Java, marked
Every repository here has at least 1,000 stars and was marked against the same scheme. Curated lists, books, and tutorials are marked separately and left out, since asking whether an agent can install a list of links means nothing.
The class as a whole
873
repositories marked
63
median mark out of a hundred
37%
have no test command an agent can find
35%
ship an AGENTS.md
Seeded from the 864 most-starred repositories on 25 August 2026 and re-marked since. Figures current to 10 October 2026.
| Repository | MD | Language | Added | Stars | Mark | ||
|---|---|---|---|---|---|---|---|
| 1 | SeleniumHQ/selenium A browser automation framework and ecosystem. | ✓ | Java | 25 Aug | 35k | 78 | A- |
| 2 | alibaba/nacos an easy-to-use dynamic service discovery, configuration and service management platform for building AI cloud native applications. | ✓ | Java | 25 Aug | 33k | 78 | A- |
| 3 | binarywang/WxJava 微信开发 Java SDK ，支持包括微信支付，开放平台，小程序，企业微信，视频号，公众号等的后端开发 | ✓ | Java | 25 Aug | 33k | 69 | B |
| 4 | halo-dev/halo Halo 是一款强大易用的开源建站工具，从个人博客、知识库，到企业官网、在线商城，Halo 都能助您轻松实现，一站式满足您的多样化建站需求。 | ✓ | Java | 25 Aug | 40k | 68 | B |
| 5 | apache/kafka Apache Kafka - A distributed event streaming platform | ✓ | Java | 25 Aug | 34k | 65 | B |
| 6 | doocs/leetcode 🔥LeetCode solutions in any programming language | 多种编程语言实现 LeetCode、《剑指 Offer（第 2 版）》、《程序员面试金典（第 6 版）》题解 | ✓ | Java | 25 Aug | 37k | 64 | B |
| 7 | spring-projects/spring-framework Spring Framework | ✓ | Java | 25 Aug | 60k | 63 | B |
| 8 | apache/dubbo The java implementation of Apache Dubbo. An RPC and microservice framework. | ✓ | Java | 25 Aug | 42k | 62 | B |
| 9 | alibaba/arthas Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas | ✓ | Java | 25 Aug | 38k | 61 | B- |
| 10 | keycloak/keycloak Open Source Identity and Access Management For Modern Applications and Services | ✓ | Java | 25 Aug | 37k | 60 | B- |
| 11 | iluwatar/java-design-patterns Design patterns implemented in Java | ✓ | Java | 25 Aug | 95k | 59 | B- |
| 12 | dbeaver/dbeaver Free universal database tool and SQL client | ✓ | Java | 25 Aug | 52k | 59 | B- |
| 13 | doocs/advanced-java 😮 Core Interview Questions & Answers For Experienced Java(Backend) Developers | 互联网 Java 工程师进阶知识完全扫盲：涵盖高并发、分布式、高可用、微服务、海量数据处理等领域知识 | · | Java | 25 Aug | 79k | 54 | C+ |
| 14 | elastic/elasticsearch Free and Open Source, Distributed, RESTful Search Engine | ✓ | Java | 25 Aug | 78k | 54 | C+ |
| 15 | TheAlgorithms/Java All Algorithms implemented in Java | · | Java | 25 Aug | 66k | 46 | C |
| 16 | skylot/jadx Dex to Java decompiler | · | Java | 25 Aug | 51k | 46 | C |
| 17 | netty/netty Netty project - an event-driven asynchronous network application framework | · | Java | 25 Aug | 35k | 46 | C |
| 18 | bumptech/glide An image loading and caching library for Android focused on smooth scrolling | · | Java | 25 Aug | 35k | 46 | C |
| 19 | xkcoding/spring-boot-demo 🚀一个用来深入学习并实战 Spring Boot 的项目。 | · | Java | 25 Aug | 34k | 45 | C |
| 20 | alibaba/easyexcel 快速、简洁、解决大文件内存溢出的java处理Excel工具 | · | Java | 25 Aug | 34k | 45 | C |
| 21 | airbnb/lottie-android Render After Effects animations natively on Android and iOS, Web, and React Native | · | Java | 25 Aug | 36k | 44 | C |
| 22 | TeamNewPipe/NewPipe A libre lightweight streaming front-end for Android. | · | Java | 25 Aug | 40k | 43 | C |
| 23 | Blankj/AndroidUtilCode :fire: Android developers should collect the following utils(updating). | · | Java | 25 Aug | 34k | 43 | C |
| 24 | spring-projects/spring-boot Spring Boot helps you to create Spring-powered, production-grade applications and services with absolute minimum fuss. | · | Java | 25 Aug | 82k | 42 | C |
| 25 | zxing/zxing ZXing ("Zebra Crossing") barcode scanning library for Java, Android | · | Java | 25 Aug | 34k | 42 | C |
| 26 | termux/termux-app Termux - a terminal emulator application for Android OS extendible by variety of packages. | · | Java | 25 Aug | 62k | 39 | D |
| 27 | ReactiveX/RxJava RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM. | · | Java | 25 Aug | 48k | 39 | D |
| 28 | krahets/hello-algo 《Hello 算法》：动画图解、一键运行的数据结构与算法教程。支持简中、繁中、English、日本語，提供 Python, Java, C++, C, C#, JS, Go, Swift, Rust, Ruby, Kotlin, TS, Dart 等代码实现 | · | Java | 25 Aug | 130k | 38 | D |
| 29 | lysine-dev/retrofit A type-safe HTTP client for Android and the JVM | · | Java | 25 Aug | 44k | 37 | D |
| 30 | MisterBooo/LeetCodeAnimation Demonstrate all the questions on LeetCode in the form of animation.（用动画的形式呈现解LeetCode题目的思路,完整单步/回看/变速/语音讲解在 algomooc.com） | · | Java | 25 Aug | 77k | 35 | D |
| 31 | YunaiV/ruoyi-vue-pro 🔥 官方推荐 🔥 RuoYi-Vue 全新 Pro 版本，优化重构所有功能。基于 Spring Boot + MyBatis Plus + Vue & Element 实现的后台管理系统 + 微信小程序，支持 RBAC 动态权限、数据权限、SaaS 多租户、Flowable 工作流、三方登录、支付、短信、商城、CRM、ERP、MES、IM、AI 大模型、IoT 物联网等功能。你的 ⭐️ Star ⭐️，是作者生发的动力！ | · | Java | 25 Aug | 40k | 35 | D |
| 32 | eugenp/tutorials Getting Started with Spring Boot 3: | · | Java | 25 Aug | 37k | 35 | D |
| 33 | NationalSecurityAgency/ghidra Ghidra is a software reverse engineering (SRE) framework | · | Java | 25 Aug | 82k | 34 | D |
| 34 | google/guava Google core libraries for Java | · | Java | 25 Aug | 52k | 33 | D |
| 35 | jeecgboot/JeecgBoot 【低代码v2.0，一句话即可生成整个系统】企业级AI低代码平台，一键生成前后端代码甚至整个系统。 AI Skills 一句话画流程、设计表单、生成报表、大屏。内置 AI应用平台涵盖：AI聊天、知识库、流程编排、MCP插件等，兼容主流大模型。引领AI低代码「Skills 生成 → 在线配置 → 代码生成 → 手工合并->AI修改」开发模式，解决 Java 项目 90% 重复工作，提高效率又不失灵活。 | · | Java | 25 Aug | 48k | 31 | D |
| 36 | macrozheng/mall mall项目是一套电商系统，包括前台商城系统及后台管理系统，基于Spring Boot+MyBatis实现，采用Docker容器化部署。 前台商城系统包含首页门户、商品推荐、商品搜索、商品展示、购物车、订单流程、会员中心、客户服务、帮助中心等模块。 后台管理系统包含商品管理、订单管理、会员管理、促销管理、运营管理、内容管理、统计报表、财务管理、权限管理、设置等模块。 | · | Java | 25 Aug | 85k | 29 | F |
| 37 | kdn251/interviews Everything you need to know to get the job. | · | Java | 25 Aug | 65k | 29 | F |
| 38 | geekxh/hello-algorithm 🌍 针对小白的算法训练 | 包括四部分：①.大厂面经 ②.力扣图解 ③.千本开源电子书 ④.百张技术思维导图（项目花了上百小时，希望可以点 star 支持，🌹感谢~）推荐免费ChatGPT使用网站 | · | Java | 25 Aug | 36k | 25 | F |
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