1,158 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.
Skill Claude CodeCodex
A testing and quality-checking toolkit for running an application, finding bugs, and creating automated tests. It supports API tests and browser-based UI tests in Python or Java.
Skill Claude CodeCodex
A command-line tool for managing database migrations, which are controlled changes that update a database's structure over time.
Agent Claude Code
MUST BE USED PROACTIVELY. Universal read-only explorer agent. Combines jrag graph navigation (call chains, service boundaries, routes, impact analysis, FQN resolution) with broad file-system search (grep, glob, excerpt reading). Use for any exploration task: locating code, tracing dependencies, finding patterns…
Skill Claude CodeCodex
A reference guide for LiteFlow, a Java framework for building business rules and process flows. It covers components, rules, data passed between steps, configuration sources, testing, monitoring, and AI-agent orchestration.
Plugin Claude Code
Bundles 28 skills, 10 agents, 2 hooks · 4,234 tokens together
Java + Spring Boot TDD workflow plugin with requirements input drafting, RGB cycle, feature-level autonomous implementation, Cucumber acceptance testing, local tidying, system-wide refactoring, and 18 optional refactoring skills. Plan phase and Web App acceptance/skeleton setup now delegate to dedicated agents instead.
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.
jamesward/hello-spring-mcp-server
MCP server Claude CodeCodexCursor +2
MCP server "javadocs", hosted remotely at www.javadocs.dev, as configured in jamesward/hello-spring-mcp-server.
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.
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.
Skill Claude Code
Two thresholds apply — consider and enforce.
Skill Claude CodeCodex
General-purpose coding-agent workflow for Java enterprise backend projects. Use when implementing features, fixing bugs, refactoring, reviewing code/PRs, adding fields/APIs/database schema changes, changing REST/RPC endpoints, repository/mapper persistence, MQ/CDC consumers, transaction boundaries, JUnit/Mockito/Spock…
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…
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.
MCP server Claude CodeCodexCursor +2
Ship better Java with your coding agent. Remote server at api.jaipilot.com.
Skill Claude Code
This skill should be used when the user asks how to "use VibeTags", "add VibeTags annotations", "set up AI guardrails", "protect code from AI", "configure AI platforms", asks about @AILocked, @AIContext, @AIDraft, @AIAudit, @AIIgnore, @AIPrivacy, @AICore, @AIPerformance, @AIContract, @AITestDriven, @AIThreadSafe…
Skill Claude CodeCodex
Write Java microbenchmarks with JMH (Java Microbenchmark Harness) that produce trustworthy numbers — not numbers distorted by JIT dead-code elimination, constant folding, insufficient warmup, or single-fork JIT contamination. Use this skill whenever the user writes @Benchmark, mentions JMH, microbenchmark, throughput…
Plugin Claude Code
Bundles 43 skills · 5,884 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.
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…
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.
MCP server Claude CodeCodexCursor +2
MCP server "ariadne" as configured in AvivAvital2/Ariadne. Runs locally from the . Python package.
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.
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: