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.

java-import-fqn

49

henryxm/autumn

Cursor rule Cursor

A Java code rule that requires using imports and short class names when class names do not conflict. Fully qualified names remain allowed for documented exceptions such as naming conflicts and certain strings.

not rated 49 today A 443 tokens original Apache-2.0

jabrena/cursor-rules-spring-boot

Cursor rule Cursor

Spring Boot Core guidelines focus on proper usage of main annotations, bean management, and configuration best practices to build maintainable and efficient Spring Boot applications.

not rated 46 7mo ago A 0 tokens original Apache-2.0 archived

javalens

53

pzalutski-pixel/javalens-mcp

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.

not rated 44 +1 4d ago A tokens not measured original MIT

my-daily-skills

54

Yulin-Bi/CodeAuto

Plugin Claude Code

Bundles 3 skills · 159 tokens together

my-daily-skills. CodeAuto is an intelligent programming assistant developed using Java, drawing inspiration from Claude Code and Minicode.

not rated 43 23d ago A tokens not measured original MIT

jdwp-debugging

56

FgForrest/mcp-jdwp-java

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.

not rated 32 +3 3mo ago A tokens not measured copy · 86% MIT

elvish-stargazing

57

kpavlov/tachyon

Skill Claude CodeCodex

Read fictional Elvish star patterns for gentle guidance and omens.

not rated 30 1mo ago A SkillSpector: pass 20 tokens original Apache-2.0

faces-migrate

58

omnifaces/claude-faces-expert

Skill Claude Code

Migrate a Jakarta Faces project from one version to another (e.g. JSF 2.3 to Faces 4.1).

not rated 28 +1 changed 11d ago A 32 tokens

springboot-patterns

59

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.

not rated 27 1mo ago A 36 tokens original MIT

design-patterns

60

hzy970907/fish-claude-code

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.

not rated 25 8mo ago A 47 tokens

vibetags-guardrails

61

PIsberg/vibetags

Skill Claude CodeCodex

AI guardrails and coding rules generated by VibeTags from @AILocked, @AIContext, and related annotations. Load this skill when writing, reviewing, or modifying code in this project.

not rated 25 changed 26d ago A SkillSpector: warn 46 tokens original MIT

JetBrains/junie-extensions

Skill Claude CodeCodex ✓ vendor

Use when building, modifying, or reviewing Spring Boot 4.x applications (Spring Framework 7, Spring Security 7, Hibernate 7, Jackson 3) in Java or Kotlin — REST controllers, Spring Data JPA repositories, OAuth2 / JWT, WebFlux reactive endpoints, Kafka / event-driven code, Resilience4j, Spring Cloud, or Spring Boot…

not rated 23 3mo ago A 152 tokens

ph-deep-interview

63

jyt6640/persona-harness

Skill Claude CodeCodex

(PH) Resolve material product uncertainty with evidence-based, answer-dependent questions; skip facts and decisions already established.

not rated 23 changed 12d ago A SkillSpector: pass 28 tokens original Apache-2.0

code-quality

64

rootbr/rooted

Plugin Claude Code

Bundles 2 skills, 3 agents · 725 tokens together

Software-craft build-and-review from corpora of sourced rule cards — universal, Python and Java — a deterministic pre-pass, a finder per triggered card, a skeptic per finding, a developer agent that designs and builds by the cards.

not rated 21 changed 4d ago A tokens not measured original Apache-2.0

maven-code-search

66

salitaba/maven-decoder-mcp

Skill Codex

Use the Maven Decoder MCP server to inspect code, APIs, methods, dependencies, versions, and usage examples from Maven artifacts, both those installed in the user's local /.m2 repository and those published on Maven Central. Use when working on Java, Maven, Gradle, Spring, Jakarta, Android, or JVM projects and the…

not rated 20 changed 1mo ago A 109 tokens original MIT

javadc

67

idachev/mcp-javadc

MCP server Claude CodeCodexCursor +2

One of 3 in .mcp.json

Model Context Protocol (MCP) server for Java decompilation. Runs locally from the @idachev/mcp-javadc npm package.

not rated 20 1y ago A tokens not measured original ISC

project-init

68

linshidream/skill-hub

Skill Claude CodeCodex

Initialize a project scaffold into an empty directory (or add a new child module to an existing Java project). Two engineering families: Java (java-web / java-mcp → maven + Docker image) and frontend (web-pc = vite+React+antd PC web / taro-mobile = Taro3.6+NutUI3.0 multi-end H5+WeChat miniprogram → pnpm exact-version…

not rated 20 changed 1mo ago A SkillSpector: pass 0 tokens original MIT

thymeleaf-skill

69

Sevii/agent-marketplace

Plugin Claude Code

Bundles 1 command · 50 tokens together

A comprehensive Thymeleaf 3.1 reference skill for Claude Code, providing template syntax, expression language, iteration, conditionals, layout composition, and inlining guidance.

not rated 18 8mo ago A tokens not measured original MIT

lltx/skills

Skill Claude Code

Simplifies, refines, and optimizes Java code for clarity, safety, and maintainability while preserving all functionality. Use whenever you've written or modified Java code, when the user asks to "simplify", "clean up", "optimize", "refactor", or "review" Java code, when implementing Java features, fixing Java bugs, or…

not rated 16 14d ago A 108 tokens

code-review-gate

71

wangheng19901021/skills

Skill Claude CodeCodex

Use when generating or reviewing Java backend code (Service/Controller/Mapper) that touches a database, Redis, MQ, RPC, SMS/email, or file writes. Applies a 5-gate checklist (requirements review, concurrency safety, transaction boundaries, null-safety, security) distilled from real production incidents, so…

not rated 15 2d ago A 76 tokens

stacktale

72

stacktale/stacktale

Plugin Claude Code

Bundles 1 skill, 1 MCP server · 68 tokens together

Read your Java app's AI-ready error reports, and run a fix-run-check loop until the app is clean.

not rated 14 changed 1mo ago A tokens not measured original Apache-2.0

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