java skills

849 tagged java, measured the same way as everything else here.

Browse within: spring-boot 106kotlin 85angular 67jvm 62python 54code-quality 52claude-code-skills 46blueking 42continuous-integrations 42golang 42microservices-architecture 42bce-design 40microservices 40plugin 38

update-dependencies

145

basteez/java-skills

Skill Claude CodeCodex

Check all dependencies in a Java project for newer stable versions and known CVEs, then update build files automatically.

4 4mo ago A 26 tokens

easy-query-orm

146

wzszsw/easy-query-orm

Skill Claude CodeCodex

Use when Java/Kotlin code uses easy-query (often abbreviated as eq; EasyEntityQuery, EasyQueryClient, proxy DSL) or when migrating JPA/MyBatis to easy-query. Covers setup and missing Proxy troubleshooting, Spring Boot starter/config, CRUD and mutation APIs (insertable/updatable/deletable, onConflictThen…

4 11d ago A 184 tokens

libgdx-2d-rendering

147

kyu-n/gdx-claude-skills

Skill Claude CodeCodex

Use when writing libGDX Java/Kotlin code involving 2D rendering — SpriteBatch, ShapeRenderer, Texture, TextureRegion, TextureAtlas, Camera, Viewport, draw ordering, blending, or screen clearing. Use when debugging rendering artifacts, missing sprites, stretched graphics, or begin/end errors.

4 6mo ago A 70 tokens original MIT

libgdx-asset-manager

148

kyu-n/gdx-claude-skills

Skill Claude CodeCodex

Use when writing libGDX Java/Kotlin code involving AssetManager — loading assets (Texture, TextureAtlas, Sound, Music, BitmapFont, Skin, Model, TiledMap, ParticleEffect, ShaderProgram, I18NBundle), async loading screens, reference counting, screen transitions, custom loaders, or FreeType font loading via AssetManager.…

4 6mo ago A 100 tokens original MIT

kyu-n/gdx-claude-skills

Skill Claude CodeCodex

Use when writing libGDX Java/Kotlin code involving text rendering (BitmapFont, GlyphLayout, BitmapFontCache), NinePatch scalable graphics, DistanceFieldFont, or color markup language. Use when debugging wrong text position, blurry scaled fonts, text measurement, or NinePatch stretching issues.

4 6mo ago A 66 tokens original MIT

coding-standards

150

alexmond/jhelm

Skill Claude CodeCodex

Two thresholds apply — consider and enforce.

4 8d ago A 21 tokens original Apache-2.0

jacoco

151

alexmond/jhelm

Skill Claude CodeCodex

Check JaCoCo code coverage for jhelm modules.

4 8d ago A 13 tokens original Apache-2.0

tdd-guide

152

alexmond/jhelm

Skill Claude CodeCodex

Test-driven development guide for writing JUnit 5 tests, analyzing coverage gaps, and guiding red-green-refactor workflows. Use when the user asks to write tests, improve test coverage, practice TDD, generate test stubs, or mentions JUnit/testing.

4 8d ago A 56 tokens original Apache-2.0

music-composition

153

deer/music.build

Skill Claude CodeCodex

Use when composing music with the music-server MCP tools. Covers note syntax, tool workflow, and composition patterns.

4 2mo ago A 26 tokens

bjoern-gradle-config

154

Mehtrick/bjoern

Skill Claude CodeCodex

Use when configuring the Bjoern Gradle plugin in build.gradle files. Covers all configuration parameters, task setup, and common patterns for code and documentation generation.

4 10d ago A 39 tokens original MIT

bjoern-zgr

155

Mehtrick/bjoern

Skill Claude CodeCodex

Use when writing, reviewing, or refactoring .zgr specification files for the Bjoern BDD test generator. Covers syntax, parameter usage for statement reuse, and conventions that reduce the number of methods to implement.

4 10d ago A 50 tokens original MIT

skill-creator

156

taipt1504/agent-skills

Skill Claude CodeCodex

Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, edit, or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.

3 3mo ago A 64 tokens

architecture

157

taipt1504/agent-skills

Skill Claude CodeCodex

Hexagonal architecture, DDD, CQRS, and event sourcing for Java Spring applications. Use when designing package structure, creating Aggregate Roots or Value Objects, implementing ports and adapters, setting up CQRS command/query separation, wiring domain events, writing ArchUnit tests, or creating solution architecture…

3 3mo ago A 64 tokens

summer-data

158

taipt1504/agent-skills

Skill Claude CodeCodex

Summer Framework data layer — AuditService (builder, annotation, convenience methods), OutboxService (transactional outbox with scheduler or Debezium CDC, retry + backoff, circuit breaker, KafkaOutboxPublisher), kafka-consumer LSN-watermark idempotency (0.3.1+), R2DBC converters, table validators, and DDL scripts for…

3 3mo ago A 85 tokens

adr

159

addit-digital/addit-harness

Skill Claude CodeCodex

Use when the user makes or records a significant architectural or technical decision — choosing a framework, database, protocol, pattern, or trade-off ("we decided to use X instead of Y because..."), or explicitly asks to write an ADR. Captures the decision as a structured MADR-format Architecture Decision Record in…

3 9d ago A 67 tokens original MIT

design-conventions

160

addit-digital/addit-harness

Skill Claude CodeCodex

Scan the current TS/React project's existing UI layer and write .claude/design-conventions.md — a project-specific visual design convention file that rules/typescript.md loads before UI work. Use when starting UI work in an existing project, when design conventions have drifted, or when --refresh is passed to merge in…

3 9d ago A 70 tokens original MIT

dev-flow

161

addit-digital/addit-harness

Skill Claude CodeCodex

Use to drive a software feature or fix through the full engineering loop — investigate, design (with an architect-reviewer gate), get your explicit approval on the plan, then implement, verify with qa-engineer, and drive the code-review fix loop to a clean state. Deterministic multi-agent orchestration for the…

3 9d ago A 120 tokens original MIT

talayash/spring-fleet

Skill Claude CodeCodex

Use when debugging a runtime failure in a locally-running fleet of Spring Boot microservices - correlates logs across services by a trace key, reconstructs the cross-service timeline, isolates the failing hop, and maps it back to source.

2 2mo ago A 52 tokens original MIT

talayash/spring-fleet

Skill Claude CodeCodex

Use when a fleet service ships its own Spring AI MCP server - explains how to discover those servers from the spring-fleet config and federate them alongside the spring-fleet MCP tools so the agent has one unified tool surface across the fleet.

2 2mo ago A 56 tokens original MIT

talayash/spring-fleet

Skill Claude CodeCodex

Use when fleet logs are console-only or scattered and cross-service correlation needs a stable location - installs a logback convention so every service writes / .log with OTel traceid / spanid and legacy sessionId / requestId in the pattern.

2 2mo ago A 61 tokens original MIT

spring-boot-dev

165

arconia-io/agent-skills

Skill Claude CodeCodex

Build, test, and run Spring Boot applications using Arconia CLI. Use when working on a Java or Spring Boot project and you need to compile the application, run tests, start the app in development mode, build a GraalVM native executable, or run the application locally with dev services. Also use when the user asks to…

2 28d ago A 91 tokens original Apache-2.0

arconia-io/agent-skills

Skill Claude CodeCodex

Build container images for Spring Boot applications using Arconia CLI. Use when the user wants to containerize their application, build a Docker/OCI image, create a container image using Cloud Native Buildpacks or a Dockerfile/Containerfile, push an image to a registry, or build multi-architecture container images.…

2 28d ago A 90 tokens original Apache-2.0

spring-boot-rewrite

167

arconia-io/agent-skills

Skill Claude CodeCodex

Discover and run OpenRewrite recipes for automated code migration and refactoring using Arconia CLI. Use when the user wants to run a specific OpenRewrite recipe, discover available migration or refactoring recipes, apply automated code transformations, clean up code (remove unused imports, update Java version), or…

2 28d ago A 95 tokens original Apache-2.0

jbang-mcp-server

168

glaforge/java-stdio-mcp-server

Skill Claude CodeCodex

Scaffolds and installs zero boilerplate Java-based MCP STDIO servers using JBang and LangChain4j for Gemini CLI. Use this to quickly bootstrap an MCP server from scratch.

2 6mo ago B 43 tokens