The best java mods

1,250 mods in the catalogue carry this category. These 27 are the ones that pass every gate. Every gate: original work, not a copy · security scan A or B · a licence that permits reading the source · an actively maintained repository people actually use. Order is the composite score — reputation, freshness, safety, originality, content and traction — not anyone's opinion.

#ModTypeStarsScanTokensRating
1 oss-fuzzapache/tikaRun Tika's OSS-Fuzz Jazzer targets locally against a working-tree checkout — build the image, build fuzzers from local source, fuzz a target, run a corpus as a regression pass, reproduce a crash, and add seeds. Use for "fuzz the OneNote parser", "run OneNoteParserFuzzer against these files", "reproduce an OSS-Fuzz… Skill 4.0k A 90
2 wxjava-api-contributorbinarywang/WxJavaA contributor guide for adding or maintaining official WeChat API support in WxJava, a Java software development kit. It covers services, request and response data objects, data conversion, HTTP handling, starter configuration, and regression tests. Skill 33k A 68
3 cu-sdk-sample-runAzure/azure-sdk-for-javaRun a specific sample for the Azure AI Content Understanding Java SDK. Use when users want to run a particular sample like Sample02AnalyzeUrl or Sample03AnalyzeInvoice. Skill 2.6k A 41
4 llm-judgeAtmosphere/atmosphereAI quality judge that scores agent responses 0-10 across helpfulness, accuracy, completeness, and clarity. Use when evaluating multi-agent output or implementing LLM-as-judge quality gates. Skill 3.8k A 43
5 release-pluginflutter/flutter-intellijPrepare and execute a new release for the flutter-intellij plugin, including updating dependencies, compatibility bounds, changelogs, and verification. Skill 2.0k A 30
6 continuous_profiling_jvmgetsentry/sentry-javaJVM Continuous Profiling (sentry-async-profiler). Cursor rule 1.3k A 13
7 ghidra-mcpbethington/ghidra-mcpMCP server "ghidra-mcp" as configured in bethington/ghidra-mcp. Runs locally from the c:/Users/benam/source/mcp/ghidra-mcp Python package. Needs 3 environment variables to run. MCP server 3.7k A
8 design-patternsdecebals/claude-code-javaCommon 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. Skill 727 A 47
9 plinth-tech-leadjabrena/plinthTech lead for Java Enterprise Development. Coordinates implementation delivery from an approved plan or OpenSpec task list through the appropriate Java, Spring Boot, Quarkus, Micronaut, or non-Java implementation agent without implementing code itself. Agent 436 A 52
10 dr-jskilljdubois/dr-jskillCreates Java + Spring Boot projects: Web applications, full-stack apps with Vue.js or Angular or React or vanilla JS, PostgreSQL, REST APIs, and Docker. Use when creating Spring Boot projects, setting up Java microservices, or building enterprise applications with the Spring Framework. Skill 327 A 59
11 soloncode-skin-skillopensolon/soloncodeA tool that packages a visual theme for SolonCode Web UI as an installable ZIP file. SolonCode is a web-based coding interface, and a skin changes its colors, backgrounds, and overall appearance. Skill 191 A 78
12 plugin-code-review-orchestratedexplyt/spring-pluginOrchestrates 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. Skill 160 A 72
13 dev-cyclexberg-io/crawlbergCrawlberg 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 168 A 89
14 android-sdksanjeed5/awesome-cursor-rules-mdcThis guide provides definitive best practices for Android SDK development in Java, focusing on modern architecture, Jetpack libraries, performance, security, and testing. Cursor rule 3.6k A 3,791
15 project-contextlabsai/EDDIEDDI Backend — AI Agent Instructions. Complete project context, architecture, and coding guidelines. Cursor rule 372 A 45
16 java-reviewermturac/everything-openai-codexExpert Java code reviewer for Spring Boot and Quarkus projects. Automatically detects the framework and applies the appropriate review rules. Covers layered architecture, JPA/Panache, MongoDB, security, and concurrency. MUST BE USED for all Java code changes. Agent 89 A 55
17 spring-security-6xuansenpa1/skillreviseMigrate Spring Security 5 to Spring Security 6 configuration. Use when removing WebSecurityConfigurerAdapter, replacing @EnableGlobalMethodSecurity with @EnableMethodSecurity, converting antMatchers to requestMatchers, or updating to lambda DSL configuration style. Covers SecurityFilterChain beans and authentication… Skill 55 A 63
18 developer-kit-javagiuseppe-trisciuoglio/developer-kitComprehensive Java development toolkit with Spring Boot, testing, LangChain4J, and AWS integration. Plugin 340 A
19 java-devsivaprasadreddy/sivalabs-agent-skillsA collection of agents, skills, hooks, commands, and rules for AI Agentic development workflow. Plugin 178 A
20 appsec-workflowseqra/opentaintFind application-specific vulnerabilities with whole-program static taint analysis and write rules and dependency models for future scans. Plugin 154 A
21 cellarVirtusLab/cellarLook up the public API of any JVM dependency (Scala 3, Scala 2, Java) from the terminal. Plugin 88 A
22 mcp-zap-serverdtkmn/mcp-zap-serverMCP 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. MCP server 65 A
23 springboot-architecturea-pavithraa/springboot-skills-marketplaceSkills for creating Spring Boot projects with architecture patterns (Layered to DDD+Hexagonal). Plugin 75 A
24 jdb-agentic-debugger marketplacebrunoborges/jdb-agentic-debuggerJava debugging tools for AI agents using JDB (Java Debugger CLI). Plugin 66 A
25 quarkus-agentquarkusio/quarkus-agent-mcpMCP 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. Plugin 52 A
26 spring-boot-4-conventionsloiane/specs-driven-development-spring-angularSpring 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. Skill 58 A 50
27 claude-ai-spring-bootpiomin/claude-ai-spring-bootComplete Spring Boot development template with agents, skills, and best practices for enterprise Java applications. Includes JPA patterns, code quality checks, and Spring Boot 3.x support. Plugin 1.3k A

Want everything, not just what passes the gates? Browse the full category from any type hub, or search it. This shelf recomputes nightly from the measurements.