Java for Claude Code

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.

Also for Claude Code: anthropic · Git and workflow · Web3 and blockchain · React · Python · TypeScript · docker · Go · Localization · Rust · nextjs · bun

Sorravit/BEACON

Skill Claude CodeCodex

Act as a Senior/Lead Java Backend Engineer. Use when user asks to write, review, or architect Java code, Spring Boot 3 services, JPA/Hibernate, Maven/Gradle, microservices, REST/gRPC APIs, security, observability, or event-driven systems.

not rated 2 1mo ago A 64 tokens

gabia/agent-skills

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.

not rated 2 1mo ago A 41 tokens original MIT

nimbly-dev/mcp-java-dev-tools

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.

not rated 2 2d ago A 36 tokens

Cratis/AI

Skill Claude CodeCodex

Talk to a Chronicle server from a Kotlin or Java application with the io.cratis:chronicle client - connection strings, ChronicleClient and the Spring Boot starter, @EventType classes, suspending append, reactors and reducers dispatched by first-parameter type, model-bound read models, classpath artifact discovery, and…

not rated 2 today A 121 tokens original MIT

java-lsp

107

zircote/java-lsp

Plugin Claude Code

Bundles 1 command · 8 tokens together

Claude Code plugin for Java development with Eclipse JDT LS integration, 12 automated hooks for Maven/Gradle builds, linting (SpotBugs, Checkstyle), formatting, and testing (JUnit).

not rated 1 27d ago A tokens not measured original MIT

apply-effective-java

108

showmethecold/effective-java-skill

Skill Claude Code

Apply Effective Java and modern Java practices when writing, reviewing, refactoring, debugging, optimizing, or hardening Java code. Use automatically for nontrivial Java code tasks, including API design, pull requests, concurrency, resource management, exceptions, serialization, tests, security, and idiomatic style.

not rated 1 3mo ago A 64 tokens

jdwp-mcp

109

dronsv/jdwp-mcp

MCP server Claude CodeCodexCursor +2

Debug live JVMs through JDWP — from any MCP-compatible agent. Runs locally from the jdwp-mcp Python package.

not rated 1 4mo ago A tokens not measured fork MIT

mcp-jvm-diagnostics

110

Dmitriusan/mcp-jvm-diagnostics

MCP server Claude CodeCodexCursor +2

MCP server for JVM diagnostics — analyze thread dumps, detect deadlocks, parse GC logs, and get JVM tuning recommendations. Runs locally from the mcp-jvm-diagnostics npm package.

not rated 1 26d ago A tokens not measured original MIT

gradle-groovy

111

almasumdev/awesome-java-android-agent-skills

Skill Claude CodeCodex

Expert guidance on writing and maintaining Android Gradle build files in Groovy DSL for a Java project — product flavors, signing configs, build types, and dependency management. Use this when configuring build.gradle for new modules or flavors.

not rated 1 4mo ago A 51 tokens

kora-v2

112

kora-projects/kora-skills

Plugin Claude Code

Bundles 1 skill · 330 tokens together

Kora Framework development skill for building production-grade Java/Kotlin services — with compile-time DI, HTTP, Database, Kafka, gRPC, SOAP, OpenAPI, Telemetry, AOP. Zero reflection, zero proxies, synchronous contracts on virtual threads, AI agent friendly. For Kora version 2.x.

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

maven-central

113

pipeworx-io/mcp-maven-central

MCP server Claude CodeCodexCursor +2

Maven Central MCP — Java/JVM artifact registry. Remote server at gateway.pipeworx.io.

not rated 0 11d ago A tokens not measured copy · 89% MIT

mvn-mcp-server

114

danielscholl/mvn-mcp-server

MCP server Claude CodeCodexCursor +2

A MCP server for Maven dependency version checking. Runs locally from the mvn-mcp-server Python package.

not rated 0 8mo ago A tokens not measured original MIT

jons-mcp-java

115

jonmmease/jons-mcp-java

MCP server Claude CodeCodexCursor +2

MCP server providing Java development capabilities through Eclipse JDT.LS. Runs locally from the jons-mcp-java Python package.

not rated 0 3mo ago A tokens not measured original MIT

maven-artifacts-mcp

116

skhatri/maven-artifacts-mcp

MCP server Claude CodeCodexCursor +2

MCP Server for resolving Maven2 module versions with caching and logging. Runs locally from the maven-artifacts-mcp npm package.

not rated 0 1y ago A tokens not measured

spring-api-intel-mcp

117

mparth14/spring-api-intel-mcp

MCP server Claude CodeCodexCursor +2

MCP server for Spring Boot codebase intelligence. Runs locally from the spring-api-intel-mcp Python package.

not rated 0 5mo ago A tokens not measured

jar-inspector-mcp

118

pgatzka/jar-inspector-mcp

MCP server Claude CodeCodexCursor +2

MCP server "jar-inspector-mcp" as configured in pgatzka/jar-inspector-mcp. Runs locally from the jar-inspector-mcp Python package.

not rated 0 19d ago A tokens not measured original MIT

arthas-mcp

119

x0c/arthas-mcp

MCP server Claude CodeCodexCursor +2

MCP server "arthas-mcp" as configured in x0c/arthas-mcp. Runs locally from the arthas-mcp npm package.

not rated 0 3d ago A tokens not measured original MIT

jdtls-mcp

120

Kicey/jdtls-mcp

MCP server Claude CodeCodexCursor +2

MCP server "jdtls-mcp" as configured in Kicey/jdtls-mcp. Runs locally from the jdtls-mcp npm package.

not rated 0 2mo ago A tokens not measured

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: