-java

Skill Claude CodeCodex

Common design patterns with Java examples (Factory, Builder, Strategy, Observer, Decorator, etc.). Use when user asks "implement pattern", "use factory", "strategy pattern", or when designing extensible components.

not rated 759 +6 1mo ago A SkillSpector: pass 47 tokens original MIT

skill-creator

11

ClawRunr/JavaClaw

Skill Claude CodeCodex

Create new skills, modify and improve existing skills for JavaClaw. Use when users want to create a skill from scratch, edit or improve an existing skill, or refine a skill's description so it triggers more reliably. Also use when a user asks to "turn this workflow into a skill", "save these instructions as a skill"…

not rated 753 +1 15d ago A SkillSpector: pass 80 tokens LGPL-3.0

Snailclimb/AIGuide

Skill Codex

A set of conventions for writing, reviewing, refactoring and explaining Java and Spring Boot code. It covers common application layers such as controllers, services and data-access code, while allowing repository-specific rules to take priority.

not rated 705 +20 3mo ago A 144 tokens

jabrena/plinth

Skill Claude CodeCodex

Use when you need to generate Java project diagrams — including UML sequence diagrams, UML class diagrams, C4 model diagrams, UML state machine diagrams, UML Deployment Diagrams, ER (Entity Relationship) diagrams, and bounded-context diagrams — through a modular, step-based interactive process that adapts to your…

not rated 455 +4 changed 25d ago A SkillSpector: pass 117 tokens original Apache-2.0

ai4j-app-builder

14

LnYo-Cly/ai4j

Skill Codex

Use this skill when helping users build applications with AI4J in their own Java or Spring Boot projects, including first chat, streaming, tool/function calls, MCP, RAG, memory, Agent runtime, Coding Agent CLI embedding, FlowGram integration, provider configuration, dependency selection, and troubleshooting. It guides…

not rated 436 +1 9d ago A SkillSpector: warn 120 tokens original Apache-2.0

local-agency

15

ShaftHQ/SHAFT_ENGINE

Skill Claude CodeCodex

Use when the adopter asks to delegate to local OSS agents (OpenCode) on a READY local runtime.

not rated 417 +3 changed 4d ago A 25 tokens original MIT

eddi-screens

16

labsai/EDDI

Skill Claude Code

How an EDDI Manager page is actually built — the app shell, the list-page pattern, detail pages, the config-editor chrome, wizards, and loading/empty/error states. Load before creating or restructuring a page.

not rated 387 +3 changed 22d ago A 50 tokens original Apache-2.0

dr-jskill

17

jdubois/dr-jskill

Skill Claude CodeCodex

Creates Java + Spring Boot projects: Web applications, full-stack apps with Vue.js or Angular or React or vanilla JS, PostgreSQL, REST APIs, and Docker. Use when creating Spring Boot projects, setting up Java microservices, or building enterprise applications with the Spring Framework.

not rated 344 changed 1mo ago A 59 tokens original Apache-2.0

brunoborges/fx2048

Skill Claude CodeCodex

Build, sign, notarize, staple, validate, and troubleshoot macOS DMG releases for Java and JavaFX applications packaged with jlink/jpackage. Use when creating Developer ID signed Java desktop apps, configuring GitHub Actions release workflows, handling Apple notarization, or debugging Gatekeeper, hardened runtime, JVM…

not rated 294 15d ago A 88 tokens GPL-3.0

kmp-lsp

19

Hessesian/kmp-lsp

Skill Claude CodeCodex

Kotlin/Java/Swift LSP server for code navigation in Android and iOS codebases. Use when navigating Kotlin, Java, or Swift source files: finding class definitions, listing symbols, jumping to implementations, finding all usages, checking type signatures, or switching workspace between projects. Triggers for: "find this…

not rated 201 +1 changed 1mo ago A SkillSpector: pass 114 tokens original MIT

opensolon/soloncode

Skill Claude CodeCodex

A tool that packages a visual theme for SolonCode Web UI as an installable ZIP file. SolonCode is a web-based coding interface, and a skin changes its colors, backgrounds, and overall appearance.

not rated 197 3d ago A SkillSpector: pass 78 tokens original MIT

dev-cycle

21

xberg-io/crawlberg

Skill Claude CodeCodex needs its repo

Crawlberg iteration loops codified as Taskfile tasks — alef install/generate/format/bump, core and binding builds, e2e generate/build/test cycles, cleanup tiers, and the mock-server / stale-.so / precompiled-NIF / generated-e2e gotchas. Load when running or debugging crawlberg build, alef regeneration, or e2e…

not rated 188 +3 changed 7d ago A SkillSpector: pass 86 tokens original MIT

explyt/spring-plugin

Skill Claude CodeCodex

Classifies a user request as Bug, Compatibility, Feature, Question, or Task for the explyt/spring-plugin GitHub repo, lightly researches the relevant codebase, searches similar existing issues, and either reports an existing issue or creates a correctly titled, typed, and labeled one following the repository issue…

not rated 165 +1 changed yesterday A SkillSpector: pass 100 tokens original Apache-2.0

rsid-sdk

23

realsenseai/RealSenseID

Skill Claude CodeCodex

RealSenseID face authentication SDK reference. Use when writing code for face enrollment, authentication, host-mode faceprint extraction/matching, device configuration, user management, device discovery, camera preview, logging, or serial connection. Covers C++ (RealSenseID namespace), Python (rsidpy), and C# (rsid).

not rated 122 +1 15d ago A 70 tokens original Apache-2.0

loiane/specs-driven-development-spring-angular

Skill Claude Code

Spring Framework 7 / Spring Boot 4 idioms and defaults. Use when writing or reviewing controllers, services, configuration, HTTP clients, async/virtual-thread code, or anything touching Spring's programming model.

not rated 62 10d ago A 50 tokens original MIT

At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: