1,022 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.
wzx2002/java-backend-unified-spec-skill
Skill Claude CodeCodex
Unified standard for Java backend project design, implementation, refactoring, and code review. Use whenever an AI coding agent (Claude Code, Codex, Cursor, Aider, etc.) needs to build or modify a Java backend that should follow module-first organization, preferred top-level module naming infrastructure / persistence…
Plugin Claude Code
Bundles 2 skills · 294 tokens together
Skills for the MixinMCP IntelliJ MCP tools: full-classpath dependency search, type hierarchies, bytecode inspection, reference-aware refactors, and SpongePowered Mixin / MixinExtras writing guidance.
Plugin Claude Code
Bundles 1 skill · 102 tokens together
Claude Code skill for designing and implementing scheduling, planning, and resource-allocation systems with Timefold Solver (Java). Guides through a 6-step modeling methodology from business requirements to domain classes, constraints, and solver config.
ETHAN0430/java-class-analyzer-mcp
MCP server Claude CodeCodexCursor +2
MCP server "java-class-analyzer-mcp-server" as configured in ETHAN0430/java-class-analyzer-mcp. Runs locally from the @yifei/java-class-analyzer-mcp-server npm package.
Plugin Claude Code
Bundles 8 skills, 1 MCP server · 492 tokens together
Ship better Java with your coding agent.
Skill Claude CodeCodex
Enterprise-grade Spring Boot 3.5.x/4.x development guide. Use when building Spring Boot APIs, microservices, or enterprise Java applications. Covers Java Records as DTOs, Virtual Threads, ProblemDetail (RFC 7807), RestClient, structured logging, Testcontainers, observability, sealed exception hierarchies, and GraalVM…
Skill Claude Code
Simplifies, refines, and optimizes Java code for clarity, safety, and maintainability while preserving all functionality. Use whenever you've written or modified Java code, when the user asks to "simplify", "clean up", "optimize", "refactor", or "review" Java code, when implementing Java features, fixing Java bugs, or…
Plugin Claude Code
Bundles 1 skill, 1 MCP server · 221 tokens together
Java decompiler and JAR analyzer. Decompile classes, search bytecode, and read resources embedded in JAR, WAR, EAR, and AAR archives.
zander-zyx/java-development-skill
Skill Claude CodeCodex
Use when working on any Java or JVM project: plain Java, libraries, CLI tools, Maven/Gradle builds, Spring Boot, Jakarta EE, MyBatis/MyBatis-Plus, JPA/Hibernate, Lombok, Java tests, Java code review, API design, exception handling, security review, refactoring, dependencies, Java version upgrades, javax/jakarta…
Plugin Claude Code
Bundles 35 skills · 5,518 tokens together
Java Skills is a curated collection of Agent Skills for AI coding agents, part of the Full Stack Skills ecosystem maintained by PartMe.AI.
Plugin Claude Code
Bundles 3 skills, 1 MCP server · 384 tokens together
Skills and tools for building high-quality Vaadin 25 applications with Java/Flow — theming, visual design, and form layout. Includes the hosted Vaadin MCP server for current documentation and API lookup.
databricks-solutions/partner-ai-dev-kit
Skill Claude CodeCodex
PWAF-compliant Databricks JDBC Driver (databricks-jdbc v3+): PAT, OAuth M2M, OAuth U2M (custom OAuth app, token-env). Use when building or testing Java SQL warehouse integrations.
MCP server Claude CodeCodexCursor +2
Universal MCP server for analyzing Java classes from Maven dependencies with full JavaDoc support. Runs locally from the java-class-analyzer-mcp npm package.
MCP server Claude CodeCodexCursor +2
Gradle-accurate JVM classpath; fetch Java source, signatures, and class structure for agents. Runs locally from the jvmsrc npm package. Needs 6 environment variables to run.
Skill Claude CodeCodex
Use when reviewing or writing eGovFrame 4.x or 5.x Java code — Controller, Service, DAO, configuration, or library usage. Covers inheritance requirements, forbidden call patterns, and architecture constraints. Assumes Spring Framework knowledge.
Skill Claude Code
Check JaCoCo code coverage for jhelm modules.
ATOMGAMERAGA/Paper-ClaudePlugin
Plugin Claude Code
Bundles 1 skill · 151 tokens together
Minecraft Paper plugin development skill for Claude Code. Comprehensive reference for Java 21 plugin coding targeting Paper 1.21.x, covering API usage, event handling, commands, NMS/internals access, packet manipulation, performance optimization, and best practices.
MCP server Claude CodeCodexCursor +2
MCP server for Java Maven projects to provide jar class definitions to AI. Runs locally from the @biggerball/java-jar-mcp npm package.
MCP server Claude CodeCodexCursor +2
MCP server "java-refactor-mcp" as configured in egn88/refactor-mcp. Runs locally from the java-refactor-mcp npm package.
Plugin Claude Code
Bundles 32 skills, 16 commands, 10 agents, 7 hooks · 3,253 tokens together
Adaptive 5-layer workflow Claude Code plugin for Java Spring backend — 1% pre-flight discovery, triage routing, two-stage review, subagent dispatch, auto-evolution.
Skill Claude CodeCodex needs its repo
Expert knowledge for building Quarkus applications with Bazel using the rulesquarkus build system. Use when user asks about Quarkus+Bazel builds, augmentation, or troubleshooting.
Plugin Claude Code
Bundles 1 skill · 154 tokens together
Patches Claude Code's jdtls-lsp plugin to load Lombok's javaagent, eliminating false-positive Lombok diagnostics.
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.
Skill Claude CodeCodex
Use when you need to review, improve, or troubleshoot a Maven pom.xml file — including dependency management with BOMs, plugin configuration, version centralization, multi-module project structure, build profiles, or any situation where you want to align your Maven setup with industry best practices. Part of the…
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: