Java

1,429 mods in this category, of every kind an agent can take. Each one carries what it costs per session, what the scan found, and whether it is the original.

coding-standards

97

alexmond/jhelm

Skill Claude Code

Two thresholds apply — consider and enforce.

not rated 7 3d ago A 21 tokens original Apache-2.0

kyle641320/Scout4j

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…

not rated 6 4mo ago A 95 tokens original MIT

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…

not rated 6 5mo ago A 118 tokens

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.

not rated 6 8mo ago A tokens not measured original Apache-2.0

jaipilot

101

JAIPilot/jaipilot

MCP server Claude CodeCodexCursor +2

Ship better Java with your coding agent. Remote server at api.jaipilot.com.

not rated 6 8d ago A tokens not measured original MIT

vibetags-usage

102

PIsberg/skill3

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…

not rated 6 2d ago A 262 tokens copy · 95% Apache-2.0

jmh

103

umit/skills

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…

not rated 6 5mo ago A 273 tokens original MIT

java-skills

104

full-stack-skills/java-skills

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.

not rated 6 changed 1mo ago A tokens not measured original Apache-2.0

cosbort/agent-skills

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…

not rated 5 2mo ago A 104 tokens original MIT

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.

not rated 5 5mo ago A 57 tokens

Aorls/java-class-analyzer-mcp

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.

not rated 5 12mo ago A tokens not measured original MIT

jvmsrc

108

Sintexer/jvm-source-lens

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.

not rated 4 2d ago A tokens not measured original MIT

gpt-pro

109

scasella/codex-gpt-pro

Skill Codex

Operate ChatGPT Pro through Browser Use/Playwright or Computer Use. Use when the user asks Codex to ask GPT Pro, prompt GPT Pro, use ChatGPT Pro, send a prompt to ChatGPT Pro/GPT Pro, or wait for a GPT Pro result. Checks whether Browser Use/Playwright and/or Computer Use are available, asks for a first-run default…

not rated 4 5mo ago A 130 tokens original MIT

composite/korean-skills

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.

not rated 4 14d ago A 55 tokens original MIT

ariadne

111

AvivAvital2/Ariadne

MCP server Claude CodeCodexCursor +2

MCP server "ariadne" as configured in AvivAvital2/Ariadne. Runs locally from the . Python package.

not rated 4 5d ago A tokens not measured original Apache-2.0

paper-plugin-dev

113

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.

not rated 4 6mo ago A tokens not measured original MIT

browse-java-javadocs

114

loong95/javadoc-mcp

Skill Codex

Inspect external Java and JVM library APIs through the javadoc-cli shell command using Maven coordinates. Use when Codex needs authoritative JavaDoc instead of guessing, especially for tasks like finding the right package or class, checking method overloads, reading parameter or return documentation, confirming…

not rated 4 4mo ago A 101 tokens original Apache-2.0

java-jar-mcp

115

biggerball/java-jar-mcp

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.

not rated 4 6mo ago A tokens not measured original MIT

java-refactor-mcp

116

egn88/refactor-mcp

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.

not rated 4 7mo ago A tokens not measured

addit-harness

118

addit-digital/addit-harness

Plugin Claude Code

Bundles 8 skills, 15 agents, 9 hooks · 2,049 tokens together

Turns Claude Code into a full product-development toolkit: an opinionated plan → verify → commit engineering workflow, specialized subagents for legal compliance, UX design, backend/frontend/cloud architecture, Go/Java/TypeScript implementation, DevOps/infrastructure (Terraform, Kubernetes, Docker, AWS/Azure/GCP), and.

not rated 3 changed 21d ago A tokens not measured original MIT

rules-quarkus

119

kinhluan/rules-quarkus-skills

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.

not rated 3 4mo ago A 42 tokens original MIT

jdtls-lombok-fix

120

SkillPanel/claude-plugins

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.

not rated 3 6mo ago A tokens not measured original MIT

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