869 mods tagged Java that install into Codex, 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
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…
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 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
MCP server "java-refactor-mcp" as configured in egn88/refactor-mcp. Runs locally from the java-refactor-mcp npm package.
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 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…
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.
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…
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
Star Wars API (SWAPI) as a remote MCP server: films, people, planets, species, starships, vehicles. Remote server at swapi.build.
MCP server Claude CodeCodexCursor +2
MCP server "arthas-mcp" as configured in x0c/arthas-mcp. Runs locally from the arthas-mcp npm package.
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.
Skill Claude CodeCodex
Build container images for Spring Boot applications using Arconia CLI. Use when the user wants to containerize their application, build a Docker/OCI image, create a container image using Cloud Native Buildpacks or a Dockerfile/Containerfile, push an image to a registry, or build multi-architecture container images.…
SachieWang/java-jdtls-mcp-server
Skill Claude CodeCodex
Navigate Java projects, find definitions, and implementation details.
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…
Skill Claude CodeCodex
Use when writing, reviewing, or refactoring Java code to enforce baseline conventions for imports, nullability, immutability, exceptions, resource handling, naming, and concurrency.
Skill Claude CodeCodex
Discover bounded Java method drill candidates or run a Probe-guided diagnostic drill for one selected method and return an evidence-backed Markdown report.
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: