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.
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…
Skill Claude CodeCodex
Orchestrates a code review of the spring-plugin repository through scope/context passes, routing, domain reviewer subskills, and per-artifact validation. Use when asked to review a PR, diff, commit, branch, module, or file set, to run a full orchestrated review, or to produce a validated review report.
Plugin Claude Code
Bundles 16 skills · 529 tokens together
Find application-specific vulnerabilities with whole-program static taint analysis and write rules and dependency models for future scans.
Plugin Claude Code
Bundles 14 skills, 6 agents, 2 hooks · 1,237 tokens together
Development workflow skills, commands, and hooks from claude-toolbox.
Plugin Claude Code
Bundles 16 skills · 1,578 tokens together
Best skills for Spring Boot development powered by Amplicode Team.
Agent Claude Code
An independent code-review and testing role for Java projects. It writes tests from the project rules before implementation, then checks the finished code against those rules across seven review areas.
Plugin Claude Code
Bundles 1 skill · 115 tokens together
Look up the public API of any JVM dependency (Scala 3, Scala 2, Java) from the terminal.
a-pavithraa/springboot-skills-marketplace
Plugin Claude Code
Bundles 4 skills · 317 tokens together
Skills for creating Spring Boot projects with architecture patterns (Layered to DDD+Hexagonal).
MCP server Claude CodeCodexCursor +2
MCP server for Java class and jar file decompilation using CFR. Runs locally from the java-decompile-mcp Python package.
brunoborges/jdb-agentic-debugger
Plugin Claude Code
Java debugging tools for AI agents using JDB (Java Debugger CLI).
MCP server Claude CodeCodexCursor +2
MCP server "mcp-zap-server" as configured in dtkmn/mcp-zap-server. Runs in Docker (ghcr.io/dtkmn/mcp-zap-server:v0.8.0). Needs 8 environment variables to run.
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.
Plugin Claude Code
MCP server for AI coding agents to create, manage, and interact with Quarkus applications. Provides tools for project scaffolding, dev mode lifecycle, extension skills, Dev MCP proxy, and documentation search.
Skill Claude Code needs its repo
Architecture and coding rules for single-page applications using web components, BCE layering, lit-html templating, unidirectional Redux-style state management (reduction.js, standards-based), and standards-based client-side routing (Navigation API + URLPattern). Web standards and web platform first, minimal external…
sivaprasadreddy/sivalabs-marketplace
Plugin Claude Code
Bundles 5 skills, 1 MCP server · 79 tokens together
Plugin for Spring Boot application development.
pluginagentmarketplace/custom-plugin-java
Plugin Claude Code
Agent settings configuring marketplaceid, displayname, category, tags, visibility, featured and 7 more.
MCP server Claude CodeCodexCursor +2
63 semantic Java analysis tools via Eclipse JDT: navigation, refactoring, code intelligence. Runs locally from the javalens-mcp npm package. Needs 3 environment variables to run.
Sxuan-Coder/alibaba-java-development-guide
Skill Claude CodeCodex
A routed reference guide for Alibaba's Java coding standards. It covers code style, exceptions and logs, unit tests, security, MySQL, project structure, and design rules.
Plugin Claude Code
Bundles 2 skills · 184 tokens together
Skills for developing and maintaining Quarkus applications.
Skill Claude CodeCodex
Read fictional Elvish star patterns for gentle guidance and omens.
Plugin Claude Code
Bundles 2 skills, 1 hook, 1 MCP server · 127 tokens together
Java JDWP debugger via MCP — set breakpoints, inspect runtime state, evaluate expressions, mutate variables, catch exceptions at throw site, trace execution with logpoints.
Ashfaqbs/software-dev-ai-claude-toolkit
Skill Claude CodeCodex
Spring Boot architecture patterns, REST API design, layered services, data access, caching, async processing, and logging. Use for Java Spring Boot backend work.
Skill Claude Code
Migrate a Jakarta Faces project from one version to another (e.g. JSF 2.3 to Faces 4.1).
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.
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: