Java for Claude Code

1,016 mods tagged Java that install into Claude Code, measured the same four ways as everything else here: what each costs in tokens on every session, what a security scan found and why, whether it is the original, and what changed.

Also for Claude Code: anthropic · Git and workflow · Web3 and blockchain · React · Python · TypeScript · docker · Localization · Go · Rust · nextjs · bun

zhihu-search

01

itwanger/toBeBetterJavaer

Skill Claude CodeCodex needs its repo

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

not rated 18k +14 today A 103 tokens

agentscope-java

02

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 5.5k +56 today A 91 tokens

load-test-ops

03

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 +6 changed 2d ago A 31 tokens

oss-fuzz

04

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 4.0k +8 today A 90 tokens original Apache-2.0

llm-judge

05

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 +5 today A 43 tokens original Apache-2.0

ghidra-mcp

06

bethington/ghidra-mcp

MCP server Claude CodeCodexCursor +2

MCP server "ghidra-mcp" as configured in bethington/ghidra-mcp. Runs locally from the c:/Users/benam/source/mcp/ghidra-mcp Python package. Needs 3 environment variables to run.

not rated 3.7k +63 3d ago A tokens not measured original Apache-2.0

megalinter

07

oxsecurity/megalinter

Plugin Claude Code

Bundles 25 skills, 14 agents · 2,208 tokens together

Set up, run and fix MegaLinter on any repository: 100+ linters for 69+ languages, 23+ formats and 21+ tooling formats, from CI or locally.

not rated 2.6k +1 changed yesterday A tokens not measured AGPL-3.0

cu-sdk-sample-run

08

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 +1 today A 41 tokens original MIT

github-worktree

09

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 yesterday A 115 tokens

release-plugin

10

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 3d ago A 30 tokens original BSD-3-Clause

piomin/claude-ai-spring-boot

Plugin Claude Code

Bundles 5 skills, 6 agents · 432 tokens together

Complete Spring Boot development template with agents, skills, and best practices for enterprise Java applications. Includes JPA patterns, code quality checks, and Spring Boot 3.x support.

not rated 1.3k 4mo ago A tokens not measured original Apache-2.0

spring-tools

12

spring-projects/spring-tools

Plugin Claude Code ✓ vendor

Bundles 3 skills, 1 command · 175 tokens together

Spring Tools Language Server — real-time diagnostics, completions, and code navigation for Spring Boot projects. Operates standalone without requiring JDT Language Server. On first run, downloads the language server JAR (checksum-verified) from cdn.spring.io and launches it as a local Java process; requires Java 21+…

not rated 981 yesterday A tokens not measured EPL-1.0

skill-creator

13

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 748 +1 today A 80 tokens LGPL-3.0

design-patterns

14

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 730 +2 today A 47 tokens original MIT

fixture-monkey

15

naver/fixture-monkey

Plugin Claude Code

Bundles 1 skill · 42 tokens together

Write Java and Kotlin test fixtures that pin only what the scenario depends on and leave the rest random.

not rated 697 today A tokens not measured copy · 89% Apache-2.0

JavaExpert

16

val1813/kwcode

Skill Claude CodeCodex

A coding skill for Java, a programming language, with guidance on code style, exception handling, Spring Boot conventions, and design patterns.

not rated 689 +2 3mo ago A 2 tokens

plinth-tech-lead

17

jabrena/plinth

Agent Claude CodeCursor

Tech lead for Java Enterprise Development. Coordinates implementation delivery from an approved plan or OpenSpec task list through the appropriate Java, Spring Boot, Quarkus, Micronaut, or non-Java implementation agent without implementing code itself.

not rated 436 +1 2d ago A 52 tokens original Apache-2.0

omniroute

18

ShaftHQ/SHAFT_ENGINE

Skill Claude CodeCodex

Use when an orchestrated workflow may dispatch bounded implementation through an optional local OmniRoute process.

not rated 408 +1 today A 22 tokens original MIT

dr-jskill

20

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 327 changed 3d 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 12d ago A 88 tokens GPL-3.0

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 191 +1 yesterday A 78 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: